{"title":"Zinc Trailer U-Bolts for EZ Loader","description":"\u003ch2\u003eZinc Trailer U-Bolts for EZ Loader Trailers\u003c\/h2\u003e\n\n\u003cp\u003e\nU-bolts are used to secure the axle to the trailer frame and are a critical structural component in the suspension system. Proper fit, strength, and torque are essential to maintain safe towing and correct axle alignment.\n\u003c\/p\u003e\n\n\u003cp\u003e\nZinc-coated U-bolts are commonly used as standard OEM hardware on EZ Loader trailers. The zinc coating provides corrosion protection while maintaining the strength required for structural applications.\n\u003c\/p\u003e\n\n\u003cp\u003e\nThese U-bolts are typically used to clamp the axle to leaf springs and mounting plates, making them one of the most important fasteners in the trailer suspension system.\n\u003c\/p\u003e\n\n\u003cp\u003e\nWhile stainless steel U-bolts may be used in certain marine applications, zinc-coated U-bolts remain the standard for many setups due to their strength and compatibility with trailer design.\n\u003c\/p\u003e\n\n\u003cp\u003e\nChoosing the correct U-bolt depends on axle diameter, frame configuration, and load requirements. Using the proper size and torque ensures safe and secure mounting.\n\u003c\/p\u003e\n\n\u003cp\u003e\nAt EZLoaderParts411.com, we help match U-bolts based on real-world trailer setups—not guesswork. If you're unsure what fits your trailer, call us first and we’ll help you get it right.\n\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eRelated suspension and hardware components:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/stainless-steel-trailer-u-bolts\"\u003eStainless Steel U-Bolts\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/trailer-leaf-springs\"\u003eLeaf Springs\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/axles\"\u003eTrailer Axles\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/trailer-washers\"\u003eWashers\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","products":[{"product_id":"ez-loader-u-bolt-zinc-plated-290-002473","title":"U-Bolt 1\/2\"-13 x 3\" x 1-1\/4\" Zinc Plated 290-002473","description":"\u003ch2\u003eU-Bolt 1\/2\"-13 x 3\" x 1-1\/4\" Zinc Plated 290-002473\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eEZ Loader Trailer U-Bolt\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eU-Bolt 1\/2\"-13 x 3\" x 1-1\/4\" Zinc Plated 290-002473\u003c\/strong\u003e is a replacement trailer hardware fastener used on compatible EZ Loader boat trailers. This U-bolt measures \u003cstrong\u003e1\/2\"-13 thread x 3\" inside width x 1-1\/4\" length\u003c\/strong\u003e and matches the EZ Loader manufacturer description for part number \u003cstrong\u003e290-002473\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThis is a short zinc-plated U-bolt used where a compact U-shaped clamp fastener is required. U-bolts are commonly used around trailer brackets, frame-mounted hardware, bunk supports, roller supports, guide hardware, and other trailer attachment points depending on the trailer model and setup.\u003c\/p\u003e\n\u003cp\u003eCorrect measurement matters because U-bolts are not universal. The thread size, inside width, leg length, bend shape, and mounting location all need to match the trailer application before ordering.\u003c\/p\u003e\n\u003cp\u003eThe zinc-plated finish helps reduce corrosion in marine trailer use. Zinc plating acts as a sacrificial coating, meaning the zinc helps corrode before the underlying steel. This makes zinc-plated U-bolts a practical factory-style hardware choice for boat trailers exposed to road spray, freshwater, saltwater, humidity, and ramp use.\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 15px; margin: 20px 0;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\" style=\"text-align: left; padding: 12px 14px; background: #12344d; color: #ffffff; font-size: 18px; border: 1px solid #d9e2e8;\"\u003eProduct Details\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 32%; padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003ePart Number:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e290-002473\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eManufacturer Description:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eU-BOLT 1\/2-13 x 3 x 1-1\/4\" ZP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003ePart Type:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eTrailer U-bolt \/ U-bolt hardware\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eThread Size:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e1\/2\"-13 coarse thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eInside Width:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e3\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eLength:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e1-1\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eFinish:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eZinc plated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eMaterial:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eZinc-plated steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eColor:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eZinc \/ silver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eFits:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eCompatible EZ Loader trailer applications requiring a 1\/2\"-13 x 3\" x 1-1\/4\" zinc-plated U-bolt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eApplication Type:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eBoat trailer hardware, bracket hardware, bunk hardware, roller hardware, guide hardware, and frame-mounted fastening applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eFunction:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eHelps clamp or secure compatible trailer components where a 3\" inside-width U-bolt with 1-1\/4\" leg length is required.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eImportant Fitment Note:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eConfirm the thread size, inside width, leg length, shape, and trailer application before ordering. This short U-bolt should not be matched by appearance alone.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eU-Bolt 1\/2\"-13 x 3\" x 1-1\/4\" Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eReplacement zinc-plated U-bolt for compatible EZ Loader trailer hardware\u003c\/li\u003e\n\u003cli\u003e1\/2\"-13 coarse-thread design\u003c\/li\u003e\n\u003cli\u003e3\" inside width\u003c\/li\u003e\n\u003cli\u003e1-1\/4\" short leg length\u003c\/li\u003e\n\u003cli\u003eFactory-style zinc-plated finish\u003c\/li\u003e\n\u003cli\u003eUseful for replacing rusted, bent, worn, or missing U-bolts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTypical EZ Loader Trailer Applications\u003c\/h3\u003e\n\u003cp\u003eThis U-bolt may be used on compatible EZ Loader trailer hardware where a \u003cstrong\u003e1\/2\"-13 x 3\" x 1-1\/4\"\u003c\/strong\u003e zinc-plated U-bolt is required. Common use areas may include bracket hardware, bunk hardware, roller supports, guide hardware, frame-mounted hardware, and other trailer fastening points depending on the trailer model.\u003c\/p\u003e\n\u003cp\u003eBecause EZ Loader trailers use multiple U-bolt sizes and shapes, always compare the old U-bolt, bracket location, thread size, inside width, leg length, and bend shape before ordering.\u003c\/p\u003e\n\u003ch3\u003eWhy EZ Loader Uses Zinc-Plated U-Bolts\u003c\/h3\u003e\n\u003cp\u003eEZ Loader uses zinc-plated hardware in many trailer applications because it provides a practical balance of strength, corrosion resistance, serviceability, and cost. The zinc coating helps protect the steel fastener and slows corrosion in wet, humid, freshwater, and saltwater trailer environments.\u003c\/p\u003e\n\u003cp\u003eZinc plating acts as a sacrificial layer. In simple terms, the zinc coating is designed to corrode before the steel underneath. This helps reduce rust on the bolt and limits corrosion around the hardware contact point when the trailer is exposed to water, salt, and road spray.\u003c\/p\u003e\n\u003ch3\u003eImportant Difference: Short U-Bolt Fitment\u003c\/h3\u003e\n\u003cp\u003eThis part is a short \u003cstrong\u003e1\/2\"-13 x 3\" x 1-1\/4\" U-bolt\u003c\/strong\u003e. The 1-1\/4\" leg length is much shorter than many other EZ Loader U-bolts, so it should be matched carefully.\u003c\/p\u003e\n\u003cp\u003eA U-bolt that is too short may not allow proper nut engagement. A U-bolt that is too long may interfere with nearby trailer parts. A U-bolt with the wrong width may not sit correctly around the bracket, frame, or mounting surface.\u003c\/p\u003e\n\u003ch3\u003eAssociated \/ Compatible Parts\u003c\/h3\u003e\n\u003cp\u003eThese parts may be commonly used with compatible EZ Loader U-bolt hardware. Confirm your specific application before ordering.\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 15px; margin: 20px 0;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"padding: 12px 14px; background: #12344d; color: #ffffff; border: 1px solid #d9e2e8;\"\u003ePart Description\u003c\/th\u003e\n\u003cth style=\"padding: 12px 14px; background: #12344d; color: #ffffff; border: 1px solid #d9e2e8;\"\u003ePart Number\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e\u003ca href=\"\/products\/ez-loader-hex-locknut-zinc-plated-290-002598\"\u003eHex Locknut 1\/2\"-13 Zinc Plated Grade 5\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e290-002598\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e\u003ca href=\"\/collections\/zinc-trailer-u-bolts-for-ez-loader\"\u003eZinc Trailer U-Bolts for EZ Loader\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eCollection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eInstallation Considerations\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eConfirm the old U-bolt dimensions before ordering.\u003c\/li\u003e\n\u003cli\u003eMeasure the thread size, inside width, and overall leg length.\u003c\/li\u003e\n\u003cli\u003eInspect the bracket, frame, mounting plate, and mating hardware before reassembly.\u003c\/li\u003e\n\u003cli\u003eUse compatible 1\/2\"-13 nuts and washers if required by the application.\u003c\/li\u003e\n\u003cli\u003eReplace bent, rusted, stretched, cracked, or damaged U-bolts before towing.\u003c\/li\u003e\n\u003cli\u003eDo not reuse U-bolts that show heavy corrosion, thread damage, or deformation.\u003c\/li\u003e\n\u003cli\u003eTighten hardware to the proper specification for the trailer application.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eU-Bolt Fitment Guidance\u003c\/h3\u003e\n\u003cp\u003eThis is not a universal trailer U-bolt.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConfirm the thread size is 1\/2\"-13.\u003c\/li\u003e\n\u003cli\u003eConfirm the inside width is 3\".\u003c\/li\u003e\n\u003cli\u003eConfirm the length is 1-1\/4\".\u003c\/li\u003e\n\u003cli\u003eConfirm the bend shape and mounting location match the trailer application.\u003c\/li\u003e\n\u003cli\u003eCompare the old U-bolt and mounting location before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReal-World Insight\u003c\/h3\u003e\n\u003cp\u003eShort U-bolts often serve very specific trailer hardware locations. If the U-bolt is too wide, too narrow, too short, or has damaged threads, it may not clamp correctly. When replacing brackets, supports, bunks, rollers, guides, or frame-mounted parts, matching the correct U-bolt dimensions helps keep the assembly secure.\u003c\/p\u003e\n\u003ch3\u003eQuestions or Need Help Matching Parts?\u003c\/h3\u003e\n\u003cp\u003eWe’re based in \u003cstrong\u003eHardeeville, South Carolina\u003c\/strong\u003e, serving customers nationwide.\u003c\/p\u003e\n\u003cp\u003e📞 Call us — we answer the phone and help you get it right.\u003cbr\u003e📧 Send photos if needed — often the fastest way to confirm U-bolt size, shape, bracket location, and trailer hardware fitment.\u003c\/p\u003e\n\u003cp\u003eWe focus on \u003cstrong\u003ematching parts correctly the first time\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cdiv style=\"border: 1px solid #d9e2e8; background: #f6f9fb; padding: 16px 18px; margin: 24px 0; border-radius: 6px;\"\u003e\n\u003ch3 style=\"margin-top: 0;\"\u003eIndependent EZ Loader Parts Dealer Notice\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eEZLoaderParts411.com\u003c\/strong\u003e and \u003cstrong\u003eEZLoaderTrailers411.com\u003c\/strong\u003e are distributor and dealer-resource websites for EZ Loader boat trailers and EZ Loader OEM replacement parts. These websites are operated by the \u003cstrong\u003e411Marine team\u003c\/strong\u003e, an independent brick-and-mortar trailer dealer specializing in EZ Loader trailers, OEM replacement parts, and fitment support.\u003c\/p\u003e\n\u003cp\u003eOur reputation and long history with EZ Loader products may be what brought you here. We appreciate that trust, but we want the relationship to be clear: we are a dealer resource, not the manufacturer.\u003c\/p\u003e\n\u003cp\u003eWe support our previous trailer customers and welcome new customers who need help identifying the correct EZ Loader parts. At our Hardeeville, South Carolina store, we keep new model trailers on site and use real trailers, real measurements, photos, and hands-on comparison whenever possible to help verify parts before customers order.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eWhat to Have Ready When You Call\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eTrailer year, make, and model\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eVIN, if available\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOld U-bolt thread size\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eInside width measurement\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOverall leg length measurement\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHardware location on the trailer\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003ePhotos of the old U-bolt, bracket, frame, or mounting location\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"EZ Loader","offers":[{"title":"Default Title","offer_id":52897102168429,"sku":"290-002473","price":2.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/3761\/6493\/files\/EZLoader290-002473U-BoltZincPlated.5-13tpix31-8x1.25inStraight.jpg?v=1778621635"},{"product_id":"ez-loader-u-bolt-3-4-x-2-zinc-plated-290-021938","title":"U-Bolt 3\/8\" x 3\/4\" x 2\" Zinc Plated — 290-021938","description":"\u003ch2\u003eU-Bolt 3\/8\" x 3\/4\" x 2\" Zinc Plated — 290-021938\u003c\/h2\u003e\n\u003cp\u003eThis zinc-plated U-bolt is commonly used on EZ Loader boat trailers for roller arm and trailer hardware applications. It provides a simple, secure fastening point where a small U-bolt is required for trailer component mounting or replacement.\u003c\/p\u003e\n\u003cp\u003ePart number \u003cstrong\u003e290-021938\u003c\/strong\u003e is a genuine EZ Loader trailer hardware item and is sold individually.\u003c\/p\u003e\n\u003ch3\u003eProduct Details\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin: 12px 0;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; font-weight: bold; background: #f5f5f5;\"\u003ePart Number\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e290-021938\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; font-weight: bold; background: #f5f5f5;\"\u003ePart Type\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eTrailer U-Bolt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; font-weight: bold; background: #f5f5f5;\"\u003eSize\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e3\/8\" x 3\/4\" x 2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; font-weight: bold; background: #f5f5f5;\"\u003eMaterial \/ Finish\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eZinc plated steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; font-weight: bold; background: #f5f5f5;\"\u003eCommon Use\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eRoller arms and trailer hardware mounting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; font-weight: bold; background: #f5f5f5;\"\u003eTrailer Brand\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eEZ Loader\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; font-weight: bold; background: #f5f5f5;\"\u003eSold As\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eEach\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eFitment Note\u003c\/h3\u003e\n\u003cp\u003eU-bolts should be matched by diameter, inside width, length, and the trailer component being secured. If you are replacing old roller arm hardware, compare the original U-bolt measurements before ordering.\u003c\/p\u003e\n\u003cp\u003eNeed help confirming fitment? Call EZLoaderParts411.com before ordering and have your trailer VIN, part number, or photos of the roller arm assembly ready.\u003c\/p\u003e","brand":"EZ Loader","offers":[{"title":"Default Title","offer_id":52897102659949,"sku":"290-021938","price":2.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/3761\/6493\/files\/EZLoader290-021938U-BoltZinc3-8inx3-4inx2inStraight.jpg?v=1778615673"},{"product_id":"ez-loader-u-bolt-zinc-plated-290-020634","title":"U-Bolt 1\/2\"-13 x 2\" x 7-1\/2\" Zinc Plated 290-020634","description":"\u003ch2\u003eU-Bolt 1\/2\"-13 x 2\" x 7-1\/2\" Zinc Plated 290-020634\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eEZ Loader Trailer U-Bolt\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eU-Bolt 1\/2\"-13 x 2\" x 7-1\/2\" Zinc Plated 290-020634\u003c\/strong\u003e is a replacement trailer hardware fastener used on compatible EZ Loader boat trailers. This U-bolt measures \u003cstrong\u003e1\/2\"-13 thread x 2\" inside width x 7-1\/2\" length\u003c\/strong\u003e and is designed for trailer hardware locations where a longer U-shaped clamp fastener is required.\u003c\/p\u003e\n\u003cp\u003eU-bolts are commonly used to secure trailer components around frames, brackets, bunk supports, roller supports, guide hardware, suspension-related hardware, and other trailer attachment points depending on the trailer model and setup. Correct measurement matters because U-bolts are not universal. The diameter, thread pitch, inside width, leg length, and bend shape all need to match the trailer application.\u003c\/p\u003e\n\u003cp\u003eThe zinc-plated finish helps reduce corrosion in marine trailer use. Zinc plating acts as a sacrificial coating, meaning the zinc helps corrode before the underlying steel. This makes zinc-plated U-bolts a practical factory-style hardware choice for boat trailers exposed to road spray, freshwater, saltwater, humidity, and ramp use.\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 15px; margin: 20px 0;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\" style=\"text-align: left; padding: 12px 14px; background: #12344d; color: #ffffff; font-size: 18px; border: 1px solid #d9e2e8;\"\u003eProduct Details\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 32%; padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003ePart Number:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e290-020634\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003ePart Type:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eTrailer U-bolt \/ U-bolt hardware\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eThread Size:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e1\/2\"-13 coarse thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eInside Width:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eLength:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e7-1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eMaterial \/ Finish:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eZinc-plated steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eColor:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eZinc \/ silver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eFits:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eCompatible EZ Loader trailer applications requiring a 1\/2\"-13 x 2\" x 7-1\/2\" zinc-plated U-bolt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eApplication Type:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eBoat trailer hardware, bracket hardware, bunk hardware, roller hardware, guide hardware, suspension-related hardware, and frame-mounted fastening applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eFunction:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eHelps clamp or secure compatible trailer components where a 2\" inside-width U-bolt with 7-1\/2\" leg length is required.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eWhy Buyers Like This Part:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eFactory-style EZ Loader hardware, zinc-plated finish, common 1\/2\"-13 thread, 2\" inside width, longer 7-1\/2\" length, useful for replacing rusted, bent, missing, or damaged U-bolts.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eImportant Fitment Note:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eConfirm thread size, inside width, leg length, and trailer application before ordering. U-bolts are dimension-specific and should not be guessed by appearance alone.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eU-Bolt 1\/2\"-13 x 2\" x 7-1\/2\" Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eReplacement zinc-plated U-bolt for compatible EZ Loader trailer hardware\u003c\/li\u003e\n\u003cli\u003e1\/2\"-13 coarse-thread design\u003c\/li\u003e\n\u003cli\u003e2\" inside width\u003c\/li\u003e\n\u003cli\u003e7-1\/2\" length\u003c\/li\u003e\n\u003cli\u003eUseful for trailer bracket, bunk, roller, guide, frame, or suspension-related hardware service\u003c\/li\u003e\n\u003cli\u003eHelps replace rusted, bent, worn, or missing U-bolts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTypical EZ Loader Trailer Applications\u003c\/h3\u003e\n\u003cp\u003eThis U-bolt may be used on compatible EZ Loader trailer hardware where a \u003cstrong\u003e1\/2\"-13 x 2\" x 7-1\/2\"\u003c\/strong\u003e zinc-plated U-bolt is required. Common use areas may include bracket hardware, bunk hardware, roller supports, guide hardware, frame-mounted hardware, and suspension-related fastening points depending on the trailer model.\u003c\/p\u003e\n\u003cp\u003eBecause EZ Loader trailers use multiple U-bolt sizes, always compare the old U-bolt, bracket location, thread size, inside width, and leg length before ordering.\u003c\/p\u003e\n\u003ch3\u003eWhy EZ Loader Uses Zinc-Plated U-Bolts\u003c\/h3\u003e\n\u003cp\u003eEZ Loader uses zinc-plated hardware in many trailer applications because it provides a practical balance of strength, corrosion resistance, serviceability, and cost. The zinc coating helps protect the steel fastener and slows corrosion in wet, humid, freshwater, and saltwater trailer environments.\u003c\/p\u003e\n\u003cp\u003eZinc plating acts as a sacrificial layer. In simple terms, the zinc coating is designed to corrode before the steel underneath. This helps reduce rust on the bolt and limits corrosion around the hardware contact point when the trailer is exposed to water, salt, and road spray.