{"product_id":"skf-sdk321-k-axle-differential-bearing-and-seal-kit-rear","title":"SKF SDK321-K Axle Differential Bearing and Seal Kit - Rear","description":"\u003ch2\u003eSKF Axle Differential Bearing and Seal Kit SDK321-K\u003c\/h2\u003e\u003cp\u003eSKF SDK321-K is an axle differential bearing and seal kit for rear differential service on select GM, Cadillac, Buick, Isuzu, and Saab applications. It is built around the bearing and seal components needed for a complete differential repair, with premium bearings that include matched cones and cups and seals made to SKF standards with Bore-Tite coating for improved sealing performance.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePart number: SDK321-K\u003c\/li\u003e\n\u003cli\u003eAxle differential bearing and seal kit for rear service\u003c\/li\u003e\n\u003cli\u003eInside diameter: 11.0000\u003c\/li\u003e\n\u003cli\u003eWidth: 2.500\u003c\/li\u003e\n\u003cli\u003eBearing type: DIFF2TP\u003c\/li\u003e\n\u003cli\u003eIncludes high-quality bearings, seals, and gaskets where applicable\u003c\/li\u003e\n\u003cli\u003eMatched bearing cones and cups supplied as a set\u003c\/li\u003e\n\u003cli\u003eSKF seal design with Bore-Tite coating for enhanced sealing performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eSKF SDK321-K is engineered for rear differential repair on vehicles using 8.50-inch and 8.625-inch ring gears in the listed applications. It is a practical choice for service work on models such as the Chevrolet Silverado 1500, GMC Sierra 1500, and Cadillac Escalade, where bearing wear or seal leakage can affect differential operation. This part cross-references 1T434 and 1458LM603049 for the same application.\u003c\/p\u003e\u003cp\u003eSKF packages the core components needed for a complete repair, helping reduce repeat teardown work caused by missing wear items. The kit is intended for service technicians and DIY repairers who need a direct-fit differential bearing and seal solution for rear axle maintenance.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Repair\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRear differential bearing noise\u003c\/li\u003e\n\u003cli\u003eGear oil leaks at the differential seal area\u003c\/li\u003e\n\u003cli\u003eWear-related driveline vibration from bearing deterioration\u003c\/li\u003e\n\u003cli\u003eService issues during differential rebuilds on 8.50-inch and 8.625-inch ring gear applications\u003c\/li\u003e\n\u003cli\u003eRepeat repairs caused by replacing only part of the wear set\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Fitment\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFits 2003-2008 Cadillac Escalade, rear\u003c\/li\u003e\n\u003cli\u003eFits 2003-2008 Cadillac Escalade ESV, rear\u003c\/li\u003e\n\u003cli\u003eFits 2003-2008 Cadillac Escalade EXT, rear\u003c\/li\u003e\n\u003cli\u003eFits 2007-2008 Chevrolet Avalanche, rear\u003c\/li\u003e\n\u003cli\u003eFits 2003-2008 Chevrolet Express 1500, rear\u003c\/li\u003e\n\u003cli\u003eFits 2003-2008 Chevrolet Silverado 1500, rear\u003c\/li\u003e\n\u003cli\u003eFits 2003-2008 Chevrolet Suburban 1500, rear\u003c\/li\u003e\n\u003cli\u003eFits 2003-2008 Chevrolet Tahoe, rear\u003c\/li\u003e\n\u003cli\u003eFits 2007-2008 Chevrolet Trailblazer, rear\u003c\/li\u003e\n\u003cli\u003eFits 2007-2008 GMC Envoy, rear\u003c\/li\u003e\n\u003cli\u003eFits 2003-2008 GMC Savana 1500, rear\u003c\/li\u003e\n\u003cli\u003eFits 2003-2008 GMC Sierra 1500, rear\u003c\/li\u003e\n\u003cli\u003eFits 2003-2008 GMC Yukon, rear\u003c\/li\u003e\n\u003cli\u003eFits 2003-2008 GMC Yukon XL 1500, rear\u003c\/li\u003e\n\u003cli\u003eFits 2003-2008 Isuzu Ascender, rear\u003c\/li\u003e\n\u003cli\u003eFits 2005-2008 Saab 9-7x, rear\u003c\/li\u003e\n\u003cli\u003eFits 2004-2007 Buick Rainier, rear\u003c\/li\u003e\n\u003cli\u003eFits 2007 Chevrolet Silverado 1500 Classic, rear\u003c\/li\u003e\n\u003cli\u003eFits 2007 Chevrolet Silverado 1500 HD Classic, rear\u003c\/li\u003e\n\u003cli\u003eFits 2007 GMC Sierra 1500 Classic, rear\u003c\/li\u003e\n\u003cli\u003eFits 2007 GMC Sierra 1500 HD Classic, rear\u003c\/li\u003e\n\u003cli\u003eFits 2007 GMC Yukon XL 2500, rear\u003c\/li\u003e\n\u003cli\u003eFits 2003-2006 Chevrolet SSR, rear\u003c\/li\u003e\n\u003cli\u003eFits 2003-2005 Chevrolet Avalanche 1500, rear\u003c\/li\u003e\n\u003cli\u003eFits 1999-2000 Isuzu Hombre, rear\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eVerify ring gear size before ordering; listed applications require 8.50-inch or 8.625-inch rear ring gear configurations. Part number SDK321-K should be matched to the axle and differential specification during service.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eSKF manufactures these kits to meet or exceed original equipment specifications, using premium bearing components and seals built to SKF standards. The kit is designed for long service life and dependable differential repair performance.\u003c\/p\u003e","brand":"SKF","offers":[{"title":"Default Title","offer_id":52401878433973,"sku":"BCNB-SDK321-K","price":209.28,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/CR_SDK321K_Top.jpg?v=1777759736","url":"https:\/\/www.partcatalog.com\/products\/skf-sdk321-k-axle-differential-bearing-and-seal-kit-rear","provider":"PartCatalog","version":"1.0","type":"link"}