{"product_id":"2x2-axle-u-bolt-tie-plate-kit-300-015975","title":"Leaf Spring Axle U-Bolt \u0026 Tie Plate Kit – 2 Springs, 2\" × 2\" | 300-015975","description":"\u003ch2\u003eLeaf Spring Axle U-Bolt \u0026amp; Tie Plate Kit – 2 Springs, 2\" × 2\" Axle\u003c\/h2\u003e\n\u003cp\u003eThe EZ Loader Leaf Spring Axle U-Bolt \u0026amp; Tie Plate Kit, part number 300-015975, is an OEM replacement suspension mounting kit designed to secure\u003cstrong\u003e \u003c\/strong\u003etwo leaf springs to one compatible 2\" × 2\" square axle on\u003cstrong\u003e \u003c\/strong\u003eEZ Loader boat trailers.\u003c\/p\u003e\n\u003cp\u003eThis complete kit includes (2) spring tie plates, (4) zinc-coated U-bolts, and (8) lock nuts, providing the mounting hardware for both leaf spring attachment locations on one compatible axle.\u003c\/p\u003e\n\u003cp\u003eWhether replacing corroded mounting hardware, servicing a trailer suspension system, or rebuilding an axle assembly, this kit provides the specified components together under one EZ Loader OEM part number.\u003c\/p\u003e\n\u003ch3\u003eComplete Kit Contents – Hardware for Two Leaf Springs\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e(2) Spring Tie Plates\u003c\/strong\u003e – One plate for each leaf spring mounting location.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e(4) Zinc-Coated U-Bolts\u003c\/strong\u003e – Two U-bolts for each spring mounting location.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e(8) Lock Nuts\u003c\/strong\u003e – Four lock nuts for each spring mounting location.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eOne kit services two leaf springs on one compatible axle.\u003c\/strong\u003e For tandem-axle trailers with four leaf springs, two kits are generally required, provided both axles use this same mounting configuration.\u003c\/p\u003e\n\u003ch3\u003eProduct Details\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; border: 1px solid #cbd5dc; font-size: 14px;\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\" style=\"background-color: #12344d; color: #ffffff; text-align: left; padding: 12px; border: 1px solid #cbd5dc;\"\u003eProduct Details\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 38%; background-color: #f8fbfc; border: 1px solid #cbd5dc; padding: 10px;\"\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #cbd5dc; padding: 10px;\"\u003eEZ Loader\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: #f8fbfc; border: 1px solid #cbd5dc; padding: 10px;\"\u003e\u003cstrong\u003eOEM Part Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #cbd5dc; padding: 10px;\"\u003e300-015975\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: #f8fbfc; border: 1px solid #cbd5dc; padding: 10px;\"\u003e\u003cstrong\u003ePart Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #cbd5dc; padding: 10px;\"\u003eLeaf Spring Axle U-Bolt \u0026amp; Tie Plate Kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: #f8fbfc; border: 1px solid #cbd5dc; padding: 10px;\"\u003e\u003cstrong\u003eAxle Tube Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #cbd5dc; padding: 10px;\"\u003e2\" × 2\" Square Axle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: #f8fbfc; border: 1px solid #cbd5dc; padding: 10px;\"\u003e\u003cstrong\u003eSuspension Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #cbd5dc; padding: 10px;\"\u003eLeaf Spring Suspension\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: #f8fbfc; border: 1px solid #cbd5dc; padding: 10px;\"\u003e\u003cstrong\u003eSpring Tie Plates Included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #cbd5dc; padding: 10px;\"\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: #f8fbfc; border: 1px solid #cbd5dc; padding: 10px;\"\u003e\u003cstrong\u003eZinc-Coated U-Bolts Included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #cbd5dc; padding: 10px;\"\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: #f8fbfc; border: 1px solid #cbd5dc; padding: 10px;\"\u003e\u003cstrong\u003eLock Nuts Included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #cbd5dc; padding: 10px;\"\u003e8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: #f8fbfc; border: 1px solid #cbd5dc; padding: 10px;\"\u003e\u003cstrong\u003eKit Coverage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #cbd5dc; padding: 10px;\"\u003e2 Leaf Springs \/ 1 Compatible Axle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: #f8fbfc; border: 1px solid #cbd5dc; padding: 10px;\"\u003e\u003cstrong\u003eHardware Finish\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #cbd5dc; padding: 10px;\"\u003eZinc-Coated U-Bolts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: #f8fbfc; border: 1px solid #cbd5dc; padding: 10px;\"\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #cbd5dc; padding: 10px;\"\u003eCompatible EZ Loader Boat Trailer Leaf Spring-to-Axle Mounting Assemblies\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: #f8fbfc; border: 1px solid #cbd5dc; padding: 10px;\"\u003e\u003cstrong\u003eImportant Fitment Note\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #cbd5dc; padding: 10px;\"\u003eVerify 2\" × 2\" square axle dimensions, spring width, U-bolt measurements, and tie plate configuration before ordering.