\u003c\/p\u003e\n\u003cp\u003eFor best results, replace U-bolts that are heavily rusted, bent, stretched, rounded, or damaged during trailer service.\u003c\/p\u003e\n\u003ch3\u003eImportant Difference: U-Bolt Width and Length Matter\u003c\/h3\u003e\n\u003cp\u003eThis part is a \u003cstrong\u003e1\/2\"-13 x 2\" x 7-1\/2\" U-bolt\u003c\/strong\u003e. The inside width and leg length must match the trailer hardware location.\u003c\/p\u003e\n\u003cp\u003eA U-bolt that is too narrow may not fit around the frame, bracket, or part being clamped. A U-bolt that is too wide may not hold the component correctly. A U-bolt that is too short may not allow proper nut engagement, while one that is too long may interfere with nearby trailer parts.\u003c\/p\u003e\n\u003ch3\u003eAssociated \/ Compatible Parts\u003c\/h3\u003e\n\u003cp\u003eThese parts may be commonly used with compatible EZ Loader U-bolt hardware. Confirm your specific application before ordering.\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 15px; margin: 20px 0;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"padding: 12px 14px; background: #12344d; color: #ffffff; border: 1px solid #d9e2e8;\"\u003ePart Description\u003c\/th\u003e\n\u003cth style=\"padding: 12px 14px; background: #12344d; color: #ffffff; border: 1px solid #d9e2e8;\"\u003ePart Number\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e\u003ca href=\"\/products\/ez-loader-hex-locknut-zinc-plated-290-002598\"\u003eHex Locknut 1\/2\"-13 Zinc Plated Grade 5\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e290-002598\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e\u003ca href=\"\/collections\/zinc-trailer-u-bolts-for-ez-loader\"\u003eZinc Trailer U-Bolts for EZ Loader\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eCollection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eInstallation Considerations\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eConfirm the old U-bolt dimensions before ordering.\u003c\/li\u003e\n\u003cli\u003eMeasure the thread size, inside width, and overall leg length.\u003c\/li\u003e\n\u003cli\u003eInspect the bracket, frame, mounting plate, and mating hardware before reassembly.\u003c\/li\u003e\n\u003cli\u003eUse compatible 1\/2\"-13 nuts and washers if required by the application.\u003c\/li\u003e\n\u003cli\u003eReplace bent, rusted, stretched, cracked, or damaged U-bolts before towing.\u003c\/li\u003e\n\u003cli\u003eDo not reuse U-bolts that show heavy corrosion, thread damage, or deformation.\u003c\/li\u003e\n\u003cli\u003eTighten hardware to the proper specification for the trailer application.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eU-Bolt Fitment Guidance\u003c\/h3\u003e\n\u003cp\u003eThis is not a universal trailer U-bolt.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConfirm the thread size is 1\/2\"-13.\u003c\/li\u003e\n\u003cli\u003eConfirm the inside width is 2\".\u003c\/li\u003e\n\u003cli\u003eConfirm the length is 7-1\/2\".\u003c\/li\u003e\n\u003cli\u003eConfirm the shape and bend radius match the trailer application.\u003c\/li\u003e\n\u003cli\u003eCompare the old U-bolt and mounting location before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReal-World Insight\u003c\/h3\u003e\n\u003cp\u003eU-bolts often look simple, but they carry clamping load in important trailer hardware locations. If the U-bolt is stretched, bent, heavily rusted, or has damaged threads, it may not clamp correctly. When replacing trailer brackets, bunks, rollers, guides, suspension hardware, or frame-mounted parts, matching the correct U-bolt dimensions helps keep the assembly secure.\u003c\/p\u003e\n\u003ch3\u003eQuestions or Need Help Matching Parts?\u003c\/h3\u003e\n\u003cp\u003eWe’re based in \u003cstrong\u003eHardeeville, South Carolina\u003c\/strong\u003e, serving customers nationwide.\u003c\/p\u003e\n\u003cp\u003e📞 Call us — we answer the phone and help you get it right.\u003cbr\u003e📧 Send photos if needed — often the fastest way to confirm U-bolt size, bracket location, and trailer hardware fitment.\u003c\/p\u003e\n\u003cp\u003eWe focus on \u003cstrong\u003ematching parts correctly the first time\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cdiv style=\"border: 1px solid #d9e2e8; background: #f6f9fb; padding: 16px 18px; margin: 24px 0; border-radius: 6px;\"\u003e\n\u003ch3 style=\"margin-top: 0;\"\u003eIndependent EZ Loader Parts Dealer Notice\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eEZLoaderParts411.com\u003c\/strong\u003e and \u003cstrong\u003eEZLoaderTrailers411.com\u003c\/strong\u003e are distributor and dealer-resource websites for EZ Loader boat trailers and EZ Loader OEM replacement parts. These websites are operated by the \u003cstrong\u003e411Marine team\u003c\/strong\u003e, an independent brick-and-mortar trailer dealer specializing in EZ Loader trailers, OEM replacement parts, and fitment support.\u003c\/p\u003e\n\u003cp\u003eOur reputation and long history with EZ Loader products may be what brought you here. We appreciate that trust, but we want the relationship to be clear: we are a dealer resource, not the manufacturer.\u003c\/p\u003e\n\u003cp\u003eWe support our previous trailer customers and welcome new customers who need help identifying the correct EZ Loader parts. At our Hardeeville, South Carolina store, we keep new model trailers on site and use real trailers, real measurements, photos, and hands-on comparison whenever possible to help verify parts before customers order.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eWhat to Have Ready When You Call\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eTrailer year, make, and model\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eVIN, if available\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOld U-bolt thread size\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eInside width measurement\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOverall leg length measurement\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHardware location on the trailer\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003ePhotos of the old U-bolt, bracket, frame, or mounting location\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"EZ Loader","offers":[{"title":"Default Title","offer_id":52897102889325,"sku":"290-020634","price":6.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/3761\/6493\/files\/EZLoader290-020634SquareU-boltZinc.5in-13tpix2inx7.5inStraightShot.jpg?v=1778613508"},{"product_id":"ez-loader-u-bolt-zinc-plated-290-002482","title":"U-Bolt 1\/2\"-13 x 3\" x 3-1\/4\" Zinc Plated 290-002482","description":"\u003ch2\u003eU-Bolt 1\/2\"-13 x 3\" x 3-1\/4\" Zinc Plated 290-002482\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eEZ Loader Trailer U-Bolt\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eU-Bolt 1\/2\"-13 x 3\" x 3-1\/4\" Zinc Plated 290-002482\u003c\/strong\u003e is a replacement trailer hardware fastener used on compatible EZ Loader boat trailers. This U-bolt measures \u003cstrong\u003e1\/2\"-13 thread x 3\" inside width x 3-1\/4\" length\u003c\/strong\u003e and is designed for trailer hardware locations where a shorter U-shaped clamp fastener is required.\u003c\/p\u003e\n\u003cp\u003eU-bolts are commonly used to secure trailer components around frames, brackets, bunk supports, roller supports, guide hardware, and other trailer attachment points depending on the trailer model and setup. Correct measurement matters because U-bolts are not universal. The diameter, thread pitch, inside width, leg length, and bend shape all need to match the trailer application.\u003c\/p\u003e\n\u003cp\u003eThe zinc-plated finish helps reduce corrosion in marine trailer use. Zinc plating acts as a sacrificial coating, meaning the zinc helps corrode before the underlying steel. This makes zinc-plated U-bolts a practical factory-style hardware choice for boat trailers exposed to road spray, freshwater, saltwater, humidity, and ramp use.\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 15px; margin: 20px 0;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\" style=\"text-align: left; padding: 12px 14px; background: #12344d; color: #ffffff; font-size: 18px; border: 1px solid #d9e2e8;\"\u003eProduct Details\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 32%; padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003ePart Number:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e290-002482\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003ePart Type:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eTrailer U-bolt \/ U-bolt hardware\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eThread Size:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e1\/2\"-13 coarse thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eInside Width:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e3\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eLength:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e3-1\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eMaterial \/ Finish:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eZinc-plated steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eColor:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eZinc \/ silver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eFits:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eCompatible EZ Loader trailer applications requiring a 1\/2\"-13 x 3\" x 3-1\/4\" zinc-plated U-bolt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eApplication Type:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eBoat trailer hardware, bracket hardware, bunk hardware, roller hardware, guide hardware, and frame-mounted fastening applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eFunction:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eHelps clamp or secure compatible trailer components where a 3\" inside-width U-bolt with 3-1\/4\" leg length is required.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eWhy Buyers Like This Part:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eFactory-style EZ Loader hardware, zinc-plated finish, common 1\/2\"-13 thread, 3\" inside width, shorter 3-1\/4\" length, useful for replacing rusted, bent, missing, or damaged U-bolts.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eImportant Fitment Note:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eConfirm thread size, inside width, leg length, and trailer application before ordering. U-bolts are dimension-specific and should not be guessed by appearance alone.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eU-Bolt 1\/2\"-13 x 3\" x 3-1\/4\" Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eReplacement zinc-plated U-bolt for compatible EZ Loader trailer hardware\u003c\/li\u003e\n\u003cli\u003e1\/2\"-13 coarse-thread design\u003c\/li\u003e\n\u003cli\u003e3\" inside width\u003c\/li\u003e\n\u003cli\u003e3-1\/4\" length\u003c\/li\u003e\n\u003cli\u003eUseful for trailer bracket, bunk, roller, guide, or frame-mounted hardware service\u003c\/li\u003e\n\u003cli\u003eHelps replace rusted, bent, worn, or missing U-bolts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTypical EZ Loader Trailer Applications\u003c\/h3\u003e\n\u003cp\u003eThis U-bolt may be used on compatible EZ Loader trailer hardware where a \u003cstrong\u003e1\/2\"-13 x 3\" x 3-1\/4\"\u003c\/strong\u003e zinc-plated U-bolt is required. Common use areas may include bracket hardware, bunk hardware, roller supports, guide hardware, frame-mounted hardware, and smaller trailer fastening points depending on the trailer model.\u003c\/p\u003e\n\u003cp\u003eBecause EZ Loader trailers use multiple U-bolt sizes, always compare the old U-bolt, bracket location, thread size, inside width, and leg length before ordering.\u003c\/p\u003e\n\u003ch3\u003eWhy EZ Loader Uses Zinc-Plated U-Bolts\u003c\/h3\u003e\n\u003cp\u003eEZ Loader uses zinc-plated hardware in many trailer applications because it provides a practical balance of strength, corrosion resistance, serviceability, and cost. The zinc coating helps protect the steel fastener and slows corrosion in wet, humid, freshwater, and saltwater trailer environments.\u003c\/p\u003e\n\u003cp\u003eZinc plating acts as a sacrificial layer. In simple terms, the zinc coating is designed to corrode before the steel underneath. This helps reduce rust on the bolt and limits corrosion around the hardware contact point when the trailer is exposed to water, salt, and road spray.\u003c\/p\u003e\n\u003cp\u003eFor best results, replace U-bolts that are heavily rusted, bent, stretched, rounded, or damaged during trailer service.\u003c\/p\u003e\n\u003ch3\u003eImportant Difference: U-Bolt Width and Length Matter\u003c\/h3\u003e\n\u003cp\u003eThis part is a \u003cstrong\u003e1\/2\"-13 x 3\" x 3-1\/4\" U-bolt\u003c\/strong\u003e. The inside width and leg length must match the trailer hardware location.\u003c\/p\u003e\n\u003cp\u003eA U-bolt that is too narrow may not fit around the frame, bracket, or part being clamped. A U-bolt that is too wide may not hold the component correctly. A U-bolt that is too short may not allow proper nut engagement, while one that is too long may interfere with nearby trailer parts.\u003c\/p\u003e\n\u003ch3\u003eAssociated \/ Compatible Parts\u003c\/h3\u003e\n\u003cp\u003eThese parts may be commonly used with compatible EZ Loader U-bolt hardware. Confirm your specific application before ordering.\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 15px; margin: 20px 0;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"padding: 12px 14px; background: #12344d; color: #ffffff; border: 1px solid #d9e2e8;\"\u003ePart Description\u003c\/th\u003e\n\u003cth style=\"padding: 12px 14px; background: #12344d; color: #ffffff; border: 1px solid #d9e2e8;\"\u003ePart Number\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e\u003ca href=\"\/products\/ez-loader-hex-locknut-zinc-plated-290-002598\"\u003eHex Locknut 1\/2\"-13 Zinc Plated Grade 5\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e290-002598\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e\u003ca href=\"\/collections\/zinc-trailer-u-bolts-for-ez-loader\"\u003eZinc Trailer U-Bolts for EZ Loader\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eCollection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eInstallation Considerations\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eConfirm the old U-bolt dimensions before ordering.\u003c\/li\u003e\n\u003cli\u003eMeasure the thread size, inside width, and overall leg length.\u003c\/li\u003e\n\u003cli\u003eInspect the bracket, frame, mounting plate, and mating hardware before reassembly.\u003c\/li\u003e\n\u003cli\u003eUse compatible 1\/2\"-13 nuts and washers if required by the application.\u003c\/li\u003e\n\u003cli\u003eReplace bent, rusted, stretched, cracked, or damaged U-bolts before towing.\u003c\/li\u003e\n\u003cli\u003eDo not reuse U-bolts that show heavy corrosion, thread damage, or deformation.\u003c\/li\u003e\n\u003cli\u003eTighten hardware to the proper specification for the trailer application.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eU-Bolt Fitment Guidance\u003c\/h3\u003e\n\u003cp\u003eThis is not a universal trailer U-bolt.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConfirm the thread size is 1\/2\"-13.\u003c\/li\u003e\n\u003cli\u003eConfirm the inside width is 3\".\u003c\/li\u003e\n\u003cli\u003eConfirm the length is 3-1\/4\".\u003c\/li\u003e\n\u003cli\u003eConfirm the shape and bend radius match the trailer application.\u003c\/li\u003e\n\u003cli\u003eCompare the old U-bolt and mounting location before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReal-World Insight\u003c\/h3\u003e\n\u003cp\u003eU-bolts often look simple, but they carry clamping load in important trailer hardware locations. If the U-bolt is stretched, bent, heavily rusted, or has damaged threads, it may not clamp correctly. When replacing trailer brackets, bunks, rollers, guides, or frame-mounted parts, matching the correct U-bolt dimensions helps keep the assembly secure.\u003c\/p\u003e\n\u003ch3\u003eQuestions or Need Help Matching Parts?\u003c\/h3\u003e\n\u003cp\u003eWe’re based in \u003cstrong\u003eHardeeville, South Carolina\u003c\/strong\u003e, serving customers nationwide.\u003c\/p\u003e\n\u003cp\u003e📞 Call us — we answer the phone and help you get it right.\u003cbr\u003e📧 Send photos if needed — often the fastest way to confirm U-bolt size, bracket location, and trailer hardware fitment.\u003c\/p\u003e\n\u003cp\u003eWe focus on \u003cstrong\u003ematching parts correctly the first time\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cdiv style=\"border: 1px solid #d9e2e8; background: #f6f9fb; padding: 16px 18px; margin: 24px 0; border-radius: 6px;\"\u003e\n\u003ch3 style=\"margin-top: 0;\"\u003eIndependent EZ Loader Parts Dealer Notice\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eEZLoaderParts411.com\u003c\/strong\u003e and \u003cstrong\u003eEZLoaderTrailers411.com\u003c\/strong\u003e are distributor and dealer-resource websites for EZ Loader boat trailers and EZ Loader OEM replacement parts. These websites are operated by the \u003cstrong\u003e411Marine team\u003c\/strong\u003e, an independent brick-and-mortar trailer dealer specializing in EZ Loader trailers, OEM replacement parts, and fitment support.\u003c\/p\u003e\n\u003cp\u003eOur reputation and long history with EZ Loader products may be what brought you here. We appreciate that trust, but we want the relationship to be clear: we are a dealer resource, not the manufacturer.\u003c\/p\u003e\n\u003cp\u003eWe support our previous trailer customers and welcome new customers who need help identifying the correct EZ Loader parts. At our Hardeeville, South Carolina store, we keep new model trailers on site and use real trailers, real measurements, photos, and hands-on comparison whenever possible to help verify parts before customers order.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eWhat to Have Ready When You Call\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eTrailer year, make, and model\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eVIN, if available\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOld U-bolt thread size\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eInside width measurement\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOverall leg length measurement\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHardware location on the trailer\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003ePhotos of the old U-bolt, bracket, frame, or mounting location\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"EZ Loader","offers":[{"title":"Default Title","offer_id":52897102922093,"sku":"290-002482","price":3.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/3761\/6493\/files\/EZLoader290-002482U-boltZinc.5-13tpix3x3.25inRightSIdeUp.jpg?v=1778622243"},{"product_id":"ez-loader-u-bolt-zinc-plated-290-002422","title":"U-Bolt 3\/8\"-16 x 3\" x 4\" Zinc Plated 290-002422","description":"\u003ch2\u003eU-Bolt 3\/8\"-16 x 3\" x 4\" Zinc Plated 290-002422\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eEZ Loader Trailer U-Bolt\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eU-Bolt 3\/8\"-16 x 3\" x 4\" Zinc Plated 290-002422\u003c\/strong\u003e is a replacement trailer hardware fastener used on compatible EZ Loader boat trailers. This U-bolt measures \u003cstrong\u003e3\/8\"-16 thread x 3\" inside width x 4\" length\u003c\/strong\u003e and is designed for trailer hardware locations where a smaller U-shaped clamp fastener is required.\u003c\/p\u003e\n\u003cp\u003eU-bolts are commonly used to secure trailer components around frames, brackets, supports, bunk hardware, roller hardware, guide hardware, and other trailer attachment points depending on the trailer model and setup. Correct measurement matters because U-bolts are not universal. The diameter, thread pitch, inside width, leg length, and bend shape all need to match the trailer application.\u003c\/p\u003e\n\u003cp\u003eThe zinc-plated finish helps reduce corrosion in marine trailer use. Zinc plating acts as a sacrificial coating, meaning the zinc helps corrode before the underlying steel. This makes zinc-plated U-bolts a practical factory-style hardware choice for boat trailers exposed to road spray, freshwater, saltwater, humidity, and ramp use.\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 15px; margin: 20px 0;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\" style=\"text-align: left; padding: 12px 14px; background: #12344d; color: #ffffff; font-size: 18px; border: 1px solid #d9e2e8;\"\u003eProduct Details\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 32%; padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003ePart Number:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e290-002422\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003ePart Type:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eTrailer U-bolt \/ U-bolt hardware\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eThread Size:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e3\/8\"-16 coarse thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eInside Width:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e3\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eLength:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eMaterial \/ Finish:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eZinc-plated steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eColor:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eZinc \/ silver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eFits:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eCompatible EZ Loader trailer applications requiring a 3\/8\"-16 x 3\" x 4\" zinc-plated U-bolt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eApplication Type:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eBoat trailer hardware, guide hardware, bunk hardware, bracket hardware, roller hardware, and frame-mounted fastening applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eFunction:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eHelps clamp or secure compatible trailer components where a 3\" inside-width U-bolt with 4\" leg length is required.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eWhy Buyers Like This Part:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eFactory-style EZ Loader hardware, zinc-plated finish, compact 3\/8\" size, 3\" inside width, useful for replacing rusted, bent, missing, or damaged U-bolts.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eImportant Fitment Note:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eConfirm thread size, inside width, leg length, and trailer application before ordering. U-bolts are dimension-specific and should not be guessed by appearance alone.