{"product_id":"ez-loader-4-delrin-structural-washer-290-017329","title":"EZ Loader 4\" Delrin Structural Washer (Crossmember Mount) | 290-017329","description":"\u003c!-- ABOVE THE FOLD --\u003e\n\u003cp\u003e\u003cstrong\u003eOEM EZ Loader 4\" Delrin washer designed for structural connection points on galvanized boat trailers—used where crossmembers attach to the main frame (“boom”).\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis is not a standard washer. It is a large-format \u003cstrong\u003estructural isolation washer\u003c\/strong\u003e used to manage friction, protect surfaces, and maintain long-term integrity at key frame connection points.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eUsed at crossmember-to-frame connections\u003c\/li\u003e\n\u003cli\u003eIsolates metal-to-metal contact\u003c\/li\u003e\n\u003cli\u003eDistributes load across a wider surface\u003c\/li\u003e\n\u003cli\u003eProtects galvanized coatings from wear\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003e👉 Not sure if this is the correct washer? Call us—we’ll help you match it properly.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003c!-- FITMENT WARNING --\u003e\n\u003cdiv style=\"border:1px solid #d9534f; background:#fff5f5; padding:12px; margin:12px 0;\"\u003e\n\u003cstrong\u003e⚠️ Important Fitment Note:\u003c\/strong\u003e\u003cbr\u003e\nDesigned for \u003cstrong\u003estructural crossmember mounting points only.\u003c\/strong\u003e\u003cbr\u003e\nThis washer is \u003cstrong\u003eNOT intended\u003c\/strong\u003e for small hardware, bracket mounting, or general-purpose use.\n\u003c\/div\u003e\n\n\u003c!-- DETAILS --\u003e\n\u003cp\u003e\u003cstrong\u003ePart Name:\u003c\/strong\u003e 4\" Delrin Structural Washer\u003cbr\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 290-017329\u003c\/p\u003e\n\n\u003ch3\u003eWhat This Washer Does\u003c\/h3\u003e\n\u003cp\u003eAt crossmember-to-frame connections, trailer structures experience load transfer, vibration, and slight movement during towing and launching. This washer is installed between those components to:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIsolate metal-to-metal contact\u003c\/li\u003e\n\u003cli\u003eDistribute load across a wider surface\u003c\/li\u003e\n\u003cli\u003eAllow controlled movement without binding\u003c\/li\u003e\n\u003cli\u003eProtect galvanized coatings from wear\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eMaterial: Delrin (Why It’s Used)\u003c\/h3\u003e\n\u003cp\u003eMade from \u003cstrong\u003eDelrin (acetal)\u003c\/strong\u003e—a high-performance engineered plastic, not nylon.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eVery low friction (self-lubricating)\u003c\/li\u003e\n\u003cli\u003eHigh strength and rigidity\u003c\/li\u003e\n\u003cli\u003eExcellent wear resistance\u003c\/li\u003e\n\u003cli\u003eDimensional stability (does not absorb moisture)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Not Metal Washers\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCreate metal-to-metal contact\u003c\/li\u003e\n\u003cli\u003eWear through protective coatings\u003c\/li\u003e\n\u003cli\u003eIncrease friction and binding\u003c\/li\u003e\n\u003cli\u003eLead to corrosion over time\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDelrin acts as a \u003cstrong\u003eprotective interface\u003c\/strong\u003e between components.\u003c\/p\u003e\n\n\u003ch3\u003eDesigned for Galvanized Trailers\u003c\/h3\u003e\n\u003cp\u003eUsed on EZ Loader galvanized trailers at crossmember mounting points where protection and controlled movement are critical.\u003cbr\u003e\n\u003cstrong\u003e👉 Structural application—not general hardware use.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eFitment Clarification\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFor large structural connection points\u003c\/li\u003e\n\u003cli\u003eNot for bracket mounting\u003c\/li\u003e\n\u003cli\u003eNot for light-duty hardware\u003c\/li\u003e\n\u003cli\u003eNot a general-purpose washer\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSmaller Delrin Washer Option\u003c\/h3\u003e\n\u003cp\u003eFor smaller mounting applications:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e👉 \u003ca href=\"\/products\/ez-loader-delrin-washer-galvanized-trailer-290-023061\"\u003e1.38\" Delrin Washer (290-023061)\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBolt-level surface protection\u003c\/li\u003e\n\u003cli\u003eBracket mounting points\u003c\/li\u003e\n\u003cli\u003eAluminum and galvanized trailers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e290-017329\u003c\/strong\u003e = structural interface washer\u003cbr\u003e\n\u003cstrong\u003e290-023061\u003c\/strong\u003e = hardware protection washer\u003c\/p\u003e\n\n\u003ch3\u003eWhy This Part Matters\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e👉 Protects critical structural connection points.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePrevents metal wear\u003c\/li\u003e\n\u003cli\u003eProtects coatings\u003c\/li\u003e\n\u003cli\u003eReduces corrosion risk\u003c\/li\u003e\n\u003cli\u003eEliminates noise and binding\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eReal-World Insight\u003c\/h3\u003e\n\u003cp\u003eAt 411-Trailers Group in Hardeeville, SC, customers regularly visit to compare parts and understand real-world function. Images reflect actual inventory from our location.\u003c\/p\u003e\n\n\u003ch3\u003eFinal Note\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e👉 This is not just a washer—it is part of the structural design of the trailer.\u003c\/strong\u003e\u003cbr\u003e\nCorrect size and application ensure proper fitment, protection, and long-term performance.\u003c\/p\u003e","brand":"EZLoaderParts411.com","offers":[{"title":"Default Title","offer_id":52897100366189,"sku":"290-017329","price":3.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/3761\/6493\/files\/EZLoader290-017329DerlinStructuralWasher4inWideStraightShot.jpg?v=1778699343","url":"https:\/\/ezloaderparts411.com\/products\/ez-loader-4-delrin-structural-washer-290-017329","provider":"EZLoaderParts411.com","version":"1.0","type":"link"}