{"product_id":"spicer-u-joint-kit-5-3212x-1555wj-series-isr-1-375-cap-3-737-span-pre-filled-triple-lip-seal","title":"Spicer U-Joint Kit 5-3212X (1555WJ Series ISR) 1.375\" Cap, 3.737\" Span — Pre-filled, Triple-Lip Seal","description":"\u003cp\u003e\u003cstrong\u003eThe Spicer 5-3212X U-Joint Kit (1555WJ Series, ISR) is a premium, non-greaseable universal joint engineered for long life, high strength, and reliable sealing in demanding driveline applications.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eBuilt to the Spicer Life standard, this universal joint kit combines cold-formed journal crosses, precision bearing caps, and a robust triple-lip seal with an external seal guard to resist contamination. Each trunnion includes generous grease reservoirs and is factory-filled with synthetic lithium grease to reduce friction and withstand elevated operating temperatures. Designed for inside snap ring (ISR) installations, the 1555WJ Series fits applications that require a 1.375\" bearing cap diameter and a 3.737\" length between snap rings.\u003c\/p\u003e\n\n\u003ch3\u003eWhat makes the 5-3212X stronger than standard U-joints?\u003c\/h3\u003e\n\u003cp\u003eThis Spicer Life series joint uses cold-formed steel journal crosses for improved tensile strength and fatigue resistance. Manufacturing precision and material selection target extended service life under heavy loads.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCold-formed high-grade steel crosses for enhanced durability\u003c\/li\u003e\n  \u003cli\u003ePrecision-machined bearing caps to reduce play and wear\u003c\/li\u003e\n  \u003cli\u003eFactory-filled synthetic lithium grease for lower friction and heat tolerance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the sealing system protect the joint in harsh conditions?\u003c\/h3\u003e\n\u003cp\u003eThe joint employs a triple-lip seal combined with an external seal guard to keep contaminants out and lubricant in. This layered sealing approach reduces ingress of dirt, water, and debris—helpful in off-road, industrial, or high-mileage settings.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTriple-lip internal seal for multiple sealing barriers\u003c\/li\u003e\n  \u003cli\u003eExternal seal guard for added protection against impacts and contamination\u003c\/li\u003e\n  \u003cli\u003eNon-greaseable design prevents over- or improper greasing in sealed installations\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich dimensions and installation style should I check before buying?\u003c\/h3\u003e\n\u003cp\u003eConfirm the bearing cap diameter and the length between snap rings to ensure fitment. The Spicer 5-3212X is configured for inside snap ring (ISR) installation and matches many driveshaft and driveline assemblies that call for 1555WJ Series dimensions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBearing cap diameter: 1.375 inches (measure bore size)\u003c\/li\u003e\n  \u003cli\u003eLength between snap rings: 3.737 inches (verify shaft spacing)\u003c\/li\u003e\n  \u003cli\u003eInside Snap Ring (ISR) style—fits housings designed for internal snap rings\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy choose a pre-filled, non-greaseable Spicer Life joint?\u003c\/h3\u003e\n\u003cp\u003eA pre-filled, non-greaseable unit reduces maintenance points and the risk of incorrect lubrication while offering high-temperature grease designed for longevity. It’s a practical option where sealing reliability and consistent lubrication are priorities.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePre-filled synthetic lithium grease for consistent factory lubrication\u003c\/li\u003e\n  \u003cli\u003eNon-greaseable construction minimizes maintenance needs and contamination risk\u003c\/li\u003e\n  \u003cli\u003eSnap ring retention simplifies installation in compatible housings\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Spicer 5-3212X U-Joint Kit is aimed at professionals, mechanics, fleet managers, and knowledgeable DIYers who need a robust, sealed universal joint for heavy-duty driveshafts or other driveline components. It suits applications requiring ISR installation, reliable contamination resistance, and a factory-filled lubricant for reduced upkeep.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the 5-3212X greasable?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No, it's a non-greaseable Spicer Life series joint, factory-filled with synthetic lithium grease.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What are the key dimensions to confirm for fit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Check bearing cap diameter 1.375\" and length between snap rings 3.737\"; it uses an inside snap ring (ISR) style.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Spicer","offers":[{"title":"Default Title","offer_id":48080257679518,"sku":"B018OGIPTO","price":117.17,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/spicer-5-3212x-front-view.jpg?v=1785780199","url":"https:\/\/northtrailauto.ca\/products\/spicer-u-joint-kit-5-3212x-1555wj-series-isr-1-375-cap-3-737-span-pre-filled-triple-lip-seal","provider":"North Trail Auto","version":"1.0","type":"link"}