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eU-Bolt 3\/8\"-16 x 3\" x 4\" Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eReplacement zinc-plated U-bolt for compatible EZ Loader trailer hardware\u003c\/li\u003e\n\u003cli\u003e3\/8\"-16 coarse-thread design\u003c\/li\u003e\n\u003cli\u003e3\" inside width\u003c\/li\u003e\n\u003cli\u003e4\" length\u003c\/li\u003e\n\u003cli\u003eUseful for trailer guide, bunk, bracket, roller, or frame-mounted hardware service\u003c\/li\u003e\n\u003cli\u003eHelps replace rusted, bent, worn, or missing U-bolts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTypical EZ Loader Trailer Applications\u003c\/h3\u003e\n\u003cp\u003eThis U-bolt may be used on compatible EZ Loader trailer hardware where a \u003cstrong\u003e3\/8\"-16 x 3\" x 4\"\u003c\/strong\u003e zinc-plated U-bolt is required. Common use areas may include guide hardware, bunk hardware, bracket hardware, roller supports, frame-mounted hardware, and smaller trailer fastening points depending on the trailer model.\u003c\/p\u003e\n\u003cp\u003eBecause EZ Loader trailers use multiple U-bolt sizes, always compare the old U-bolt, bracket location, thread size, inside width, and leg length before ordering.\u003c\/p\u003e\n\u003ch3\u003eWhy EZ Loader Uses Zinc-Plated U-Bolts\u003c\/h3\u003e\n\u003cp\u003eEZ Loader uses zinc-plated hardware in many trailer applications because it provides a practical balance of strength, corrosion resistance, serviceability, and cost. The zinc coating helps protect the steel fastener and slows corrosion in wet, humid, freshwater, and saltwater trailer environments.\u003c\/p\u003e\n\u003cp\u003eZinc plating acts as a sacrificial layer. In simple terms, the zinc coating is designed to corrode before the steel underneath. This helps reduce rust on the bolt and limits corrosion around the hardware contact point when the trailer is exposed to water, salt, and road spray.\u003c\/p\u003e\n\u003cp\u003eFor best results, replace U-bolts that are heavily rusted, bent, stretched, rounded, or damaged during trailer service.\u003c\/p\u003e\n\u003ch3\u003eImportant Difference: U-Bolt Width and Length Matter\u003c\/h3\u003e\n\u003cp\u003eThis part is a \u003cstrong\u003e3\/8\"-16 x 3\" x 4\" U-bolt\u003c\/strong\u003e. The inside width and leg length must match the trailer hardware location.\u003c\/p\u003e\n\u003cp\u003eA U-bolt that is too narrow may not fit around the frame, bracket, or part being clamped. A U-bolt that is too wide may not hold the component correctly. A U-bolt that is too short may not allow proper nut engagement, while one that is too long may interfere with nearby trailer parts.\u003c\/p\u003e\n\u003ch3\u003eAssociated \/ Compatible Parts\u003c\/h3\u003e\n\u003cp\u003eThese parts may be commonly used with compatible EZ Loader U-bolt hardware. Confirm your specific application before ordering.\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 15px; margin: 20px 0;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"padding: 12px 14px; background: #12344d; color: #ffffff; border: 1px solid #d9e2e8;\"\u003ePart Description\u003c\/th\u003e\n\u003cth style=\"padding: 12px 14px; background: #12344d; color: #ffffff; border: 1px solid #d9e2e8;\"\u003ePart Number\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e\u003ca href=\"\/collections\/zinc-trailer-u-bolts-for-ez-loader\"\u003eZinc Trailer U-Bolts for EZ Loader\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eCollection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eInstallation Considerations\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eConfirm the old U-bolt dimensions before ordering.\u003c\/li\u003e\n\u003cli\u003eMeasure the thread size, inside width, and overall leg length.\u003c\/li\u003e\n\u003cli\u003eInspect the bracket, frame, mounting plate, and mating hardware before reassembly.\u003c\/li\u003e\n\u003cli\u003eUse compatible 3\/8\"-16 nuts and washers if required by the application.\u003c\/li\u003e\n\u003cli\u003eReplace bent, rusted, stretched, cracked, or damaged U-bolts before towing.\u003c\/li\u003e\n\u003cli\u003eDo not reuse U-bolts that show heavy corrosion, thread damage, or deformation.\u003c\/li\u003e\n\u003cli\u003eTighten hardware to the proper specification for the trailer application.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eU-Bolt Fitment Guidance\u003c\/h3\u003e\n\u003cp\u003eThis is not a universal trailer U-bolt.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConfirm the thread size is 3\/8\"-16.\u003c\/li\u003e\n\u003cli\u003eConfirm the inside width is 3\".\u003c\/li\u003e\n\u003cli\u003eConfirm the length is 4\".\u003c\/li\u003e\n\u003cli\u003eConfirm the shape and bend radius match the trailer application.\u003c\/li\u003e\n\u003cli\u003eCompare the old U-bolt and mounting location before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReal-World Insight\u003c\/h3\u003e\n\u003cp\u003eU-bolts often look simple, but they carry clamping load in important trailer hardware locations. If the U-bolt is stretched, bent, heavily rusted, or has damaged threads, it may not clamp correctly. When replacing trailer brackets, guides, bunks, rollers, or frame-mounted parts, matching the correct U-bolt dimensions helps keep the assembly secure.\u003c\/p\u003e\n\u003ch3\u003eQuestions or Need Help Matching Parts?\u003c\/h3\u003e\n\u003cp\u003eWe’re based in \u003cstrong\u003eHardeeville, South Carolina\u003c\/strong\u003e, serving customers nationwide.\u003c\/p\u003e\n\u003cp\u003e📞 Call us — we answer the phone and help you get it right.\u003cbr\u003e📧 Send photos if needed — often the fastest way to confirm U-bolt size, bracket location, and trailer hardware fitment.\u003c\/p\u003e\n\u003cp\u003eWe focus on \u003cstrong\u003ematching parts correctly the first time\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cdiv style=\"border: 1px solid #d9e2e8; background: #f6f9fb; padding: 16px 18px; margin: 24px 0; border-radius: 6px;\"\u003e\n\u003ch3 style=\"margin-top: 0;\"\u003eIndependent EZ Loader Parts Dealer Notice\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eEZLoaderParts411.com\u003c\/strong\u003e and \u003cstrong\u003eEZLoaderTrailers411.com\u003c\/strong\u003e are distributor and dealer-resource websites for EZ Loader boat trailers and EZ Loader OEM replacement parts. These websites are operated by the \u003cstrong\u003e411Marine team\u003c\/strong\u003e, an independent brick-and-mortar trailer dealer specializing in EZ Loader trailers, OEM replacement parts, and fitment support.\u003c\/p\u003e\n\u003cp\u003eOur reputation and long history with EZ Loader products may be what brought you here. We appreciate that trust, but we want the relationship to be clear: we are a dealer resource, not the manufacturer.\u003c\/p\u003e\n\u003cp\u003eWe support our previous trailer customers and welcome new customers who need help identifying the correct EZ Loader parts. At our Hardeeville, South Carolina store, we keep new model trailers on site and use real trailers, real measurements, photos, and hands-on comparison whenever possible to help verify parts before customers order.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eWhat to Have Ready When You Call\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eTrailer year, make, and model\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eVIN, if available\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOld U-bolt thread size\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eInside width measurement\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOverall leg length measurement\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHardware location on the trailer\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003ePhotos of the old U-bolt, bracket, frame, or mounting location\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"EZ Loader","offers":[{"title":"Default Title","offer_id":52897103315309,"sku":"290-002422","price":2.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/3761\/6493\/files\/EZLoader290-022422SquareU-BoltZincPlated3-8inx3inx4inStraightShot.jpg?v=1778535671"},{"product_id":"ez-loader-u-bolt-zinc-plated-290-026771","title":"U-Bolt 1\/2\"-13 x 3\" x 8\" Zinc Plated 290-026771","description":"\u003cp\u003e\u003cstrong\u003eEZ Loader Trailer U-Bolt\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eU-Bolt 1\/2\"-13 x 3\" x 8\" Zinc Plated 290-026771\u003c\/strong\u003e is a replacement trailer hardware fastener used on compatible EZ Loader boat trailers. This U-bolt measures \u003cstrong\u003e1\/2\"-13 thread x 3\" inside width x 8\" length\u003c\/strong\u003e and is designed for trailer hardware locations where a longer U-shaped clamp fastener is required.\u003c\/p\u003e\n\u003cp\u003eU-bolts are commonly used to secure trailer components around frames, brackets, crossmembers, bunk supports, roller supports, and other trailer hardware locations depending on the trailer model and setup. Correct measurement matters because U-bolts are not universal. The diameter, thread pitch, inside width, leg length, and bend shape all need to match the trailer application.\u003c\/p\u003e\n\u003cp\u003eThe zinc-plated finish helps reduce corrosion in marine trailer use. Zinc plating acts as a sacrificial coating, meaning the zinc helps corrode before the underlying steel. This makes zinc-plated U-bolts a practical factory-style hardware choice for boat trailers exposed to road spray, freshwater, saltwater, humidity, and ramp use.\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 15px; margin: 20px 0;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; padding: 12px 14px; background: #12344d; color: #ffffff; font-size: 18px; border: 1px solid #d9e2e8;\" colspan=\"2\"\u003eProduct Details\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 32%; padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003ePart Number:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e290-026771\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003ePart Type:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eTrailer U-bolt \/ U-bolt hardware\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eThread Size:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e1\/2\"-13 coarse thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eInside Width:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e3\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eLength:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eMaterial \/ Finish:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eZinc-plated steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eColor:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eZinc \/ silver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eFits:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eCompatible EZ Loader trailer applications requiring a 1\/2\"-13 x 3\" x 8\" zinc-plated U-bolt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eApplication Type:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eBoat trailer hardware, bunk hardware, bracket hardware, roller hardware, suspension-related hardware, and frame-mounted fastening applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eFunction:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eHelps clamp or secure compatible trailer components where a 3\" inside-width U-bolt with 8\" leg length is required.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eWhy Buyers Like This Part:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eFactory-style EZ Loader hardware, zinc-plated finish, common 1\/2\"-13 thread, wider 3\" inside width, longer 8\" length, useful for replacing rusted, bent, missing, or damaged U-bolts.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eImportant Fitment Note:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eConfirm thread size, inside width, leg length, and trailer application before ordering. U-bolts are dimension-specific and should not be guessed by appearance alone.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eU-Bolt 1\/2\"-13 x 3\" x 8\" Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eReplacement zinc-plated U-bolt for compatible EZ Loader trailer hardware\u003c\/li\u003e\n\u003cli\u003e1\/2\"-13 coarse-thread design\u003c\/li\u003e\n\u003cli\u003e3\" inside width\u003c\/li\u003e\n\u003cli\u003e8\" length\u003c\/li\u003e\n\u003cli\u003eUseful for trailer bunk, bracket, roller, frame, or suspension-related hardware service\u003c\/li\u003e\n\u003cli\u003eHelps replace rusted, bent, worn, or missing U-bolts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTypical EZ Loader Trailer Applications\u003c\/h3\u003e\n\u003cp\u003eThis U-bolt may be used on compatible EZ Loader trailer hardware where a \u003cstrong\u003e1\/2\"-13 x 3\" x 8\"\u003c\/strong\u003e zinc-plated U-bolt is required. Common use areas may include bunk hardware, bracket hardware, roller supports, frame-mounted hardware, guide hardware, and suspension-related fastening points depending on the trailer model.\u003c\/p\u003e\n\u003cp\u003eBecause EZ Loader trailers use multiple U-bolt sizes, always compare the old U-bolt, bracket location, thread size, inside width, and leg length before ordering.\u003c\/p\u003e\n\u003ch3\u003eWhy EZ Loader Uses Zinc-Plated U-Bolts\u003c\/h3\u003e\n\u003cp\u003eEZ Loader uses zinc-plated hardware in many trailer applications because it provides a practical balance of strength, corrosion resistance, serviceability, and cost. The zinc coating helps protect the steel fastener and slows corrosion in wet, humid, freshwater, and saltwater trailer environments.\u003c\/p\u003e\n\u003cp\u003eZinc plating acts as a sacrificial layer. In simple terms, the zinc coating is designed to corrode before the steel underneath. This helps reduce rust on the bolt and limits corrosion around the hardware contact point when the trailer is exposed to water, salt, and road spray.\u003c\/p\u003e\n\u003cp\u003eFor best results, replace U-bolts that are heavily rusted, bent, stretched, rounded, or damaged during trailer service.\u003c\/p\u003e\n\u003ch3\u003eImportant Difference: U-Bolt Width and Length Matter\u003c\/h3\u003e\n\u003cp\u003eThis part is a \u003cstrong\u003e1\/2\"-13 x 3\" x 8\" U-bolt\u003c\/strong\u003e. The inside width and leg length must match the trailer hardware location.\u003c\/p\u003e\n\u003cp\u003eA U-bolt that is too narrow may not fit around the frame, bracket, or part being clamped. A U-bolt that is too wide may not hold the component correctly. A U-bolt that is too short may not allow proper nut engagement, while one that is too long may interfere with nearby trailer parts.\u003c\/p\u003e\n\u003ch3\u003eAssociated \/ Compatible Parts\u003c\/h3\u003e\n\u003cp\u003eThese parts may be commonly used with compatible EZ Loader U-bolt hardware. Confirm your specific application before ordering.\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 15px; margin: 20px 0;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"padding: 12px 14px; background: #12344d; color: #ffffff; border: 1px solid #d9e2e8;\"\u003ePart Description\u003c\/th\u003e\n\u003cth style=\"padding: 12px 14px; background: #12344d; color: #ffffff; border: 1px solid #d9e2e8;\"\u003ePart Number\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e\u003ca href=\"\/products\/ez-loader-hex-locknut-zinc-plated-290-002598\"\u003eHex Locknut 1\/2\"-13 Zinc Plated Grade 5\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e290-002598\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e\u003ca href=\"\/collections\/zinc-trailer-u-bolts-for-ez-loader\"\u003eZinc Trailer U-Bolts for EZ Loader\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eCollection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eInstallation Considerations\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eConfirm the old U-bolt dimensions before ordering.\u003c\/li\u003e\n\u003cli\u003eMeasure the thread size, inside width, and overall leg length.\u003c\/li\u003e\n\u003cli\u003eInspect the bracket, frame, mounting plate, and mating hardware before reassembly.\u003c\/li\u003e\n\u003cli\u003eUse compatible 1\/2\"-13 nuts and washers if required by the application.\u003c\/li\u003e\n\u003cli\u003eReplace bent, rusted, stretched, cracked, or damaged U-bolts before towing.\u003c\/li\u003e\n\u003cli\u003eDo not reuse U-bolts that show heavy corrosion, thread damage, or deformation.\u003c\/li\u003e\n\u003cli\u003eTighten hardware to the proper specification for the trailer application.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eU-Bolt Fitment Guidance\u003c\/h3\u003e\n\u003cp\u003eThis is not a universal trailer U-bolt.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConfirm the thread size is 1\/2\"-13.\u003c\/li\u003e\n\u003cli\u003eConfirm the inside width is 3\".\u003c\/li\u003e\n\u003cli\u003eConfirm the length is 8\".\u003c\/li\u003e\n\u003cli\u003eConfirm the shape and bend radius match the trailer application.\u003c\/li\u003e\n\u003cli\u003eCompare the old U-bolt and mounting location before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReal-World Insight\u003c\/h3\u003e\n\u003cp\u003eU-bolts often look simple, but they carry clamping load in important trailer hardware locations. If the U-bolt is stretched, bent, heavily rusted, or has damaged threads, it may not clamp correctly. When replacing trailer brackets, bunks, rollers, suspension hardware, or frame-mounted parts, matching the correct U-bolt dimensions helps keep the assembly secure.\u003c\/p\u003e\n\u003ch3\u003eQuestions or Need Help Matching Parts?\u003c\/h3\u003e\n\u003cp\u003eWe’re based in \u003cstrong\u003eHardeeville, South Carolina\u003c\/strong\u003e, serving customers nationwide.\u003c\/p\u003e\n\u003cp\u003e📞 Call us — we answer the phone and help you get it right.\u003cbr\u003e📧 Send photos if needed — often the fastest way to confirm U-bolt size, bracket location, and trailer hardware fitment.\u003c\/p\u003e\n\u003cp\u003eWe focus on \u003cstrong\u003ematching parts correctly the first time\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cdiv style=\"border: 1px solid #d9e2e8; background: #f6f9fb; padding: 16px 18px; margin: 24px 0; border-radius: 6px;\"\u003e\n\u003ch3 style=\"margin-top: 0;\"\u003eIndependent EZ Loader Parts Dealer Notice\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eEZLoaderParts411.com\u003c\/strong\u003e and \u003cstrong\u003eEZLoaderTrailers411.com\u003c\/strong\u003e are distributor and dealer-resource websites for EZ Loader boat trailers and EZ Loader OEM replacement parts. These websites are operated by the \u003cstrong\u003e411Marine team\u003c\/strong\u003e, an independent brick-and-mortar trailer dealer specializing in EZ Loader trailers, OEM replacement parts, and fitment support.\u003c\/p\u003e\n\u003cp\u003eOur reputation and long history with EZ Loader products may be what brought you here. We appreciate that trust, but we want the relationship to be clear: we are a dealer resource, not the manufacturer.\u003c\/p\u003e\n\u003cp\u003eWe support our previous trailer customers and welcome new customers who need help identifying the correct EZ Loader parts. At our Hardeeville, South Carolina store, we keep new model trailers on site and use real trailers, real measurements, photos, and hands-on comparison whenever possible to help verify parts before customers order.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eWhat to Have Ready When You Call\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eTrailer year, make, and model\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eVIN, if available\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOld U-bolt thread size\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eInside width measurement\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOverall leg length measurement\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHardware location on the trailer\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003ePhotos of the old U-bolt, bracket, frame, or mounting location\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"EZ Loader","offers":[{"title":"Default Title","offer_id":52897104462189,"sku":"290-026771","price":6.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/3761\/6493\/files\/EZLoader290-026771SquareU-BoltZinc.5in-13tpix3inx8inStraightSHot.jpg?v=1778617036"},{"product_id":"ez-loader-u-bolt-1-2-13-x-3-x-7-1-4-zinc-plated-290-002516","title":"EZ Loader U-Bolt 1\/2\" -13 x 3 x 7-1\/4\" Zinc Plated 290-002516","description":"\u003ch2\u003eU-Bolt 1\/2\"-13 x 3\" x 7-1\/4\" Zinc Plated 290-002516\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eEZ Loader Trailer U-Bolt\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eU-Bolt 1\/2\"-13 x 3\" x 7-1\/4\" Zinc Plated 290-002516\u003c\/strong\u003e is a replacement trailer hardware fastener used on compatible EZ Loader boat trailers. This U-bolt measures \u003cstrong\u003e1\/2\"-13 thread x 3\" inside width x 7-1\/4\" length\u003c\/strong\u003e and is designed for trailer hardware locations where a longer U-shaped clamp fastener is required.\u003c\/p\u003e\n\n\u003cp\u003eU-bolts are commonly used to secure trailer components around frames, brackets, crossmembers, bunk supports, roller supports, and other trailer hardware locations depending on the trailer model and setup. Correct measurement matters because U-bolts are not universal. The diameter, thread pitch, inside width, leg length, and bend shape all need to match the trailer application.\u003c\/p\u003e\n\n\u003cp\u003eThe zinc-plated finish helps reduce corrosion in marine trailer use. Zinc plating acts as a sacrificial coating, meaning the zinc helps corrode before the underlying steel. This makes zinc-plated U-bolts a practical factory-style hardware choice for boat trailers exposed to road spray, freshwater, saltwater, humidity, and ramp use.