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eSecure Leaf Spring-to-Axle Mounting\u003c\/h3\u003e\n\u003cp\u003eU-bolts and spring tie plates are essential components of a leaf spring trailer suspension system. Together, they clamp the axle and leaf spring assembly in the specified mounting arrangement, helping maintain proper axle positioning during normal trailer operation.\u003c\/p\u003e\n\u003cp\u003eEZ Loader part 300-015975 supplies the mounting hardware for both spring attachment points on one compatible axle, eliminating the need to order individual U-bolts, plates, and lock nuts separately.\u003c\/p\u003e\n\u003ch3\u003eZinc-Coated Hardware for Marine Trailer Applications\u003c\/h3\u003e\n\u003cp\u003eThe included U-bolts feature a zinc-coated finish to help resist corrosion. Boat trailer suspension components are regularly exposed to road spray, moisture, and demanding marine environments.\u003c\/p\u003e\n\u003cp\u003eRegular inspection of spring mounting hardware is important, particularly when trailers are frequently launched in saltwater or stored outdoors. Check for rust, damaged threads, loose fasteners, distorted tie plates, and evidence of movement between the spring and axle.\u003c\/p\u003e\n\u003ch3\u003eHow Many Kits Do You Need?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle-Axle Trailer:\u003c\/strong\u003e One kit for two compatible leaf springs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTandem-Axle Trailer:\u003c\/strong\u003e Two kits for four compatible leaf springs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTriple-Axle Trailer:\u003c\/strong\u003e Three kits for six compatible leaf springs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese quantities assume each axle has two leaf springs and uses the same 2\" × 2\" axle mounting configuration. Confirm compatibility for each axle before ordering.\u003c\/p\u003e\n\u003ch3\u003eFitment and Installation Information\u003c\/h3\u003e\n\u003cp\u003eThis kit is identified for compatible EZ Loader boat trailer leaf spring suspensions with a nominal 2\" × 2\" square axle tube. Axle tube dimensions alone do not guarantee fitment.\u003c\/p\u003e\n\u003cp\u003eBefore ordering, verify the existing U-bolt inside width, thread diameter, leg length, spring width, and tie plate hole spacing. Compare the original suspension arrangement with the intended replacement hardware.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInstallation Safety:\u003c\/strong\u003e Suspension mounting hardware must be installed and tightened according to the applicable EZ Loader and axle manufacturer specifications. Do not substitute generic torque values. Use proper support equipment during suspension service and follow manufacturer requirements for inspection and rechecking fastener torque.\u003c\/p\u003e\n\u003ch3\u003eOrdering and Fitment Assistance\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eSold as one complete kit:\u003c\/strong\u003e (2) spring tie plates, (4) zinc-coated U-bolts, and (8) lock nuts for two compatible leaf spring mounting locations.\u003c\/p\u003e\n\u003cp\u003eFor assistance identifying the correct EZ Loader suspension hardware, provide your trailer VIN, axle dimensions, and photographs of the existing spring mounting arrangement.\u003c\/p\u003e\n\u003ch3\u003eIndependent EZ Loader Parts Dealer Notice\u003c\/h3\u003e\n\u003cp\u003eEZLoaderParts411.com is an EZ Loader OEM replacement parts supplier operated by 411MarineCom, Inc. and the 411Marine Family, serving customers since 1998 from Hardeeville, South Carolina.\u003c\/p\u003e\n\u003cp\u003e411MarineCom is a high-volume independent EZ Loader trailer dealer and direct-to-factory source for new EZ Loader marine boat trailers, OEM replacement parts, and fitment support.\u003c\/p\u003e\n\u003cp\u003eWe are a dealer resource, not the manufacturer. Our team helps previous trailer customers and new customers identify the correct EZ Loader parts using trailer VIN details, photos, measurements, real trailer comparisons, hands-on parts experience, publicly available resources, our websites, and direct customer conversations whenever possible.\u003c\/p\u003e","brand":"EZ Loader","offers":[{"title":"Default Title","offer_id":53634541257069,"sku":"300-015975","price":39.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/3761\/6493\/files\/300-0159762x3AxleLeafSpringtoAxleMountKitontrailer_67dff853-1f20-4c4d-a5f4-a79c334eba1f.jpg?v=1767894080","url":"https:\/\/ezloaderparts411.com\/products\/2x2-axle-u-bolt-tie-plate-kit-300-015975","provider":"EZLoaderParts411.com","version":"1.0","type":"link"}