\u003c\/p\u003e\n\n\u003ctable style=\"width:100%; border-collapse:collapse; font-size:15px; margin:20px 0;\"\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003cth colspan=\"2\" style=\"text-align:left; padding:12px 14px; background:#12344d; color:#ffffff; font-size:18px; border:1px solid #d9e2e8;\"\u003e\n        Product Details\n      \u003c\/th\u003e\n    \u003c\/tr\u003e\n\n    \u003ctr\u003e\n      \u003ctd style=\"width:32%; padding:12px 14px; font-weight:bold; border:1px solid #d9e2e8; background:#eaf3f8;\"\u003ePart Number:\u003c\/td\u003e\n      \u003ctd style=\"padding:12px 14px; border:1px solid #d9e2e8;\"\u003e290-002516\u003c\/td\u003e\n    \u003c\/tr\u003e\n\n    \u003ctr\u003e\n      \u003ctd style=\"padding:12px 14px; font-weight:bold; border:1px solid #d9e2e8; background:#eaf3f8;\"\u003ePart Type:\u003c\/td\u003e\n      \u003ctd style=\"padding:12px 14px; border:1px solid #d9e2e8;\"\u003eTrailer U-bolt \/ U-bolt hardware\u003c\/td\u003e\n    \u003c\/tr\u003e\n\n    \u003ctr\u003e\n      \u003ctd style=\"padding:12px 14px; font-weight:bold; border:1px solid #d9e2e8; background:#eaf3f8;\"\u003eThread Size:\u003c\/td\u003e\n      \u003ctd style=\"padding:12px 14px; border:1px solid #d9e2e8;\"\u003e1\/2\"-13 coarse thread\u003c\/td\u003e\n    \u003c\/tr\u003e\n\n    \u003ctr\u003e\n      \u003ctd style=\"padding:12px 14px; font-weight:bold; border:1px solid #d9e2e8; background:#eaf3f8;\"\u003eInside Width:\u003c\/td\u003e\n      \u003ctd style=\"padding:12px 14px; border:1px solid #d9e2e8;\"\u003e3\"\u003c\/td\u003e\n    \u003c\/tr\u003e\n\n    \u003ctr\u003e\n      \u003ctd style=\"padding:12px 14px; font-weight:bold; border:1px solid #d9e2e8; background:#eaf3f8;\"\u003eLength:\u003c\/td\u003e\n      \u003ctd style=\"padding:12px 14px; border:1px solid #d9e2e8;\"\u003e7-1\/4\"\u003c\/td\u003e\n    \u003c\/tr\u003e\n\n    \u003ctr\u003e\n      \u003ctd style=\"padding:12px 14px; font-weight:bold; border:1px solid #d9e2e8; background:#eaf3f8;\"\u003eMaterial \/ Finish:\u003c\/td\u003e\n      \u003ctd style=\"padding:12px 14px; border:1px solid #d9e2e8;\"\u003eZinc-plated steel\u003c\/td\u003e\n    \u003c\/tr\u003e\n\n    \u003ctr\u003e\n      \u003ctd style=\"padding:12px 14px; font-weight:bold; border:1px solid #d9e2e8; background:#eaf3f8;\"\u003eColor:\u003c\/td\u003e\n      \u003ctd style=\"padding:12px 14px; border:1px solid #d9e2e8;\"\u003eZinc \/ silver\u003c\/td\u003e\n    \u003c\/tr\u003e\n\n    \u003ctr\u003e\n      \u003ctd style=\"padding:12px 14px; font-weight:bold; border:1px solid #d9e2e8; background:#eaf3f8;\"\u003eFits:\u003c\/td\u003e\n      \u003ctd style=\"padding:12px 14px; border:1px solid #d9e2e8;\"\u003eCompatible EZ Loader trailer applications requiring a 1\/2\"-13 x 3\" x 7-1\/4\" zinc-plated U-bolt\u003c\/td\u003e\n    \u003c\/tr\u003e\n\n    \u003ctr\u003e\n      \u003ctd style=\"padding:12px 14px; font-weight:bold; border:1px solid #d9e2e8; background:#eaf3f8;\"\u003eApplication Type:\u003c\/td\u003e\n      \u003ctd style=\"padding:12px 14px; border:1px solid #d9e2e8;\"\u003eBoat trailer hardware, bunk hardware, bracket hardware, roller hardware, suspension-related hardware, and frame-mounted fastening applications\u003c\/td\u003e\n    \u003c\/tr\u003e\n\n    \u003ctr\u003e\n      \u003ctd style=\"padding:12px 14px; font-weight:bold; border:1px solid #d9e2e8; background:#eaf3f8;\"\u003eFunction:\u003c\/td\u003e\n      \u003ctd style=\"padding:12px 14px; border:1px solid #d9e2e8;\"\u003eHelps clamp or secure compatible trailer components where a 3\" inside-width U-bolt with 7-1\/4\" leg length is required.\u003c\/td\u003e\n    \u003c\/tr\u003e\n\n    \u003ctr\u003e\n      \u003ctd style=\"padding:12px 14px; font-weight:bold; border:1px solid #d9e2e8; background:#eaf3f8;\"\u003eWhy Buyers Like This Part:\u003c\/td\u003e\n      \u003ctd style=\"padding:12px 14px; border:1px solid #d9e2e8;\"\u003eFactory-style EZ Loader hardware, zinc-plated finish, common 1\/2\"-13 thread, wider 3\" inside width, longer 7-1\/4\" length, useful for replacing rusted, bent, missing, or damaged U-bolts.\u003c\/td\u003e\n    \u003c\/tr\u003e\n\n    \u003ctr\u003e\n      \u003ctd style=\"padding:12px 14px; font-weight:bold; border:1px solid #d9e2e8; background:#eaf3f8;\"\u003eImportant Fitment Note:\u003c\/td\u003e\n      \u003ctd style=\"padding:12px 14px; border:1px solid #d9e2e8;\"\u003eConfirm thread size, inside width, leg length, and trailer application before ordering. U-bolts are dimension-specific and should not be guessed by appearance alone.\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eU-Bolt 1\/2\"-13 x 3\" x 7-1\/4\" Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eReplacement zinc-plated U-bolt for compatible EZ Loader trailer hardware\u003c\/li\u003e\n  \u003cli\u003e1\/2\"-13 coarse-thread design\u003c\/li\u003e\n  \u003cli\u003e3\" inside width\u003c\/li\u003e\n  \u003cli\u003e7-1\/4\" length\u003c\/li\u003e\n  \u003cli\u003eUseful for trailer bunk, bracket, roller, frame, or suspension-related hardware service\u003c\/li\u003e\n  \u003cli\u003eHelps replace rusted, bent, worn, or missing U-bolts\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical EZ Loader Trailer Applications\u003c\/h3\u003e\n\n\u003cp\u003eThis U-bolt may be used on compatible EZ Loader trailer hardware where a \u003cstrong\u003e1\/2\"-13 x 3\" x 7-1\/4\"\u003c\/strong\u003e zinc-plated U-bolt is required. Common use areas may include bunk hardware, bracket hardware, roller supports, frame-mounted hardware, guide hardware, and suspension-related fastening points depending on the trailer model.\u003c\/p\u003e\n\n\u003cp\u003eBecause EZ Loader trailers use multiple U-bolt sizes, always compare the old U-bolt, bracket location, thread size, inside width, and leg length before ordering.\u003c\/p\u003e\n\n\u003ch3\u003eWhy EZ Loader Uses Zinc-Plated U-Bolts\u003c\/h3\u003e\n\n\u003cp\u003eEZ Loader uses zinc-plated hardware in many trailer applications because it provides a practical balance of strength, corrosion resistance, serviceability, and cost. The zinc coating helps protect the steel fastener and slows corrosion in wet, humid, freshwater, and saltwater trailer environments.\u003c\/p\u003e\n\n\u003cp\u003eZinc plating acts as a sacrificial layer. In simple terms, the zinc coating is designed to corrode before the steel underneath. This helps reduce rust on the bolt and limits corrosion around the hardware contact point when the trailer is exposed to water, salt, and road spray.\u003c\/p\u003e\n\n\u003cp\u003eFor best results, replace U-bolts that are heavily rusted, bent, stretched, rounded, or damaged during trailer service.\u003c\/p\u003e\n\n\u003ch3\u003eImportant Difference: U-Bolt Width and Length Matter\u003c\/h3\u003e\n\n\u003cp\u003eThis part is a \u003cstrong\u003e1\/2\"-13 x 3\" x 7-1\/4\" U-bolt\u003c\/strong\u003e. The inside width and leg length must match the trailer hardware location.\u003c\/p\u003e\n\n\u003cp\u003eA U-bolt that is too narrow may not fit around the frame, bracket, or part being clamped. A U-bolt that is too wide may not hold the component correctly. A U-bolt that is too short may not allow proper nut engagement, while one that is too long may interfere with nearby trailer parts.\u003c\/p\u003e\n\n\u003ch3\u003eAssociated \/ Compatible Parts\u003c\/h3\u003e\n\n\u003cp\u003eThese parts may be commonly used with compatible EZ Loader U-bolt hardware. Confirm your specific application before ordering.\u003c\/p\u003e\n\n\u003ctable style=\"width:100%; border-collapse:collapse; font-size:15px; margin:20px 0;\"\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003cth style=\"padding:12px 14px; background:#12344d; color:#ffffff; border:1px solid #d9e2e8;\"\u003ePart Description\u003c\/th\u003e\n      \u003cth style=\"padding:12px 14px; background:#12344d; color:#ffffff; border:1px solid #d9e2e8;\"\u003ePart Number\u003c\/th\u003e\n    \u003c\/tr\u003e\n\n    \u003ctr\u003e\n      \u003ctd style=\"padding:12px 14px; border:1px solid #d9e2e8;\"\u003e\n        \u003ca href=\"\/products\/ez-loader-hex-locknut-zinc-plated-290-002598\"\u003eHex Locknut 1\/2\"-13 Zinc Plated Grade 5\u003c\/a\u003e\n      \u003c\/td\u003e\n      \u003ctd style=\"padding:12px 14px; border:1px solid #d9e2e8;\"\u003e290-002598\u003c\/td\u003e\n    \u003c\/tr\u003e\n\n    \u003ctr\u003e\n      \u003ctd style=\"padding:12px 14px; border:1px solid #d9e2e8;\"\u003e\n        \u003ca href=\"\/collections\/zinc-trailer-u-bolts-for-ez-loader\"\u003eZinc Trailer U-Bolts for EZ Loader\u003c\/a\u003e\n      \u003c\/td\u003e\n      \u003ctd style=\"padding:12px 14px; border:1px solid #d9e2e8;\"\u003eCollection\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eInstallation Considerations\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eConfirm the old U-bolt dimensions before ordering.\u003c\/li\u003e\n  \u003cli\u003eMeasure the thread size, inside width, and overall leg length.\u003c\/li\u003e\n  \u003cli\u003eInspect the bracket, frame, mounting plate, and mating hardware before reassembly.\u003c\/li\u003e\n  \u003cli\u003eUse compatible 1\/2\"-13 nuts and washers if required by the application.\u003c\/li\u003e\n  \u003cli\u003eReplace bent, rusted, stretched, cracked, or damaged U-bolts before towing.\u003c\/li\u003e\n  \u003cli\u003eDo not reuse U-bolts that show heavy corrosion, thread damage, or deformation.\u003c\/li\u003e\n  \u003cli\u003eTighten hardware to the proper specification for the trailer application.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eU-Bolt Fitment Guidance\u003c\/h3\u003e\n\n\u003cp\u003eThis is not a universal trailer U-bolt.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eConfirm the thread size is 1\/2\"-13.\u003c\/li\u003e\n  \u003cli\u003eConfirm the inside width is 3\".\u003c\/li\u003e\n  \u003cli\u003eConfirm the length is 7-1\/4\".\u003c\/li\u003e\n  \u003cli\u003eConfirm the shape and bend radius match the trailer application.\u003c\/li\u003e\n  \u003cli\u003eCompare the old U-bolt and mounting location before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eReal-World Insight\u003c\/h3\u003e\n\n\u003cp\u003eU-bolts often look simple, but they carry clamping load in important trailer hardware locations. If the U-bolt is stretched, bent, heavily rusted, or has damaged threads, it may not clamp correctly. When replacing trailer brackets, bunks, rollers, suspension hardware, or frame-mounted parts, matching the correct U-bolt dimensions helps keep the assembly secure.\u003c\/p\u003e\n\n\u003ch3\u003eQuestions or Need Help Matching Parts?\u003c\/h3\u003e\n\n\u003cp\u003eWe’re based in \u003cstrong\u003eHardeeville, South Carolina\u003c\/strong\u003e, serving customers nationwide.\u003c\/p\u003e\n\n\u003cp\u003e📞 Call us — we answer the phone and help you get it right.\u003cbr\u003e\n📧 Send photos if needed — often the fastest way to confirm U-bolt size, bracket location, and trailer hardware fitment.\u003c\/p\u003e\n\n\u003cp\u003eWe focus on \u003cstrong\u003ematching parts correctly the first time\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cdiv style=\"border:1px solid #d9e2e8; background:#f6f9fb; padding:16px 18px; margin:24px 0; border-radius:6px;\"\u003e\n  \u003ch3 style=\"margin-top:0;\"\u003eIndependent EZ Loader Parts Dealer Notice\u003c\/h3\u003e\n\n  \u003cp\u003e\u003cstrong\u003eEZLoaderParts411.com\u003c\/strong\u003e and \u003cstrong\u003eEZLoaderTrailers411.com\u003c\/strong\u003e are distributor and dealer-resource websites for EZ Loader boat trailers and EZ Loader OEM replacement parts. These websites are operated by the \u003cstrong\u003e411Marine team\u003c\/strong\u003e, an independent brick-and-mortar trailer dealer specializing in EZ Loader trailers, OEM replacement parts, and fitment support.\u003c\/p\u003e\n\n  \u003cp\u003eOur reputation and long history with EZ Loader products may be what brought you here. We appreciate that trust, but we want the relationship to be clear: we are a dealer resource, not the manufacturer.\u003c\/p\u003e\n\n  \u003cp\u003eWe support our previous trailer customers and welcome new customers who need help identifying the correct EZ Loader parts. At our Hardeeville, South Carolina store, we keep new model trailers on site and use real trailers, real measurements, photos, and hands-on comparison whenever possible to help verify parts before customers order.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eWhat to Have Ready When You Call\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\u003cstrong\u003eTrailer year, make, and model\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eVIN, if available\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eOld U-bolt thread size\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eInside width measurement\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eOverall leg length measurement\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eHardware location on the trailer\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003ePhotos of the old U-bolt, bracket, frame, or mounting location\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"EZ Loader","offers":[{"title":"Default Title","offer_id":52897104494957,"sku":"290-002516","price":5.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/3761\/6493\/files\/EZLoader290-002516SquareU-BoltZinc.5in-13TPIx3inx7.25inStraight.jpg?v=1778622070"},{"product_id":"ez-loader-u-bolt-zinc-plated-290-002496","title":"U-Bolt 1\/2\"-13 x 3\" x 6-1\/2\" Zinc Plated 290-002496","description":"\u003ch2\u003eU-Bolt 1\/2\"-13 x 3\" x 6-1\/2\" Zinc Plated 290-002496\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eEZ Loader Trailer U-Bolt\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eU-Bolt 1\/2\"-13 x 3\" x 6-1\/2\" Zinc Plated 290-002496\u003c\/strong\u003e is a replacement trailer hardware fastener used on compatible EZ Loader boat trailers. This U-bolt measures \u003cstrong\u003e1\/2\"-13 thread x 3\" inside width x 6-1\/2\" length\u003c\/strong\u003e and is designed for trailer hardware locations where a longer U-shaped clamp fastener is required.\u003c\/p\u003e\n\u003cp\u003eU-bolts are commonly used to secure trailer components around frames, brackets, crossmembers, bunk supports, roller supports, and other trailer hardware locations depending on the trailer model and setup. Correct measurement matters because U-bolts are not universal. The diameter, thread pitch, inside width, leg length, and bend shape all need to match the trailer application.\u003c\/p\u003e\n\u003cp\u003eThe zinc-plated finish helps reduce corrosion in marine trailer use. Zinc plating acts as a sacrificial coating, meaning the zinc helps corrode before the underlying steel. This makes zinc-plated U-bolts a practical factory-style hardware choice for boat trailers exposed to road spray, freshwater, saltwater, humidity, and ramp use.\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 15px; margin: 20px 0;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\" style=\"text-align: left; padding: 12px 14px; background: #12344d; color: #ffffff; font-size: 18px; border: 1px solid #d9e2e8;\"\u003eProduct Details\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 32%; padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003ePart Number:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e290-002496\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003ePart Type:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eTrailer U-bolt \/ U-bolt hardware\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eThread Size:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e1\/2\"-13 coarse thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eInside Width:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e3\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eLength:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e6-1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eMaterial \/ Finish:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eZinc-plated steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eColor:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eZinc \/ silver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eFits:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eCompatible EZ Loader trailer applications requiring a 1\/2\"-13 x 3\" x 6-1\/2\" zinc-plated U-bolt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eApplication Type:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eBoat trailer hardware, bunk hardware, bracket hardware, roller hardware, suspension-related hardware, and frame-mounted fastening applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eFunction:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eHelps clamp or secure compatible trailer components where a 3\" inside-width U-bolt with 6-1\/2\" leg length is required.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eWhy Buyers Like This Part:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eFactory-style EZ Loader hardware, zinc-plated finish, common 1\/2\"-13 thread, wider 3\" inside width, longer 6-1\/2\" length, useful for replacing rusted, bent, missing, or damaged U-bolts.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eImportant Fitment Note:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eConfirm thread size, inside width, leg length, and trailer application before ordering. U-bolts are dimension-specific and should not be guessed by appearance alone.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eU-Bolt 1\/2\"-13 x 3\" x 6-1\/2\" Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eReplacement zinc-plated U-bolt for compatible EZ Loader trailer hardware\u003c\/li\u003e\n\u003cli\u003e1\/2\"-13 coarse-thread design\u003c\/li\u003e\n\u003cli\u003e3\" inside width\u003c\/li\u003e\n\u003cli\u003e6-1\/2\" length\u003c\/li\u003e\n\u003cli\u003eUseful for trailer bunk, bracket, roller, frame, or suspension-related hardware service\u003c\/li\u003e\n\u003cli\u003eHelps replace rusted, bent, worn, or missing U-bolts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTypical EZ Loader Trailer Applications\u003c\/h3\u003e\n\u003cp\u003eThis U-bolt may be used on compatible EZ Loader trailer hardware where a \u003cstrong\u003e1\/2\"-13 x 3\" x 6-1\/2\"\u003c\/strong\u003e zinc-plated U-bolt is required. Common use areas may include bunk hardware, bracket hardware, roller supports, frame-mounted hardware, guide hardware, and suspension-related fastening points depending on the trailer model.\u003c\/p\u003e\n\u003cp\u003eBecause EZ Loader trailers use multiple U-bolt sizes, always compare the old U-bolt, bracket location, thread size, inside width, and leg length before ordering.\u003c\/p\u003e\n\u003ch3\u003eWhy EZ Loader Uses Zinc-Plated U-Bolts\u003c\/h3\u003e\n\u003cp\u003eEZ Loader uses zinc-plated hardware in many trailer applications because it provides a practical balance of strength, corrosion resistance, serviceability, and cost. The zinc coating helps protect the steel fastener and slows corrosion in wet, humid, freshwater, and saltwater trailer environments.\u003c\/p\u003e\n\u003cp\u003eZinc plating acts as a sacrificial layer. In simple terms, the zinc coating is designed to corrode before the steel underneath. This helps reduce rust on the bolt and limits corrosion around the hardware contact point when the trailer is exposed to water, salt, and road spray.\u003c\/p\u003e\n\u003cp\u003eFor best results, replace U-bolts that are heavily rusted, bent, stretched, rounded, or damaged during trailer service.\u003c\/p\u003e\n\u003ch3\u003eImportant Difference: U-Bolt Width and Length Matter\u003c\/h3\u003e\n\u003cp\u003eThis part is a \u003cstrong\u003e1\/2\"-13 x 3\" x 6-1\/2\" U-bolt\u003c\/strong\u003e. The inside width and leg length must match the trailer hardware location.\u003c\/p\u003e\n\u003cp\u003eA U-bolt that is too narrow may not fit around the frame, bracket, or part being clamped. A U-bolt that is too wide may not hold the component correctly. A U-bolt that is too short may not allow proper nut engagement, while one that is too long may interfere with nearby trailer parts.\u003c\/p\u003e\n\u003ch3\u003eAssociated \/ Compatible Parts\u003c\/h3\u003e\n\u003cp\u003eThese parts may be commonly used with compatible EZ Loader U-bolt hardware. Confirm your specific application before ordering.\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 15px; margin: 20px 0;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"padding: 12px 14px; background: #12344d; color: #ffffff; border: 1px solid #d9e2e8;\"\u003ePart Description\u003c\/th\u003e\n\u003cth style=\"padding: 12px 14px; background: #12344d; color: #ffffff; border: 1px solid #d9e2e8;\"\u003ePart Number\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e\u003ca href=\"\/products\/ez-loader-hex-locknut-zinc-plated-290-002598\"\u003eHex Locknut 1\/2\"-13 Zinc Plated Grade 5\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e290-002598\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e\u003ca href=\"\/collections\/zinc-trailer-u-bolts-for-ez-loader\"\u003eZinc Trailer U-Bolts for EZ Loader\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eCollection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eInstallation Considerations\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eConfirm the old U-bolt dimensions before ordering.\u003c\/li\u003e\n\u003cli\u003eMeasure the thread size, inside width, and overall leg length.\u003c\/li\u003e\n\u003cli\u003eInspect the bracket, frame, mounting plate, and mating hardware before reassembly.\u003c\/li\u003e\n\u003cli\u003eUse compatible 1\/2\"-13 nuts and washers if required by the application.\u003c\/li\u003e\n\u003cli\u003eReplace bent, rusted, stretched, cracked, or damaged U-bolts before towing.\u003c\/li\u003e\n\u003cli\u003eDo not reuse U-bolts that show heavy corrosion, thread damage, or deformation.\u003c\/li\u003e\n\u003cli\u003eTighten hardware to the proper specification for the trailer application.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eU-Bolt Fitment Guidance\u003c\/h3\u003e\n\u003cp\u003eThis is not a universal trailer U-bolt.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConfirm the thread size is 1\/2\"-13.\u003c\/li\u003e\n\u003cli\u003eConfirm the inside width is 3\".\u003c\/li\u003e\n\u003cli\u003eConfirm the length is 6-1\/2\".\u003c\/li\u003e\n\u003cli\u003eConfirm the shape and bend radius match the trailer application.\u003c\/li\u003e\n\u003cli\u003eCompare the old U-bolt and mounting location before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReal-World Insight\u003c\/h3\u003e\n\u003cp\u003eU-bolts often look simple, but they carry clamping load in important trailer hardware locations. If the U-bolt is stretched, bent, heavily rusted, or has damaged threads, it may not clamp correctly. When replacing trailer brackets, bunks, rollers, suspension hardware, or frame-mounted parts, matching the correct U-bolt dimensions helps keep the assembly secure.\u003c\/p\u003e\n\u003ch3\u003eQuestions or Need Help Matching Parts?\u003c\/h3\u003e\n\u003cp\u003eWe’re based in \u003cstrong\u003eHardeeville, South Carolina\u003c\/strong\u003e, serving customers nationwide.\u003c\/p\u003e\n\u003cp\u003e📞 Call us — we answer the phone and help you get it right.\u003cbr\u003e📧 Send photos if needed — often the fastest way to confirm U-bolt size, bracket location, and trailer hardware fitment.\u003c\/p\u003e\n\u003cp\u003eWe focus on \u003cstrong\u003ematching parts correctly the first time\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cdiv style=\"border: 1px solid #d9e2e8; background: #f6f9fb; padding: 16px 18px; margin: 24px 0; border-radius: 6px;\"\u003e\n\u003ch3 style=\"margin-top: 0;\"\u003eIndependent EZ Loader Parts Dealer Notice\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eEZLoaderParts411.com\u003c\/strong\u003e and \u003cstrong\u003eEZLoaderTrailers411.com\u003c\/strong\u003e are distributor and dealer-resource websites for EZ Loader boat trailers and EZ Loader OEM replacement parts. These websites are operated by the \u003cstrong\u003e411Marine team\u003c\/strong\u003e, an independent brick-and-mortar trailer dealer specializing in EZ Loader trailers, OEM replacement parts, and fitment support.\u003c\/p\u003e\n\u003cp\u003eOur reputation and long history with EZ Loader products may be what brought you here. We appreciate that trust, but we want the relationship to be clear: we are a dealer resource, not the manufacturer.\u003c\/p\u003e\n\u003cp\u003eWe support our previous trailer customers and welcome new customers who need help identifying the correct EZ Loader parts. At our Hardeeville, South Carolina store, we keep new model trailers on site and use real trailers, real measurements, photos, and hands-on comparison whenever possible to help verify parts before customers order.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eWhat to Have Ready When You Call\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eTrailer year, make, and model\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eVIN, if available\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOld U-bolt thread size\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eInside width measurement\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOverall leg length measurement\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHardware location on the trailer\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003ePhotos of the old U-bolt, bracket, frame, or mounting location\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"EZ Loader","offers":[{"title":"Default Title","offer_id":52897104527725,"sku":"290-002496","price":5.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/3761\/6493\/files\/EZLoader290-002496SquareU-BoltZinc.5in-13tpix3inx6.5inStraight.jpg?v=1778621880"},{"product_id":"ez-loader-u-bolt-zinc-plated-290-002485","title":"U-Bolt 1\/2\"-13 x 3\" x 4-1\/4\" Zinc Plated 290-002485","description":"\u003ch2\u003eU-Bolt 1\/2\"-13 x 3\" x 4-1\/4\" Zinc Plated 290-002485\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eEZ Loader Trailer U-Bolt\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eU-Bolt 1\/2\"-13 x 3\" x 4-1\/4\" Zinc Plated 290-002485\u003c\/strong\u003e is a replacement trailer hardware fastener used on compatible EZ Loader boat trailers. This U-bolt measures \u003cstrong\u003e1\/2\"-13 thread x 3\" inside width x 4-1\/4\" length\u003c\/strong\u003e and is designed for trailer hardware locations where a wider U-shaped clamp fastener is required.\u003c\/p\u003e\n\u003cp\u003eU-bolts are commonly used to secure trailer components around frames, brackets, crossmembers, bunk supports, roller supports, and other trailer hardware locations depending on the trailer model and setup. Correct measurement matters because U-bolts are not universal. The diameter, thread pitch, inside width, leg length, and bend shape all need to match the trailer application.\u003c\/p\u003e\n\u003cp\u003eThe zinc-plated finish helps reduce corrosion in marine trailer use. Zinc plating acts as a sacrificial coating, meaning the zinc helps corrode before the underlying steel. This makes zinc-plated U-bolts a practical factory-style hardware choice for boat trailers exposed to road spray, freshwater, saltwater, humidity, and ramp use.\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 15px; margin: 20px 0;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\" style=\"text-align: left; padding: 12px 14px; background: #12344d; color: #ffffff; font-size: 18px; border: 1px solid #d9e2e8;\"\u003eProduct Details\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 32%; padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003ePart Number:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e290-002485\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003ePart Type:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eTrailer U-bolt \/ U-bolt hardware\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eThread Size:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e1\/2\"-13 coarse thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eInside Width:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e3\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eLength:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e4-1\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eMaterial \/ Finish:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eZinc-plated steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eColor:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eZinc \/ silver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eFits:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eCompatible EZ Loader trailer applications requiring a 1\/2\"-13 x 3\" x 4-1\/4\" zinc-plated U-bolt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eApplication Type:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eBoat trailer hardware, bunk hardware, bracket hardware, roller hardware, suspension-related hardware, and frame-mounted fastening applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eFunction:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eHelps clamp or secure compatible trailer components where a 3\" inside-width U-bolt with 4-1\/4\" leg length is required.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eWhy Buyers Like This Part:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eFactory-style EZ Loader hardware, zinc-plated finish, common 1\/2\"-13 thread, 3\" inside width, useful for replacing rusted, bent, missing, or damaged U-bolts.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eImportant Fitment Note:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eConfirm thread size, inside width, leg length, and trailer application before ordering. U-bolts are dimension-specific and should not be guessed by appearance alone.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eU-Bolt 1\/2\"-13 x 3\" x 4-1\/4\" Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eReplacement zinc-plated U-bolt for compatible EZ Loader trailer hardware\u003c\/li\u003e\n\u003cli\u003e1\/2\"-13 coarse-thread design\u003c\/li\u003e\n\u003cli\u003e3\" inside width\u003c\/li\u003e\n\u003cli\u003e4-1\/4\" length\u003c\/li\u003e\n\u003cli\u003eUseful for trailer bunk, bracket, roller, frame, or suspension-related hardware service\u003c\/li\u003e\n\u003cli\u003eHelps replace rusted, bent, worn, or missing U-bolts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTypical EZ Loader Trailer Applications\u003c\/h3\u003e\n\u003cp\u003eThis U-bolt may be used on compatible EZ Loader trailer hardware where a \u003cstrong\u003e1\/2\"-13 x 3\" x 4-1\/4\"\u003c\/strong\u003e zinc-plated U-bolt is required. Common use areas may include bunk hardware, bracket hardware, roller supports, frame-mounted hardware, guide hardware, and suspension-related fastening points depending on the trailer model.\u003c\/p\u003e\n\u003cp\u003eBecause EZ Loader trailers use multiple U-bolt sizes, always compare the old U-bolt, bracket location, thread size, inside width, and leg length before ordering.\u003c\/p\u003e\n\u003ch3\u003eWhy EZ Loader Uses Zinc-Plated U-Bolts\u003c\/h3\u003e\n\u003cp\u003eEZ Loader uses zinc-plated hardware in many trailer applications because it provides a practical balance of strength, corrosion resistance, serviceability, and cost. The zinc coating helps protect the steel fastener and slows corrosion in wet, humid, freshwater, and saltwater trailer environments.\u003c\/p\u003e\n\u003cp\u003eZinc plating acts as a sacrificial layer. In simple terms, the zinc coating is designed to corrode before the steel underneath. This helps reduce rust on the bolt and limits corrosion around the hardware contact point when the trailer is exposed to water, salt, and road spray.\u003c\/p\u003e\n\u003cp\u003eFor best results, replace U-bolts that are heavily rusted, bent, stretched, rounded, or damaged during trailer service.\u003c\/p\u003e\n\u003ch3\u003eImportant Difference: U-Bolt Width and Length Matter\u003c\/h3\u003e\n\u003cp\u003eThis part is a \u003cstrong\u003e1\/2\"-13 x 3\" x 4-1\/4\" U-bolt\u003c\/strong\u003e. The inside width and leg length must match the trailer hardware location.\u003c\/p\u003e\n\u003cp\u003eA U-bolt that is too narrow may not fit around the frame, bracket, or part being clamped. A U-bolt that is too wide may not hold the component correctly. A U-bolt that is too short may not allow proper nut engagement, while one that is too long may interfere with nearby trailer parts.\u003c\/p\u003e\n\u003ch3\u003eAssociated \/ Compatible Parts\u003c\/h3\u003e\n\u003cp\u003eThese parts may be commonly used with compatible EZ Loader U-bolt hardware. Confirm your specific application before ordering.\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 15px; margin: 20px 0;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"padding: 12px 14px; background: #12344d; color: #ffffff; border: 1px solid #d9e2e8;\"\u003ePart Description\u003c\/th\u003e\n\u003cth style=\"padding: 12px 14px; background: #12344d; color: #ffffff; border: 1px solid #d9e2e8;\"\u003ePart Number\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e\u003ca href=\"\/products\/ez-loader-hex-locknut-zinc-plated-290-002598\"\u003eHex Locknut 1\/2\"-13 Zinc Plated Grade 5\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e290-002598\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e\u003ca href=\"\/collections\/zinc-trailer-u-bolts-for-ez-loader\"\u003eZinc Trailer U-Bolts for EZ Loader\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eCollection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eInstallation Considerations\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eConfirm the old U-bolt dimensions before ordering.\u003c\/li\u003e\n\u003cli\u003eMeasure the thread size, inside width, and overall leg length.\u003c\/li\u003e\n\u003cli\u003eInspect the bracket, frame, mounting plate, and mating hardware before reassembly.\u003c\/li\u003e\n\u003cli\u003eUse compatible 1\/2\"-13 nuts and washers if required by the application.\u003c\/li\u003e\n\u003cli\u003eReplace bent, rusted, stretched, cracked, or damaged U-bolts before towing.\u003c\/li\u003e\n\u003cli\u003eDo not reuse U-bolts that show heavy corrosion, thread damage, or deformation.\u003c\/li\u003e\n\u003cli\u003eTighten hardware to the proper specification for the trailer application.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eU-Bolt Fitment Guidance\u003c\/h3\u003e\n\u003cp\u003eThis is not a universal trailer U-bolt.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConfirm the thread size is 1\/2\"-13.\u003c\/li\u003e\n\u003cli\u003eConfirm the inside width is 3\".\u003c\/li\u003e\n\u003cli\u003eConfirm the length is 4-1\/4\".\u003c\/li\u003e\n\u003cli\u003eConfirm the shape and bend radius match the trailer application.\u003c\/li\u003e\n\u003cli\u003eCompare the old U-bolt and mounting location before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReal-World Insight\u003c\/h3\u003e\n\u003cp\u003eU-bolts often look simple, but they carry clamping load in important trailer hardware locations. If the U-bolt is stretched, bent, heavily rusted, or has damaged threads, it may not clamp correctly. When replacing trailer brackets, bunks, rollers, suspension hardware, or frame-mounted parts, matching the correct U-bolt dimensions helps keep the assembly secure.\u003c\/p\u003e\n\u003ch3\u003eQuestions or Need Help Matching Parts?\u003c\/h3\u003e\n\u003cp\u003eWe’re based in \u003cstrong\u003eHardeeville, South Carolina\u003c\/strong\u003e, serving customers nationwide.\u003c\/p\u003e\n\u003cp\u003e📞 Call us — we answer the phone and help you get it right.\u003cbr\u003e📧 Send photos if needed — often the fastest way to confirm U-bolt size, bracket location, and trailer hardware fitment.\u003c\/p\u003e\n\u003cp\u003eWe focus on \u003cstrong\u003ematching parts correctly the first time\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cdiv style=\"border: 1px solid #d9e2e8; background: #f6f9fb; padding: 16px 18px; margin: 24px 0; border-radius: 6px;\"\u003e\n\u003ch3 style=\"margin-top: 0;\"\u003eIndependent EZ Loader Parts Dealer Notice\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eEZLoaderParts411.com\u003c\/strong\u003e and \u003cstrong\u003eEZLoaderTrailers411.com\u003c\/strong\u003e are distributor and dealer-resource websites for EZ Loader boat trailers and EZ Loader OEM replacement parts. These websites are operated by the \u003cstrong\u003e411Marine team\u003c\/strong\u003e, an independent brick-and-mortar trailer dealer specializing in EZ Loader trailers, OEM replacement parts, and fitment support.\u003c\/p\u003e\n\u003cp\u003eOur reputation and long history with EZ Loader products may be what brought you here. We appreciate that trust, but we want the relationship to be clear: we are a dealer resource, not the manufacturer.\u003c\/p\u003e\n\u003cp\u003eWe support our previous trailer customers and welcome new customers who need help identifying the correct EZ Loader parts. At our Hardeeville, South Carolina store, we keep new model trailers on site and use real trailers, real measurements, photos, and hands-on comparison whenever possible to help verify parts before customers order.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eWhat to Have Ready When You Call\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eTrailer year, make, and model\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eVIN, if available\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOld U-bolt thread size\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eInside width measurement\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOverall leg length measurement\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHardware location on the trailer\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003ePhotos of the old U-bolt, bracket, frame, or mounting location\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"EZ Loader","offers":[{"title":"Default Title","offer_id":52897104691565,"sku":"290-002485","price":4.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/3761\/6493\/files\/EZLoader290-002485U-BoltZinc.5in-13tpix3inx4.25inStraight.jpg?v=1778621392"},{"product_id":"ez-loader-u-bolt-1-2-13-x-2-x-6-1-2-zinc-plated-290-020980","title":"EZ Loader U-Bolt 1\/2\"-13TPI x 2\" x 6-1\/2\" Zinc Plated 290-020980","description":"\u003cp class=\"MsoNormal\"\u003e\u003cspan style=\"font-family: Arial; font-size: large;\"\u003e\u003cstrong\u003ePart Name: \u003c\/strong\u003eU-Bolt 1\/2\"-13 TPI x 2\" x 6-1\/2\"\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan style=\"font-family: Arial; font-size: large;\"\u003e\u003cb\u003ePart Number: \u003c\/b\u003e290-020980\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan style=\"font-family: Arial; font-size: large;\"\u003e\u003cb\u003e\u003cspan\u003eDimensions:\u003c\/span\u003e \u003c\/b\u003e1\/2\"-13 TPI x 2\" x 6-1\/2\"\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan style=\"font-family: Arial; font-size: large;\"\u003e\u003cb\u003e\u003cspan\u003eMaterial:\u003c\/span\u003e \u003c\/b\u003eZinc Plated (grade 5)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan style=\"font-family: Arial; font-size: large;\"\u003e\u003cb\u003e\u003cspan\u003eColor:\u003c\/span\u003e\u003c\/b\u003e Silver\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan style=\"font-family: Arial; font-size: large;\"\u003e\u003cspan\u003eFitment:\u003c\/span\u003e \u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-family: Arial; font-size: large;\"\u003eUsed for attaching hardware \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: Arial; font-size: large;\"\u003e   to frame (ie: brackets)\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan style=\"font-family: Arial; font-size: large;\"\u003e\u003cb\u003eIncluded Components: \u003c\/b\u003e1 U-Bolt\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan style=\"font-family: Arial; font-size: large;\"\u003e\u003cb\u003eKey Features\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-family: Arial; font-size: large;\"\u003eOEM EZ Loader Part\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: Arial; font-size: large;\"\u003eMade in the U.S.A.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: Arial; font-size: large;\"\u003eFits 2\" Boom\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-family: Arial; font-size: large;\"\u003eZinc Coated \u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-family: Arial; font-size: large;\"\u003ecorrosion resistant \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-family: Arial; font-size: large;\"\u003eUsed With 1\/2\"-13tpi Locknut  \u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-family: Arial; font-size: large;\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cem\u003eSold Separately \u003c\/em\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp align=\"center\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-family: Arial; font-size: large;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp align=\"center\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-family: Arial; font-size: large;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp align=\"center\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-family: Arial; font-size: large;\"\u003e\u003cb\u003e\u003cspan\u003eEasy to Install\u003c\/span\u003e\u003c\/b\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp align=\"center\" class=\"MsoNormal\"\u003e\u003cspan style=\"font-family: Arial; font-size: large;\"\u003e\u003ci\u003eMounting Hardware \u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cb\u003eNOT\u003c\/b\u003e\u003c\/span\u003e Included\u003c\/i\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"EZ Loader","offers":[{"title":"Default Title","offer_id":52897104724333,"sku":"290-020980","price":6.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/3761\/6493\/files\/EZLoader290-020980SquareU-BoltZinc.5in-13tpix2inx6.5inStraightShot.jpg?v=1778614503"},{"product_id":"ez-loader-u-bolt-zinc-plated-290-002540","title":"U-Bolt 1\/2\"-13 x 2\" x 4-1\/2\" Zinc Plated 290-002540","description":"\u003ch2\u003eU-Bolt 1\/2\"-13 x 2\" x 4-1\/2\" Zinc Plated 290-002540\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eEZ Loader Trailer U-Bolt\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eU-Bolt 1\/2\"-13 x 2\" x 4-1\/2\" Zinc Plated 290-002540\u003c\/strong\u003e is a replacement trailer hardware fastener used on compatible EZ Loader boat trailers. This U-bolt measures \u003cstrong\u003e1\/2\"-13 thread x 2\" inside width x 4-1\/2\" length\u003c\/strong\u003e and is designed for trailer hardware locations where a U-shaped clamp fastener is required.\u003c\/p\u003e\n\u003cp\u003eU-bolts are commonly used to secure trailer components around frames, brackets, crossmembers, bunk supports, roller supports, and other trailer hardware locations depending on the trailer model and setup. Correct measurement matters because U-bolts are not universal. The diameter, thread pitch, inside width, leg length, and bend shape all need to match the trailer application.\u003c\/p\u003e\n\u003cp\u003eThe zinc-plated finish helps reduce corrosion in marine trailer use. Zinc plating acts as a sacrificial coating, meaning the zinc helps corrode before the underlying steel. This makes zinc-plated U-bolts a practical factory-style hardware choice for boat trailers exposed to road spray, freshwater, saltwater, humidity, and ramp use.\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 15px; margin: 20px 0;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\" style=\"text-align: left; padding: 12px 14px; background: #12344d; color: #ffffff; font-size: 18px; border: 1px solid #d9e2e8;\"\u003eProduct Details\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 32%; padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003ePart Number:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e290-002540\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003ePart Type:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eTrailer U-bolt \/ U-bolt hardware\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eThread Size:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e1\/2\"-13 coarse thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eInside Width:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eLength:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e4-1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eMaterial \/ Finish:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eZinc-plated steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eColor:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eZinc \/ silver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eFits:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eCompatible EZ Loader trailer applications requiring a 1\/2\"-13 x 2\" x 4-1\/2\" zinc-plated U-bolt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eApplication Type:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eBoat trailer hardware, bunk hardware, bracket hardware, roller hardware, suspension-related hardware, and frame-mounted fastening applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eFunction:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eHelps clamp or secure compatible trailer components where a 2\" inside-width U-bolt with 4-1\/2\" leg length is required.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eWhy Buyers Like This Part:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eFactory-style EZ Loader hardware, zinc-plated finish, common 1\/2\"-13 thread, 2\" inside width, useful for replacing rusted, bent, missing, or damaged U-bolts.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eImportant Fitment Note:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eConfirm thread size, inside width, leg length, and trailer application before ordering. U-bolts are dimension-specific and should not be guessed by appearance alone.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eU-Bolt 1\/2\"-13 x 2\" x 4-1\/2\" Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eReplacement zinc-plated U-bolt for compatible EZ Loader trailer hardware\u003c\/li\u003e\n\u003cli\u003e1\/2\"-13 coarse-thread design\u003c\/li\u003e\n\u003cli\u003e2\" inside width\u003c\/li\u003e\n\u003cli\u003e4-1\/2\" length\u003c\/li\u003e\n\u003cli\u003eUseful for trailer bunk, bracket, roller, frame, or suspension-related hardware service\u003c\/li\u003e\n\u003cli\u003eHelps replace rusted, bent, worn, or missing U-bolts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTypical EZ Loader Trailer Applications\u003c\/h3\u003e\n\u003cp\u003eThis U-bolt may be used on compatible EZ Loader trailer hardware where a \u003cstrong\u003e1\/2\"-13 x 2\" x 4-1\/2\"\u003c\/strong\u003e zinc-plated U-bolt is required. Common use areas may include bunk hardware, bracket hardware, roller supports, frame-mounted hardware, guide hardware, and suspension-related fastening points depending on the trailer model.\u003c\/p\u003e\n\u003cp\u003eBecause EZ Loader trailers use multiple U-bolt sizes, always compare the old U-bolt, bracket location, thread size, inside width, and leg length before ordering.\u003c\/p\u003e\n\u003ch3\u003eWhy EZ Loader Uses Zinc-Plated U-Bolts\u003c\/h3\u003e\n\u003cp\u003eEZ Loader uses zinc-plated hardware in many trailer applications because it provides a practical balance of strength, corrosion resistance, serviceability, and cost. The zinc coating helps protect the steel fastener and slows corrosion in wet, humid, freshwater, and saltwater trailer environments.\u003c\/p\u003e\n\u003cp\u003eZinc plating acts as a sacrificial layer. In simple terms, the zinc coating is designed to corrode before the steel underneath. This helps reduce rust on the bolt and limits corrosion around the hardware contact point when the trailer is exposed to water, salt, and road spray.\u003c\/p\u003e\n\u003cp\u003eFor best results, replace U-bolts that are heavily rusted, bent, stretched, rounded, or damaged during trailer service.\u003c\/p\u003e\n\u003ch3\u003eImportant Difference: U-Bolt Width and Length Matter\u003c\/h3\u003e\n\u003cp\u003eThis part is a \u003cstrong\u003e1\/2\"-13 x 2\" x 4-1\/2\" U-bolt\u003c\/strong\u003e. The inside width and leg length must match the trailer hardware location.\u003c\/p\u003e\n\u003cp\u003eA U-bolt that is too narrow may not fit around the frame, bracket, or part being clamped. A U-bolt that is too wide may not hold the component correctly. A U-bolt that is too short may not allow proper nut engagement, while one that is too long may interfere with nearby trailer parts.\u003c\/p\u003e\n\u003ch3\u003eAssociated \/ Compatible Parts\u003c\/h3\u003e\n\u003cp\u003eThese parts may be commonly used with compatible EZ Loader U-bolt hardware. Confirm your specific application before ordering.\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 15px; margin: 20px 0;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"padding: 12px 14px; background: #12344d; color: #ffffff; border: 1px solid #d9e2e8;\"\u003ePart Description\u003c\/th\u003e\n\u003cth style=\"padding: 12px 14px; background: #12344d; color: #ffffff; border: 1px solid #d9e2e8;\"\u003ePart Number\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e\u003ca href=\"\/products\/ez-loader-hex-locknut-zinc-plated-290-002598\"\u003eHex Locknut 1\/2\"-13 Zinc Plated Grade 5\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e290-002598\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e\u003ca href=\"\/collections\/zinc-trailer-u-bolts-for-ez-loader\"\u003eZinc Trailer U-Bolts for EZ Loader\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eCollection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eInstallation Considerations\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eConfirm the old U-bolt dimensions before ordering.\u003c\/li\u003e\n\u003cli\u003eMeasure the thread size, inside width, and overall leg length.\u003c\/li\u003e\n\u003cli\u003eInspect the bracket, frame, mounting plate, and mating hardware before reassembly.\u003c\/li\u003e\n\u003cli\u003eUse compatible 1\/2\"-13 nuts and washers if required by the application.\u003c\/li\u003e\n\u003cli\u003eReplace bent, rusted, stretched, cracked, or damaged U-bolts before towing.\u003c\/li\u003e\n\u003cli\u003eDo not reuse U-bolts that show heavy corrosion, thread damage, or deformation.\u003c\/li\u003e\n\u003cli\u003eTighten hardware to the proper specification for the trailer application.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eU-Bolt Fitment Guidance\u003c\/h3\u003e\n\u003cp\u003eThis is not a universal trailer U-bolt.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConfirm the thread size is 1\/2\"-13.\u003c\/li\u003e\n\u003cli\u003eConfirm the inside width is 2\".\u003c\/li\u003e\n\u003cli\u003eConfirm the length is 4-1\/2\".\u003c\/li\u003e\n\u003cli\u003eConfirm the shape and bend radius match the trailer application.\u003c\/li\u003e\n\u003cli\u003eCompare the old U-bolt and mounting location before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReal-World Insight\u003c\/h3\u003e\n\u003cp\u003eU-bolts often look simple, but they carry clamping load in important trailer hardware locations. If the U-bolt is stretched, bent, heavily rusted, or has damaged threads, it may not clamp correctly. When replacing trailer brackets, bunks, rollers, suspension hardware, or frame-mounted parts, matching the correct U-bolt dimensions helps keep the assembly secure.\u003c\/p\u003e\n\u003ch3\u003eQuestions or Need Help Matching Parts?\u003c\/h3\u003e\n\u003cp\u003eWe’re based in \u003cstrong\u003eHardeeville, South Carolina\u003c\/strong\u003e, serving customers nationwide.\u003c\/p\u003e\n\u003cp\u003e📞 Call us — we answer the phone and help you get it right.\u003cbr\u003e📧 Send photos if needed — often the fastest way to confirm U-bolt size, bracket location, and trailer hardware fitment.\u003c\/p\u003e\n\u003cp\u003eWe focus on \u003cstrong\u003ematching parts correctly the first time\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cdiv style=\"border: 1px solid #d9e2e8; background: #f6f9fb; padding: 16px 18px; margin: 24px 0; border-radius: 6px;\"\u003e\n\u003ch3 style=\"margin-top: 0;\"\u003eIndependent EZ Loader Parts Dealer Notice\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eEZLoaderParts411.com\u003c\/strong\u003e and \u003cstrong\u003eEZLoaderTrailers411.com\u003c\/strong\u003e are distributor and dealer-resource websites for EZ Loader boat trailers and EZ Loader OEM replacement parts. These websites are operated by the \u003cstrong\u003e411Marine team\u003c\/strong\u003e, an independent brick-and-mortar trailer dealer specializing in EZ Loader trailers, OEM replacement parts, and fitment support.\u003c\/p\u003e\n\u003cp\u003eOur reputation and long history with EZ Loader products may be what brought you here. We appreciate that trust, but we want the relationship to be clear: we are a dealer resource, not the manufacturer.\u003c\/p\u003e\n\u003cp\u003eWe support our previous trailer customers and welcome new customers who need help identifying the correct EZ Loader parts. At our Hardeeville, South Carolina store, we keep new model trailers on site and use real trailers, real measurements, photos, and hands-on comparison whenever possible to help verify parts before customers order.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eWhat to Have Ready When You Call\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eTrailer year, make, and model\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eVIN, if available\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOld U-bolt thread size\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eInside width measurement\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOverall leg length measurement\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHardware location on the trailer\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003ePhotos of the old U-bolt, bracket, frame, or mounting location\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"EZ Loader","offers":[{"title":"Default Title","offer_id":52897104757101,"sku":"290-002540","price":4.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/3761\/6493\/files\/EZLoader290-002540U-BoltZinc.5in-13tpix2inx4.5inStraightShot.jpg?v=1778611189"},{"product_id":"ez-loader-u-bolt-zinc-plated-290-015566","title":"U-Bolt 1\/2\"-13 x 3\" x 5-1\/4\" Zinc Plated 290-015566","description":"\u003ch2\u003eU-Bolt 1\/2\"-13 x 3\" x 5-1\/4\" Zinc Plated 290-015566\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eEZ Loader Trailer U-Bolt\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eU-Bolt 1\/2\"-13 x 3\" x 5-1\/4\" Zinc Plated 290-015566\u003c\/strong\u003e is a replacement trailer hardware fastener used on compatible EZ Loader boat trailers. This U-bolt measures \u003cstrong\u003e1\/2\"-13 thread x 3\" inside width x 5-1\/4\" length\u003c\/strong\u003e and is designed for trailer hardware locations where a wider U-shaped clamp fastener is required.\u003c\/p\u003e\n\u003cp\u003eU-bolts are commonly used to secure trailer components around frames, brackets, crossmembers, bunk supports, roller supports, and other trailer hardware locations depending on the trailer model and setup. Correct measurement matters because U-bolts are not universal. The diameter, thread pitch, inside width, leg length, and bend shape all need to match the trailer application.\u003c\/p\u003e\n\u003cp\u003eThe zinc-plated finish helps reduce corrosion in marine trailer use. Zinc plating acts as a sacrificial coating, meaning the zinc helps corrode before the underlying steel. This makes zinc-plated U-bolts a practical factory-style hardware choice for boat trailers exposed to road spray, freshwater, saltwater, humidity, and ramp use.\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 15px; margin: 20px 0;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\" style=\"text-align: left; padding: 12px 14px; background: #12344d; color: #ffffff; font-size: 18px; border: 1px solid #d9e2e8;\"\u003eProduct Details\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 32%; padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003ePart Number:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e290-015566\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003ePart Type:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eTrailer U-bolt \/ U-bolt hardware\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eThread Size:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e1\/2\"-13 coarse thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eInside Width:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e3\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eLength:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e5-1\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eMaterial \/ Finish:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eZinc-plated steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eColor:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eZinc \/ silver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eFits:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eCompatible EZ Loader trailer applications requiring a 1\/2\"-13 x 3\" x 5-1\/4\" zinc-plated U-bolt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eApplication Type:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eBoat trailer hardware, bunk hardware, bracket hardware, roller hardware, suspension-related hardware, and frame-mounted fastening applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eFunction:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eHelps clamp or secure compatible trailer components where a 3\" inside-width U-bolt with 5-1\/4\" leg length is required.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eWhy Buyers Like This Part:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eFactory-style EZ Loader hardware, zinc-plated finish, common 1\/2\"-13 thread, wider 3\" inside width, useful for replacing rusted, bent, missing, or damaged U-bolts.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eImportant Fitment Note:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eConfirm thread size, inside width, leg length, and trailer application before ordering. U-bolts are dimension-specific and should not be guessed by appearance alone.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eU-Bolt 1\/2\"-13 x 3\" x 5-1\/4\" Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eReplacement zinc-plated U-bolt for compatible EZ Loader trailer hardware\u003c\/li\u003e\n\u003cli\u003e1\/2\"-13 coarse-thread design\u003c\/li\u003e\n\u003cli\u003e3\" inside width\u003c\/li\u003e\n\u003cli\u003e5-1\/4\" length\u003c\/li\u003e\n\u003cli\u003eUseful for trailer bunk, bracket, roller, frame, or suspension-related hardware service\u003c\/li\u003e\n\u003cli\u003eHelps replace rusted, bent, worn, or missing U-bolts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTypical EZ Loader Trailer Applications\u003c\/h3\u003e\n\u003cp\u003eThis U-bolt may be used on compatible EZ Loader trailer hardware where a \u003cstrong\u003e1\/2\"-13 x 3\" x 5-1\/4\"\u003c\/strong\u003e zinc-plated U-bolt is required. Common use areas may include bunk hardware, bracket hardware, roller supports, frame-mounted hardware, guide hardware, and suspension-related fastening points depending on the trailer model.\u003c\/p\u003e\n\u003cp\u003eBecause EZ Loader trailers use multiple U-bolt sizes, always compare the old U-bolt, bracket location, thread size, inside width, and leg length before ordering.\u003c\/p\u003e\n\u003ch3\u003eWhy EZ Loader Uses Zinc-Plated U-Bolts\u003c\/h3\u003e\n\u003cp\u003eEZ Loader uses zinc-plated hardware in many trailer applications because it provides a practical balance of strength, corrosion resistance, serviceability, and cost. The zinc coating helps protect the steel fastener and slows corrosion in wet, humid, freshwater, and saltwater trailer environments.\u003c\/p\u003e\n\u003cp\u003eZinc plating acts as a sacrificial layer. In simple terms, the zinc coating is designed to corrode before the steel underneath. This helps reduce rust on the bolt and limits corrosion around the hardware contact point when the trailer is exposed to water, salt, and road spray.\u003c\/p\u003e\n\u003cp\u003eFor best results, replace U-bolts that are heavily rusted, bent, stretched, rounded, or damaged during trailer service.\u003c\/p\u003e\n\u003ch3\u003eImportant Difference: U-Bolt Width and Length Matter\u003c\/h3\u003e\n\u003cp\u003eThis part is a \u003cstrong\u003e1\/2\"-13 x 3\" x 5-1\/4\" U-bolt\u003c\/strong\u003e. The inside width and leg length must match the trailer hardware location.\u003c\/p\u003e\n\u003cp\u003eA U-bolt that is too narrow may not fit around the frame, bracket, or part being clamped. A U-bolt that is too wide may not hold the component correctly. A U-bolt that is too short may not allow proper nut engagement, while one that is too long may interfere with nearby trailer parts.\u003c\/p\u003e\n\u003ch3\u003eAssociated \/ Compatible Parts\u003c\/h3\u003e\n\u003cp\u003eThese parts may be commonly used with compatible EZ Loader U-bolt hardware. Confirm your specific application before ordering.\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 15px; margin: 20px 0;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"padding: 12px 14px; background: #12344d; color: #ffffff; border: 1px solid #d9e2e8;\"\u003ePart Description\u003c\/th\u003e\n\u003cth style=\"padding: 12px 14px; background: #12344d; color: #ffffff; border: 1px solid #d9e2e8;\"\u003ePart Number\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e\u003ca href=\"\/products\/ez-loader-hex-locknut-zinc-plated-290-002598\"\u003eHex Locknut 1\/2\"-13 Zinc Plated Grade 5\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e290-002598\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e\u003ca href=\"\/collections\/zinc-trailer-u-bolts-for-ez-loader\"\u003eZinc Trailer U-Bolts for EZ Loader\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eCollection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eInstallation Considerations\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eConfirm the old U-bolt dimensions before ordering.\u003c\/li\u003e\n\u003cli\u003eMeasure the thread size, inside width, and overall leg length.\u003c\/li\u003e\n\u003cli\u003eInspect the bracket, frame, mounting plate, and mating hardware before reassembly.\u003c\/li\u003e\n\u003cli\u003eUse compatible 1\/2\"-13 nuts and washers if required by the application.\u003c\/li\u003e\n\u003cli\u003eReplace bent, rusted, stretched, cracked, or damaged U-bolts before towing.\u003c\/li\u003e\n\u003cli\u003eDo not reuse U-bolts that show heavy corrosion, thread damage, or deformation.\u003c\/li\u003e\n\u003cli\u003eTighten hardware to the proper specification for the trailer application.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eU-Bolt Fitment Guidance\u003c\/h3\u003e\n\u003cp\u003eThis is not a universal trailer U-bolt.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConfirm the thread size is 1\/2\"-13.\u003c\/li\u003e\n\u003cli\u003eConfirm the inside width is 3\".\u003c\/li\u003e\n\u003cli\u003eConfirm the length is 5-1\/4\".\u003c\/li\u003e\n\u003cli\u003eConfirm the shape and bend radius match the trailer application.\u003c\/li\u003e\n\u003cli\u003eCompare the old U-bolt and mounting location before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReal-World Insight\u003c\/h3\u003e\n\u003cp\u003eU-bolts often look simple, but they carry clamping load in important trailer hardware locations. If the U-bolt is stretched, bent, heavily rusted, or has damaged threads, it may not clamp correctly. When replacing trailer brackets, bunks, rollers, suspension hardware, or frame-mounted parts, matching the correct U-bolt dimensions helps keep the assembly secure.\u003c\/p\u003e\n\u003ch3\u003eQuestions or Need Help Matching Parts?\u003c\/h3\u003e\n\u003cp\u003eWe’re based in \u003cstrong\u003eHardeeville, South Carolina\u003c\/strong\u003e, serving customers nationwide.\u003c\/p\u003e\n\u003cp\u003e📞 Call us — we answer the phone and help you get it right.\u003cbr\u003e📧 Send photos if needed — often the fastest way to confirm U-bolt size, bracket location, and trailer hardware fitment.\u003c\/p\u003e\n\u003cp\u003eWe focus on \u003cstrong\u003ematching parts correctly the first time\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cdiv style=\"border: 1px solid #d9e2e8; background: #f6f9fb; padding: 16px 18px; margin: 24px 0; border-radius: 6px;\"\u003e\n\u003ch3 style=\"margin-top: 0;\"\u003eIndependent EZ Loader Parts Dealer Notice\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eEZLoaderParts411.com\u003c\/strong\u003e and \u003cstrong\u003eEZLoaderTrailers411.com\u003c\/strong\u003e are distributor and dealer-resource websites for EZ Loader boat trailers and EZ Loader OEM replacement parts. These websites are operated by the \u003cstrong\u003e411Marine team\u003c\/strong\u003e, an independent brick-and-mortar trailer dealer specializing in EZ Loader trailers, OEM replacement parts, and fitment support.\u003c\/p\u003e\n\u003cp\u003eOur reputation and long history with EZ Loader products may be what brought you here. We appreciate that trust, but we want the relationship to be clear: we are a dealer resource, not the manufacturer.\u003c\/p\u003e\n\u003cp\u003eWe support our previous trailer customers and welcome new customers who need help identifying the correct EZ Loader parts. At our Hardeeville, South Carolina store, we keep new model trailers on site and use real trailers, real measurements, photos, and hands-on comparison whenever possible to help verify parts before customers order.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eWhat to Have Ready When You Call\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eTrailer year, make, and model\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eVIN, if available\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOld U-bolt thread size\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eInside width measurement\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOverall leg length measurement\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHardware location on the trailer\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003ePhotos of the old U-bolt, bracket, frame, or mounting location\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"EZ Loader","offers":[{"title":"Default Title","offer_id":52897104789869,"sku":"290-015566","price":4.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/3761\/6493\/files\/EZLoader290-015566SquareU-boltZinc.5in-13tpix3inx5.25inStraight.jpg?v=1778612725"},{"product_id":"ez-loader-u-bolt-zinc-plated-290-014674","title":"U-Bolt 1\/2\"-13 x 2\" x 4\" Zinc Plated 290-014674","description":"\u003ch2\u003eU-Bolt 1\/2\"-13 x 2\" x 4\" Zinc Plated 290-014674\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eEZ Loader Trailer U-Bolt\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eU-Bolt 1\/2\"-13 x 2\" x 4\" Zinc Plated 290-014674\u003c\/strong\u003e is a replacement trailer hardware fastener used on compatible EZ Loader boat trailers. This U-bolt measures \u003cstrong\u003e1\/2\"-13 thread x 2\" inside width x 4\" length\u003c\/strong\u003e and is designed for trailer hardware locations where a U-shaped clamp fastener is required.\u003c\/p\u003e\n\u003cp\u003eU-bolts are commonly used to secure trailer components around frames, brackets, crossmembers, axle-related parts, bunk supports, roller supports, and other trailer hardware locations depending on the trailer model and setup. Correct measurement matters because U-bolts are not universal. The diameter, thread pitch, inside width, leg length, and bend shape all need to match the trailer application.\u003c\/p\u003e\n\u003cp\u003eThe zinc-plated finish helps reduce corrosion in marine trailer use. Zinc plating acts as a sacrificial coating, meaning the zinc helps corrode before the underlying steel. This makes zinc-plated U-bolts a practical factory-style hardware choice for boat trailers exposed to road spray, freshwater, saltwater, humidity, and ramp use.\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 15px; margin: 20px 0;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\" style=\"text-align: left; padding: 12px 14px; background: #12344d; color: #ffffff; font-size: 18px; border: 1px solid #d9e2e8;\"\u003eProduct Details\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 32%; padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003ePart Number:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e290-014674\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003ePart Type:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eTrailer U-bolt \/ U-bolt hardware\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eThread Size:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e1\/2\"-13 coarse thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eInside Width:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eLength:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eMaterial \/ Finish:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eZinc-plated steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eColor:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eZinc \/ silver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eFits:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eCompatible EZ Loader trailer applications requiring a 1\/2\"-13 x 2\" x 4\" zinc-plated U-bolt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eApplication Type:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eBoat trailer hardware, bracket hardware, bunk hardware, roller hardware, suspension-related hardware, and frame-mounted fastening applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eFunction:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eHelps clamp or secure compatible trailer components where a 2\" inside-width U-bolt with 4\" leg length is required.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eWhy Buyers Like This Part:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eFactory-style EZ Loader hardware, zinc-plated finish, common 1\/2\"-13 thread, useful for replacing rusted, bent, missing, or damaged U-bolts.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eImportant Fitment Note:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eConfirm thread size, inside width, leg length, and trailer application before ordering. U-bolts are dimension-specific and should not be guessed by appearance alone.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eU-Bolt 1\/2\"-13 x 2\" x 4\" Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eReplacement zinc-plated U-bolt for compatible EZ Loader trailer hardware\u003c\/li\u003e\n\u003cli\u003e1\/2\"-13 coarse-thread design\u003c\/li\u003e\n\u003cli\u003e2\" inside width\u003c\/li\u003e\n\u003cli\u003e4\" length\u003c\/li\u003e\n\u003cli\u003eUseful for trailer bracket, bunk, roller, frame, or suspension-related hardware service\u003c\/li\u003e\n\u003cli\u003eHelps replace rusted, bent, worn, or missing U-bolts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTypical EZ Loader Trailer Applications\u003c\/h3\u003e\n\u003cp\u003eThis U-bolt may be used on compatible EZ Loader trailer hardware where a \u003cstrong\u003e1\/2\"-13 x 2\" x 4\"\u003c\/strong\u003e zinc-plated U-bolt is required. Common use areas may include trailer brackets, bunk supports, roller supports, frame-mounted hardware, guide hardware, and suspension-related fastening points depending on the trailer model.\u003c\/p\u003e\n\u003cp\u003eBecause EZ Loader trailers use multiple U-bolt sizes, always compare the old U-bolt, bracket location, thread size, inside width, and leg length before ordering.\u003c\/p\u003e\n\u003ch3\u003eWhy EZ Loader Uses Zinc-Plated U-Bolts\u003c\/h3\u003e\n\u003cp\u003eEZ Loader uses zinc-plated hardware in many trailer applications because it provides a practical balance of strength, corrosion resistance, serviceability, and cost. The zinc coating helps protect the steel fastener and slows corrosion in wet, humid, freshwater, and saltwater trailer environments.\u003c\/p\u003e\n\u003cp\u003eZinc plating acts as a sacrificial layer. In simple terms, the zinc coating is designed to corrode before the steel underneath. This helps reduce rust on the bolt and limits corrosion around the hardware contact point when the trailer is exposed to water, salt, and road spray.\u003c\/p\u003e\n\u003cp\u003eFor best results, replace U-bolts that are heavily rusted, bent, stretched, rounded, or damaged during trailer service.\u003c\/p\u003e\n\u003ch3\u003eImportant Difference: U-Bolt Width and Length Matter\u003c\/h3\u003e\n\u003cp\u003eThis part is a \u003cstrong\u003e1\/2\"-13 x 2\" x 4\" U-bolt\u003c\/strong\u003e. The inside width and leg length must match the trailer hardware location.\u003c\/p\u003e\n\u003cp\u003eA U-bolt that is too narrow may not fit around the frame, bracket, or part being clamped. A U-bolt that is too wide may not hold the component correctly. A U-bolt that is too short may not allow proper nut engagement, while one that is too long may interfere with nearby trailer parts.\u003c\/p\u003e\n\u003ch3\u003eAssociated \/ Compatible Parts\u003c\/h3\u003e\n\u003cp\u003eThese parts may be commonly used with compatible EZ Loader U-bolt hardware. Confirm your specific application before ordering.\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 15px; margin: 20px 0;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"padding: 12px 14px; background: #12344d; color: #ffffff; border: 1px solid #d9e2e8;\"\u003ePart Description\u003c\/th\u003e\n\u003cth style=\"padding: 12px 14px; background: #12344d; color: #ffffff; border: 1px solid #d9e2e8;\"\u003ePart Number\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e\u003ca href=\"\/products\/ez-loader-hex-locknut-zinc-plated-290-002598\"\u003eHex Locknut 1\/2\"-13 Zinc Plated Grade 5\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e290-002598\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e\u003ca href=\"\/collections\/zinc-trailer-u-bolts-for-ez-loader\"\u003eZinc Trailer U-Bolts for EZ Loader\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eCollection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eInstallation Considerations\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eConfirm the old U-bolt dimensions before ordering.\u003c\/li\u003e\n\u003cli\u003eMeasure the thread size, inside width, and overall leg length.\u003c\/li\u003e\n\u003cli\u003eInspect the bracket, frame, mounting plate, and mating hardware before reassembly.\u003c\/li\u003e\n\u003cli\u003eUse compatible 1\/2\"-13 nuts and washers if required by the application.\u003c\/li\u003e\n\u003cli\u003eReplace bent, rusted, stretched, cracked, or damaged U-bolts before towing.\u003c\/li\u003e\n\u003cli\u003eDo not reuse U-bolts that show heavy corrosion, thread damage, or deformation.\u003c\/li\u003e\n\u003cli\u003eTighten hardware to the proper specification for the trailer application.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eU-Bolt Fitment Guidance\u003c\/h3\u003e\n\u003cp\u003eThis is not a universal trailer U-bolt.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConfirm the thread size is 1\/2\"-13.\u003c\/li\u003e\n\u003cli\u003eConfirm the inside width is 2\".\u003c\/li\u003e\n\u003cli\u003eConfirm the length is 4\".\u003c\/li\u003e\n\u003cli\u003eConfirm the shape and bend radius match the trailer application.\u003c\/li\u003e\n\u003cli\u003eCompare the old U-bolt and mounting location before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReal-World Insight\u003c\/h3\u003e\n\u003cp\u003eU-bolts often look simple, but they carry clamping load in important trailer hardware locations. If the U-bolt is stretched, bent, heavily rusted, or has damaged threads, it may not clamp correctly. When replacing trailer brackets, bunks, rollers, suspension hardware, or frame-mounted parts, matching the correct U-bolt dimensions helps keep the assembly secure.\u003c\/p\u003e\n\u003ch3\u003eQuestions or Need Help Matching Parts?\u003c\/h3\u003e\n\u003cp\u003eWe’re based in \u003cstrong\u003eHardeeville, South Carolina\u003c\/strong\u003e, serving customers nationwide.\u003c\/p\u003e\n\u003cp\u003e📞 Call us — we answer the phone and help you get it right.\u003cbr\u003e📧 Send photos if needed — often the fastest way to confirm U-bolt size, bracket location, and trailer hardware fitment.\u003c\/p\u003e\n\u003cp\u003eWe focus on \u003cstrong\u003ematching parts correctly the first time\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cdiv style=\"border: 1px solid #d9e2e8; background: #f6f9fb; padding: 16px 18px; margin: 24px 0; border-radius: 6px;\"\u003e\n\u003ch3 style=\"margin-top: 0;\"\u003eIndependent EZ Loader Parts Dealer Notice\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eEZLoaderParts411.com\u003c\/strong\u003e and \u003cstrong\u003eEZLoaderTrailers411.com\u003c\/strong\u003e are distributor and dealer-resource websites for EZ Loader boat trailers and EZ Loader OEM replacement parts. These websites are operated by the \u003cstrong\u003e411Marine team\u003c\/strong\u003e, an independent brick-and-mortar trailer dealer specializing in EZ Loader trailers, OEM replacement parts, and fitment support.\u003c\/p\u003e\n\u003cp\u003eOur reputation and long history with EZ Loader products may be what brought you here. We appreciate that trust, but we want the relationship to be clear: we are a dealer resource, not the manufacturer.\u003c\/p\u003e\n\u003cp\u003eWe support our previous trailer customers and welcome new customers who need help identifying the correct EZ Loader parts. At our Hardeeville, South Carolina store, we keep new model trailers on site and use real trailers, real measurements, photos, and hands-on comparison whenever possible to help verify parts before customers order.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eWhat to Have Ready When You Call\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eTrailer year, make, and model\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eVIN, if available\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOld U-bolt thread size\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eInside width measurement\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOverall leg length measurement\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHardware location on the trailer\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003ePhotos of the old U-bolt, bracket, frame, or mounting location\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"EZ Loader","offers":[{"title":"Default Title","offer_id":52897104855405,"sku":"290-014674","price":4.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/3761\/6493\/files\/EZLoader290-014674SquareU-BoltZinc.5in-13tpix2inx4inStraightShot.jpg?v=1778612043"},{"product_id":"ez-loader-u-bolt-zinc-plated-290-002423","title":"U-Bolt 3\/8\"-16 x 1-1\/2\" x 2-3\/8\" Zinc Plated 290-002423","description":"\u003ch2\u003eU-Bolt 3\/8\"-16 x 1-1\/2\" x 2-3\/8\" Zinc Plated 290-002423\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eSmall EZ Loader Trailer U-Bolt\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eU-Bolt 3\/8\"-16 x 1-1\/2\" x 2-3\/8\" Zinc Plated 290-002423\u003c\/strong\u003e is a replacement trailer hardware fastener used on compatible EZ Loader boat trailers. This U-bolt measures \u003cstrong\u003e3\/8\"-16 thread x 1-1\/2\" inside width x 2-3\/8\" length\u003c\/strong\u003e and is used where a smaller U-shaped clamp fastener is required.\u003c\/p\u003e\n\u003cp\u003eU-bolts are commonly used to secure trailer components around brackets, guides, supports, frame-mounted hardware, bunk hardware, roller hardware, and other trailer attachment points depending on the trailer model and setup. Correct measurement matters because U-bolts are not universal. The diameter, thread pitch, inside width, leg length, and bend shape all need to match the trailer application.\u003c\/p\u003e\n\u003cp\u003eThe zinc-plated finish helps reduce corrosion in marine trailer use. Zinc plating acts as a sacrificial coating, meaning the zinc helps corrode before the underlying steel. This makes zinc-plated U-bolts a practical factory-style hardware choice for boat trailers exposed to road spray, freshwater, saltwater, humidity, and ramp use.\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 15px; margin: 20px 0;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\" style=\"text-align: left; padding: 12px 14px; background: #12344d; color: #ffffff; font-size: 18px; border: 1px solid #d9e2e8;\"\u003eProduct Details\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 32%; padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003ePart Number:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e290-002423\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003ePart Type:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eTrailer U-bolt \/ U-bolt hardware\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eThread Size:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e3\/8\"-16 coarse thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eInside Width:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e1-1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eLength:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e2-3\/8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eMaterial \/ Finish:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eZinc-plated steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eColor:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eZinc \/ silver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eFits:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eCompatible EZ Loader trailer applications requiring a 3\/8\"-16 x 1-1\/2\" x 2-3\/8\" zinc-plated U-bolt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eApplication Type:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eBoat trailer hardware, bracket hardware, guide hardware, bunk hardware, roller hardware, and frame-mounted fastening applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eFunction:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eHelps clamp or secure compatible trailer components where a 1-1\/2\" inside-width U-bolt with 2-3\/8\" leg length is required.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eWhy Buyers Like This Part:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eFactory-style EZ Loader hardware, zinc-plated finish, compact 3\/8\"-16 size, useful for replacing rusted, bent, missing, or damaged U-bolts.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eImportant Fitment Note:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eConfirm thread size, inside width, leg length, and trailer application before ordering. U-bolts are dimension-specific and should not be guessed by appearance alone.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eU-Bolt 3\/8\"-16 x 1-1\/2\" x 2-3\/8\" Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eReplacement zinc-plated U-bolt for compatible EZ Loader trailer hardware\u003c\/li\u003e\n\u003cli\u003e3\/8\"-16 coarse-thread design\u003c\/li\u003e\n\u003cli\u003e1-1\/2\" inside width\u003c\/li\u003e\n\u003cli\u003e2-3\/8\" length\u003c\/li\u003e\n\u003cli\u003eUseful for trailer bracket, guide, bunk, roller, or frame-mounted hardware service\u003c\/li\u003e\n\u003cli\u003eHelps replace rusted, bent, worn, or missing U-bolts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTypical EZ Loader Trailer Applications\u003c\/h3\u003e\n\u003cp\u003eThis U-bolt may be used on compatible EZ Loader trailer hardware where a \u003cstrong\u003e3\/8\"-16 x 1-1\/2\" x 2-3\/8\"\u003c\/strong\u003e zinc-plated U-bolt is required. Common use areas may include trailer brackets, guide supports, bunk supports, roller supports, frame-mounted hardware, and smaller trailer fastening points depending on the trailer model.\u003c\/p\u003e\n\u003cp\u003eBecause EZ Loader trailers use multiple U-bolt sizes, always compare the old U-bolt, bracket location, thread size, inside width, and leg length before ordering.\u003c\/p\u003e\n\u003ch3\u003eWhy EZ Loader Uses Zinc-Plated U-Bolts\u003c\/h3\u003e\n\u003cp\u003eEZ Loader uses zinc-plated hardware in many trailer applications because it provides a practical balance of strength, corrosion resistance, serviceability, and cost. The zinc coating helps protect the steel fastener and slows corrosion in wet, humid, freshwater, and saltwater trailer environments.\u003c\/p\u003e\n\u003cp\u003eZinc plating acts as a sacrificial layer. In simple terms, the zinc coating is designed to corrode before the steel underneath. This helps reduce rust on the bolt and limits corrosion around the hardware contact point when the trailer is exposed to water, salt, and road spray.\u003c\/p\u003e\n\u003cp\u003eFor best results, replace U-bolts that are heavily rusted, bent, stretched, rounded, or damaged during trailer service.\u003c\/p\u003e\n\u003ch3\u003eImportant Difference: U-Bolt Width and Length Matter\u003c\/h3\u003e\n\u003cp\u003eThis part is a \u003cstrong\u003e3\/8\"-16 x 1-1\/2\" x 2-3\/8\" U-bolt\u003c\/strong\u003e. The inside width and leg length must match the trailer hardware location.\u003c\/p\u003e\n\u003cp\u003eA U-bolt that is too narrow may not fit around the frame, bracket, or part being clamped. A U-bolt that is too wide may not hold the component correctly. A U-bolt that is too short may not allow proper nut engagement, while one that is too long may interfere with nearby trailer parts.\u003c\/p\u003e\n\u003ch3\u003eAssociated \/ Compatible Parts\u003c\/h3\u003e\n\u003cp\u003eThese parts may be commonly used with compatible EZ Loader U-bolt hardware. Confirm your specific application before ordering.\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 15px; margin: 20px 0;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"padding: 12px 14px; background: #12344d; color: #ffffff; border: 1px solid #d9e2e8;\"\u003ePart Description\u003c\/th\u003e\n\u003cth style=\"padding: 12px 14px; background: #12344d; color: #ffffff; border: 1px solid #d9e2e8;\"\u003ePart Number\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e\u003ca href=\"\/products\/ez-loader-hex-locknut-zinc-plated-290-002598\"\u003eHex Locknut 1\/2\"-13 Zinc Plated Grade 5\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e290-002598\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e\u003ca href=\"\/collections\/zinc-bolts-for-ez-loader-trailers\"\u003eZinc Bolts for EZ Loader Trailers\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eCollection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e The 1\/2\"-13 locknut shown above is a related hardware item, but it may not fit this 3\/8\"-16 U-bolt. Confirm the correct nut size and thread pitch for your specific U-bolt before ordering.\u003c\/p\u003e\n\u003ch3\u003eInstallation Considerations\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eConfirm the old U-bolt dimensions before ordering.\u003c\/li\u003e\n\u003cli\u003eMeasure the thread size, inside width, and overall leg length.\u003c\/li\u003e\n\u003cli\u003eInspect the bracket, frame, mounting plate, and mating hardware before reassembly.\u003c\/li\u003e\n\u003cli\u003eUse compatible 3\/8\"-16 nuts and washers if required by the application.\u003c\/li\u003e\n\u003cli\u003eReplace bent, rusted, stretched, cracked, or damaged U-bolts before towing.\u003c\/li\u003e\n\u003cli\u003eDo not reuse U-bolts that show heavy corrosion, thread damage, or deformation.\u003c\/li\u003e\n\u003cli\u003eTighten hardware to the proper specification for the trailer application.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eU-Bolt Fitment Guidance\u003c\/h3\u003e\n\u003cp\u003eThis is not a universal trailer U-bolt.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConfirm the thread size is 3\/8\"-16.\u003c\/li\u003e\n\u003cli\u003eConfirm the inside width is 1-1\/2\".\u003c\/li\u003e\n\u003cli\u003eConfirm the length is 2-3\/8\".\u003c\/li\u003e\n\u003cli\u003eConfirm the shape and bend radius match the trailer application.\u003c\/li\u003e\n\u003cli\u003eCompare the old U-bolt and mounting location before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReal-World Insight\u003c\/h3\u003e\n\u003cp\u003eU-bolts often look simple, but they carry clamping load in important trailer hardware locations. If the U-bolt is stretched, bent, heavily rusted, or has damaged threads, it may not clamp correctly. When replacing trailer brackets, guides, bunks, rollers, or frame-mounted parts, matching the correct U-bolt dimensions helps keep the assembly secure.\u003c\/p\u003e\n\u003ch3\u003eQuestions or Need Help Matching Parts?\u003c\/h3\u003e\n\u003cp\u003eWe’re based in \u003cstrong\u003eHardeeville, South Carolina\u003c\/strong\u003e, serving customers nationwide.\u003c\/p\u003e\n\u003cp\u003e📞 Call us — we answer the phone and help you get it right.\u003cbr\u003e📧 Send photos if needed — often the fastest way to confirm U-bolt size, bracket location, and trailer hardware fitment.\u003c\/p\u003e\n\u003cp\u003eWe focus on \u003cstrong\u003ematching parts correctly the first time\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cdiv style=\"border: 1px solid #d9e2e8; background: #f6f9fb; padding: 16px 18px; margin: 24px 0; border-radius: 6px;\"\u003e\n\u003ch3 style=\"margin-top: 0;\"\u003eIndependent EZ Loader Parts Dealer Notice\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eEZLoaderParts411.com\u003c\/strong\u003e and \u003cstrong\u003eEZLoaderTrailers411.com\u003c\/strong\u003e are distributor and dealer-resource websites for EZ Loader boat trailers and EZ Loader OEM replacement parts. These websites are operated by the \u003cstrong\u003e411Marine team\u003c\/strong\u003e, an independent brick-and-mortar trailer dealer specializing in EZ Loader trailers, OEM replacement parts, and fitment support.\u003c\/p\u003e\n\u003cp\u003eOur reputation and long history with EZ Loader products may be what brought you here. We appreciate that trust, but we want the relationship to be clear: we are a dealer resource, not the manufacturer.\u003c\/p\u003e\n\u003cp\u003eWe support our previous trailer customers and welcome new customers who need help identifying the correct EZ Loader parts. At our Hardeeville, South Carolina store, we keep new model trailers on site and use real trailers, real measurements, photos, and hands-on comparison whenever possible to help verify parts before customers order.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eWhat to Have Ready When You Call\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eTrailer year, make, and model\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eVIN, if available\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOld U-bolt thread size\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eInside width measurement\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOverall leg length measurement\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHardware location on the trailer\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003ePhotos of the old U-bolt, bracket, frame, or mounting location\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"EZ Loader","offers":[{"title":"Default Title","offer_id":52897104888173,"sku":"290-002423","price":2.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/3761\/6493\/files\/EZLoader290-002423ZincCoated3-8-16tpix1.5x23-8inStraightOn.jpg?v=1778600066"},{"product_id":"ez-loader-u-bolt-zinc-plated-290-021380","title":"U-Bolt 1\/2\"-13 x 2-1\/8\" x 5-1\/2\" Zinc Plated 290-021380","description":"\u003ch2\u003eU-Bolt 1\/2\"-13 x 2-1\/8\" x 5-1\/2\" Zinc Plated 290-021380\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eEZ Loader Trailer U-Bolt\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eU-Bolt 1\/2\"-13 x 2-1\/8\" x 5-1\/2\" Zinc Plated 290-021380\u003c\/strong\u003e is a replacement trailer hardware fastener used on compatible EZ Loader boat trailers. This U-bolt measures \u003cstrong\u003e1\/2\"-13 thread x 2-1\/8\" inside width x 5-1\/2\" length\u003c\/strong\u003e and is designed for trailer hardware locations where a U-shaped clamp fastener is required.\u003c\/p\u003e\n\u003cp\u003eU-bolts are commonly used to secure trailer components around frames, brackets, crossmembers, axle-related parts, bunk supports, roller supports, and other trailer hardware locations depending on the trailer model and setup. Correct measurement matters because U-bolts are not universal. The diameter, thread pitch, inside width, leg length, and bend shape all need to match the trailer application.\u003c\/p\u003e\n\u003cp\u003eThe zinc-plated finish helps reduce corrosion in marine trailer use. Zinc plating acts as a sacrificial coating, meaning the zinc helps corrode before the underlying steel. This makes zinc-plated U-bolts a practical factory-style hardware choice for boat trailers exposed to road spray, freshwater, saltwater, humidity, and ramp use.\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 15px; margin: 20px 0;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\" style=\"text-align: left; padding: 12px 14px; background: #12344d; color: #ffffff; font-size: 18px; border: 1px solid #d9e2e8;\"\u003eProduct Details\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 32%; padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003ePart Number:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e290-021380\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003ePart Type:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eTrailer U-bolt \/ U-bolt hardware\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eThread Size:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e1\/2\"-13 coarse thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eInside Width:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e2-1\/8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eLength:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e5-1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eMaterial \/ Finish:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eZinc-plated steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eColor:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eZinc \/ silver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eFits:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eCompatible EZ Loader trailer applications requiring a 1\/2\"-13 x 2-1\/8\" x 5-1\/2\" zinc-plated U-bolt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eApplication Type:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eBoat trailer hardware, bracket hardware, bunk hardware, roller hardware, suspension-related hardware, and frame-mounted fastening applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eFunction:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eHelps clamp or secure compatible trailer components where a 2-1\/8\" inside-width U-bolt with 5-1\/2\" leg length is required.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eWhy Buyers Like This Part:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eFactory-style EZ Loader hardware, zinc-plated finish, common 1\/2\"-13 thread, useful for replacing rusted, bent, missing, or damaged U-bolts.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eImportant Fitment Note:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eConfirm thread size, inside width, leg length, and trailer application before ordering. U-bolts are dimension-specific and should not be guessed by appearance alone.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eU-Bolt 1\/2\"-13 x 2-1\/8\" x 5-1\/2\" Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eReplacement zinc-plated U-bolt for compatible EZ Loader trailer hardware\u003c\/li\u003e\n\u003cli\u003e1\/2\"-13 coarse-thread design\u003c\/li\u003e\n\u003cli\u003e2-1\/8\" inside width\u003c\/li\u003e\n\u003cli\u003e5-1\/2\" length\u003c\/li\u003e\n\u003cli\u003eUseful for trailer bracket, bunk, roller, frame, or suspension-related hardware service\u003c\/li\u003e\n\u003cli\u003eHelps replace rusted, bent, worn, or missing U-bolts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTypical EZ Loader Trailer Applications\u003c\/h3\u003e\n\u003cp\u003eThis U-bolt may be used on compatible EZ Loader trailer hardware where a \u003cstrong\u003e1\/2\"-13 x 2-1\/8\" x 5-1\/2\"\u003c\/strong\u003e zinc-plated U-bolt is required. Common use areas may include trailer brackets, bunk supports, roller supports, frame-mounted hardware, guide hardware, and suspension-related fastening points depending on the trailer model.\u003c\/p\u003e\n\u003cp\u003eBecause EZ Loader trailers use multiple U-bolt sizes, always compare the old U-bolt, bracket location, thread size, inside width, and leg length before ordering.\u003c\/p\u003e\n\u003ch3\u003eWhy EZ Loader Uses Zinc-Plated U-Bolts\u003c\/h3\u003e\n\u003cp\u003eEZ Loader uses zinc-plated hardware in many trailer applications because it provides a practical balance of strength, corrosion resistance, serviceability, and cost. The zinc coating helps protect the steel fastener and slows corrosion in wet, humid, freshwater, and saltwater trailer environments.\u003c\/p\u003e\n\u003cp\u003eZinc plating acts as a sacrificial layer. In simple terms, the zinc coating is designed to corrode before the steel underneath. This helps reduce rust on the bolt and limits corrosion around the hardware contact point when the trailer is exposed to water, salt, and road spray.\u003c\/p\u003e\n\u003cp\u003eFor best results, replace U-bolts that are heavily rusted, bent, stretched, rounded, or damaged during trailer service.\u003c\/p\u003e\n\u003ch3\u003eImportant Difference: U-Bolt Width and Length Matter\u003c\/h3\u003e\n\u003cp\u003eThis part is a \u003cstrong\u003e1\/2\"-13 x 2-1\/8\" x 5-1\/2\" U-bolt\u003c\/strong\u003e. The inside width and leg length must match the trailer hardware location.\u003c\/p\u003e\n\u003cp\u003eA U-bolt that is too narrow may not fit around the frame, bracket, or part being clamped. A U-bolt that is too wide may not hold the component correctly. A U-bolt that is too short may not allow proper nut engagement, while one that is too long may interfere with nearby trailer parts.\u003c\/p\u003e\n\u003ch3\u003eAssociated \/ Compatible Parts\u003c\/h3\u003e\n\u003cp\u003eThese parts may be commonly used with compatible EZ Loader U-bolt hardware. Confirm your specific application before ordering.\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 15px; margin: 20px 0;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"padding: 12px 14px; background: #12344d; color: #ffffff; border: 1px solid #d9e2e8;\"\u003ePart Description\u003c\/th\u003e\n\u003cth style=\"padding: 12px 14px; background: #12344d; color: #ffffff; border: 1px solid #d9e2e8;\"\u003ePart Number\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e\u003ca href=\"\/products\/ez-loader-hex-locknut-zinc-plated-290-002598\"\u003eHex Locknut 1\/2\"-13 Zinc Plated Grade 5\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e290-002598\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e\u003ca href=\"\/collections\/zinc-bolts-for-ez-loader-trailers\"\u003eZinc Bolts for EZ Loader Trailers\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eCollection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eInstallation Considerations\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eConfirm the old U-bolt dimensions before ordering.\u003c\/li\u003e\n\u003cli\u003eMeasure the thread size, inside width, and overall leg length.\u003c\/li\u003e\n\u003cli\u003eInspect the bracket, frame, mounting plate, and mating hardware before reassembly.\u003c\/li\u003e\n\u003cli\u003eUse compatible 1\/2\"-13 nuts and washers if required by the application.\u003c\/li\u003e\n\u003cli\u003eReplace bent, rusted, stretched, cracked, or damaged U-bolts before towing.\u003c\/li\u003e\n\u003cli\u003eDo not reuse U-bolts that show heavy corrosion, thread damage, or deformation.\u003c\/li\u003e\n\u003cli\u003eTighten hardware to the proper specification for the trailer application.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eU-Bolt Fitment Guidance\u003c\/h3\u003e\n\u003cp\u003eThis is not a universal trailer U-bolt.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConfirm the thread size is 1\/2\"-13.\u003c\/li\u003e\n\u003cli\u003eConfirm the inside width is 2-1\/8\".\u003c\/li\u003e\n\u003cli\u003eConfirm the length is 5-1\/2\".\u003c\/li\u003e\n\u003cli\u003eConfirm the shape and bend radius match the trailer application.\u003c\/li\u003e\n\u003cli\u003eCompare the old U-bolt and mounting location before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReal-World Insight\u003c\/h3\u003e\n\u003cp\u003eU-bolts often look simple, but they carry clamping load in important trailer hardware locations. If the U-bolt is stretched, bent, heavily rusted, or has damaged threads, it may not clamp correctly. When replacing trailer brackets, bunks, rollers, suspension hardware, or frame-mounted parts, matching the correct U-bolt dimensions helps keep the assembly secure.\u003c\/p\u003e\n\u003ch3\u003eQuestions or Need Help Matching Parts?\u003c\/h3\u003e\n\u003cp\u003eWe’re based in \u003cstrong\u003eHardeeville, South Carolina\u003c\/strong\u003e, serving customers nationwide.\u003c\/p\u003e\n\u003cp\u003e📞 Call us — we answer the phone and help you get it right.\u003cbr\u003e📧 Send photos if needed — often the fastest way to confirm U-bolt size, bracket location, and trailer hardware fitment.\u003c\/p\u003e\n\u003cp\u003eWe focus on \u003cstrong\u003ematching parts correctly the first time\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cdiv style=\"border: 1px solid #d9e2e8; background: #f6f9fb; padding: 16px 18px; margin: 24px 0; border-radius: 6px;\"\u003e\n\u003ch3 style=\"margin-top: 0;\"\u003eIndependent EZ Loader Parts Dealer Notice\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eEZLoaderParts411.com\u003c\/strong\u003e and \u003cstrong\u003eEZLoaderTrailers411.com\u003c\/strong\u003e are distributor and dealer-resource websites for EZ Loader boat trailers and EZ Loader OEM replacement parts. These websites are operated by the \u003cstrong\u003e411Marine team\u003c\/strong\u003e, an independent brick-and-mortar trailer dealer specializing in EZ Loader trailers, OEM replacement parts, and fitment support.\u003c\/p\u003e\n\u003cp\u003eOur reputation and long history with EZ Loader products may be what brought you here. We appreciate that trust, but we want the relationship to be clear: we are a dealer resource, not the manufacturer.\u003c\/p\u003e\n\u003cp\u003eWe support our previous trailer customers and welcome new customers who need help identifying the correct EZ Loader parts. At our Hardeeville, South Carolina store, we keep new model trailers on site and use real trailers, real measurements, photos, and hands-on comparison whenever possible to help verify parts before customers order.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eWhat to Have Ready When You Call\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eTrailer year, make, and model\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eVIN, if available\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOld U-bolt thread size\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eInside width measurement\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOverall leg length measurement\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHardware location on the trailer\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003ePhotos of the old U-bolt, bracket, frame, or mounting location\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"EZ Loader","offers":[{"title":"Default Title","offer_id":52897105346925,"sku":"290-021380","price":5.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/3761\/6493\/files\/EZLoader290-021380SquareU-BoltZincPlated.5in-13TPIx2inx5.5inStraightShot.jpg?v=1778615092"},{"product_id":"ez-loader-u-bolt-zinc-plated-290-027532","title":"U-Bolt 1\/2\"-13 x 3\" x 5-3\/4\" Zinc Plated 290-027532","description":"\u003cp\u003e\u003cstrong\u003eEZ Loader Trailer U-Bolt\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eU-Bolt 1\/2\"-13 x 3\" x 5-3\/4\" Zinc Plated 290-027532\u003c\/strong\u003e is a replacement trailer hardware fastener used on compatible EZ Loader boat trailers. This U-bolt measures \u003cstrong\u003e1\/2\"-13 thread x 3\" inside width x 5-3\/4\" length\u003c\/strong\u003e and is designed for trailer hardware locations where a wider U-shaped clamp fastener is required.\u003c\/p\u003e\n\u003cp\u003eU-bolts are commonly used to secure trailer components around frames, brackets, crossmembers, bunk supports, roller supports, and other trailer hardware locations depending on the trailer model and setup. Correct measurement matters because U-bolts are not universal. The diameter, thread pitch, inside width, leg length, and bend shape all need to match the trailer application.\u003c\/p\u003e\n\u003cp\u003eThe zinc-plated finish helps reduce corrosion in marine trailer use. Zinc plating acts as a sacrificial coating, meaning the zinc helps corrode before the underlying steel. This makes zinc-plated U-bolts a practical factory-style hardware choice for boat trailers exposed to road spray, freshwater, saltwater, humidity, and ramp use.\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 15px; margin: 20px 0;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; padding: 12px 14px; background: #12344d; color: #ffffff; font-size: 18px; border: 1px solid #d9e2e8;\" colspan=\"2\"\u003eProduct Details\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 32%; padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003ePart Number:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e290-027532\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003ePart Type:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eTrailer U-bolt \/ U-bolt hardware\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eThread Size:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e1\/2\"-13 coarse thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eInside Width:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e3\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eLength:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e5-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eMaterial \/ Finish:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eZinc-plated steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eColor:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eZinc \/ silver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eFits:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eCompatible EZ Loader trailer applications requiring a 1\/2\"-13 x 3\" x 5-3\/4\" zinc-plated U-bolt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eApplication Type:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eBoat trailer hardware, bunk hardware, bracket hardware, roller hardware, suspension-related hardware, and frame-mounted fastening applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eFunction:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eHelps clamp or secure compatible trailer components where a 3\" inside-width U-bolt with 5-3\/4\" leg length is required.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eWhy Buyers Like This Part:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eFactory-style EZ Loader hardware, zinc-plated finish, common 1\/2\"-13 thread, wider 3\" inside width, useful for replacing rusted, bent, missing, or damaged U-bolts.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; font-weight: bold; border: 1px solid #d9e2e8; background: #eaf3f8;\"\u003eImportant Fitment Note:\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eConfirm thread size, inside width, leg length, and trailer application before ordering. U-bolts are dimension-specific and should not be guessed by appearance alone.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eU-Bolt 1\/2\"-13 x 3\" x 5-3\/4\" Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eReplacement zinc-plated U-bolt for compatible EZ Loader trailer hardware\u003c\/li\u003e\n\u003cli\u003e1\/2\"-13 coarse-thread design\u003c\/li\u003e\n\u003cli\u003e3\" inside width\u003c\/li\u003e\n\u003cli\u003e5-3\/4\" length\u003c\/li\u003e\n\u003cli\u003eUseful for trailer bunk, bracket, roller, frame, or suspension-related hardware service\u003c\/li\u003e\n\u003cli\u003eHelps replace rusted, bent, worn, or missing U-bolts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTypical EZ Loader Trailer Applications\u003c\/h3\u003e\n\u003cp\u003eThis U-bolt may be used on compatible EZ Loader trailer hardware where a \u003cstrong\u003e1\/2\"-13 x 3\" x 5-3\/4\"\u003c\/strong\u003e zinc-plated U-bolt is required. Common use areas may include bunk hardware, bracket hardware, roller supports, frame-mounted hardware, guide hardware, and suspension-related fastening points depending on the trailer model.\u003c\/p\u003e\n\u003cp\u003eBecause EZ Loader trailers use multiple U-bolt sizes, always compare the old U-bolt, bracket location, thread size, inside width, and leg length before ordering.\u003c\/p\u003e\n\u003ch3\u003eWhy EZ Loader Uses Zinc-Plated U-Bolts\u003c\/h3\u003e\n\u003cp\u003eEZ Loader uses zinc-plated hardware in many trailer applications because it provides a practical balance of strength, corrosion resistance, serviceability, and cost. The zinc coating helps protect the steel fastener and slows corrosion in wet, humid, freshwater, and saltwater trailer environments.\u003c\/p\u003e\n\u003cp\u003eZinc plating acts as a sacrificial layer. In simple terms, the zinc coating is designed to corrode before the steel underneath. This helps reduce rust on the bolt and limits corrosion around the hardware contact point when the trailer is exposed to water, salt, and road spray.\u003c\/p\u003e\n\u003cp\u003eFor best results, replace U-bolts that are heavily rusted, bent, stretched, rounded, or damaged during trailer service.\u003c\/p\u003e\n\u003ch3\u003eImportant Difference: U-Bolt Width and Length Matter\u003c\/h3\u003e\n\u003cp\u003eThis part is a \u003cstrong\u003e1\/2\"-13 x 3\" x 5-3\/4\" U-bolt\u003c\/strong\u003e. The inside width and leg length must match the trailer hardware location.\u003c\/p\u003e\n\u003cp\u003eA U-bolt that is too narrow may not fit around the frame, bracket, or part being clamped. A U-bolt that is too wide may not hold the component correctly. A U-bolt that is too short may not allow proper nut engagement, while one that is too long may interfere with nearby trailer parts.\u003c\/p\u003e\n\u003ch3\u003eAssociated \/ Compatible Parts\u003c\/h3\u003e\n\u003cp\u003eThese parts may be commonly used with compatible EZ Loader U-bolt hardware. Confirm your specific application before ordering.\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 15px; margin: 20px 0;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"padding: 12px 14px; background: #12344d; color: #ffffff; border: 1px solid #d9e2e8;\"\u003ePart Description\u003c\/th\u003e\n\u003cth style=\"padding: 12px 14px; background: #12344d; color: #ffffff; border: 1px solid #d9e2e8;\"\u003ePart Number\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e\u003ca href=\"\/products\/ez-loader-hex-locknut-zinc-plated-290-002598\"\u003eHex Locknut 1\/2\"-13 Zinc Plated Grade 5\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e290-002598\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003e\u003ca href=\"\/collections\/zinc-trailer-u-bolts-for-ez-loader\"\u003eZinc Trailer U-Bolts for EZ Loader\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 14px; border: 1px solid #d9e2e8;\"\u003eCollection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eInstallation Considerations\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eConfirm the old U-bolt dimensions before ordering.\u003c\/li\u003e\n\u003cli\u003eMeasure the thread size, inside width, and overall leg length.\u003c\/li\u003e\n\u003cli\u003eInspect the bracket, frame, mounting plate, and mating hardware before reassembly.\u003c\/li\u003e\n\u003cli\u003eUse compatible 1\/2\"-13 nuts and washers if required by the application.\u003c\/li\u003e\n\u003cli\u003eReplace bent, rusted, stretched, cracked, or damaged U-bolts before towing.\u003c\/li\u003e\n\u003cli\u003eDo not reuse U-bolts that show heavy corrosion, thread damage, or deformation.\u003c\/li\u003e\n\u003cli\u003eTighten hardware to the proper specification for the trailer application.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eU-Bolt Fitment Guidance\u003c\/h3\u003e\n\u003cp\u003eThis is not a universal trailer U-bolt.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConfirm the thread size is 1\/2\"-13.\u003c\/li\u003e\n\u003cli\u003eConfirm the inside width is 3\".\u003c\/li\u003e\n\u003cli\u003eConfirm the length is 5-3\/4\".\u003c\/li\u003e\n\u003cli\u003eConfirm the shape and bend radius match the trailer application.\u003c\/li\u003e\n\u003cli\u003eCompare the old U-bolt and mounting location before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReal-World Insight\u003c\/h3\u003e\n\u003cp\u003eU-bolts often look simple, but they carry clamping load in important trailer hardware locations. If the U-bolt is stretched, bent, heavily rusted, or has damaged threads, it may not clamp correctly. When replacing trailer brackets, bunks, rollers, suspension hardware, or frame-mounted parts, matching the correct U-bolt dimensions helps keep the assembly secure.\u003c\/p\u003e\n\u003ch3\u003eQuestions or Need Help Matching Parts?\u003c\/h3\u003e\n\u003cp\u003eWe’re based in \u003cstrong\u003eHardeeville, South Carolina\u003c\/strong\u003e, serving customers nationwide.\u003c\/p\u003e\n\u003cp\u003e📞 Call us — we answer the phone and help you get it right.\u003cbr\u003e📧 Send photos if needed — often the fastest way to confirm U-bolt size, bracket location, and trailer hardware fitment.\u003c\/p\u003e\n\u003cp\u003eWe focus on \u003cstrong\u003ematching parts correctly the first time\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cdiv style=\"border: 1px solid #d9e2e8; background: #f6f9fb; padding: 16px 18px; margin: 24px 0; border-radius: 6px;\"\u003e\n\u003ch3 style=\"margin-top: 0;\"\u003eIndependent EZ Loader Parts Dealer Notice\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eEZLoaderParts411.com\u003c\/strong\u003e and \u003cstrong\u003eEZLoaderTrailers411.com\u003c\/strong\u003e are distributor and dealer-resource websites for EZ Loader boat trailers and EZ Loader OEM replacement parts. These websites are operated by the \u003cstrong\u003e411Marine team\u003c\/strong\u003e, an independent brick-and-mortar trailer dealer specializing in EZ Loader trailers, OEM replacement parts, and fitment support.\u003c\/p\u003e\n\u003cp\u003eOur reputation and long history with EZ Loader products may be what brought you here. We appreciate that trust, but we want the relationship to be clear: we are a dealer resource, not the manufacturer.\u003c\/p\u003e\n\u003cp\u003eWe support our previous trailer customers and welcome new customers who need help identifying the correct EZ Loader parts. At our Hardeeville, South Carolina store, we keep new model trailers on site and use real trailers, real measurements, photos, and hands-on comparison whenever possible to help verify parts before customers order.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eWhat to Have Ready When You Call\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eTrailer year, make, and model\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eVIN, if available\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOld U-bolt thread size\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eInside width measurement\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOverall leg length measurement\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHardware location on the trailer\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003ePhotos of the old U-bolt, bracket, frame, or mounting location\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"EZ Loader","offers":[{"title":"Default Title","offer_id":52897105641837,"sku":"290-027532","price":5.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/3761\/6493\/files\/EZLoader290-027532SquareU-BoltZincPlated.5in-13tpix3inx5.75inStraight.jpg?v=1778617924"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/3761\/6493\/collections\/290-002496U-bolt0.5x3x6.5ontrailer.jpg?v=1774397693","url":"https:\/\/ezloaderparts411.com\/collections\/zinc-trailer-u-bolts.oembed","provider":"EZLoaderParts411.com","version":"1.0","type":"link"}