{"product_id":"luk-gdk321q-axle-differential-bearing-and-seal-kit-rear","title":"Luk GDK321Q Axle Differential Bearing and Seal Kit - Rear","description":"\u003ch2\u003eOE-Quality Differential Bearing Kit\u003c\/h2\u003e\u003cp\u003eThe LuK GDK321Q differential bearing kit provides the OE-quality bearings needed for a professional rear differential repair. It is built for service work on a wide range of GM full-size trucks and SUVs, including Chevrolet Silverado 1500, GMC Sierra 1500, and Cadillac Escalade applications.\u003c\/p\u003e\u003cp\u003eThis kit is a direct-fit service solution for rear standard differential repairs on select Chevrolet, GMC, Cadillac, and Saab vehicles. The GDK321Q is selected for the specific transmission and driveline application to support accurate bearing replacement during rebuild work.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eOE-quality differential bearing kit for professional repair work\u003c\/li\u003e\n\u003cli\u003eDesigned for rear standard differential applications\u003c\/li\u003e\n\u003cli\u003eApplication-specific components selected for the transmission or driveline setup\u003c\/li\u003e\n\u003cli\u003eCross-references Timken DRK321Q and interchange numbers 4620189100, SDK321Q\u003c\/li\u003e\n\u003cli\u003ePart number: GDK321Q\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eVehicle Fitment\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFits 2022 Chevrolet Silverado 1500 LTD, rear, Standard Differential Kit\u003c\/li\u003e\n\u003cli\u003eFits 2022 GMC Sierra 1500 Limited, rear, Standard Differential Kit\u003c\/li\u003e\n\u003cli\u003eFits 2009-2021 Chevrolet Silverado 1500, rear, Standard Differential Kit\u003c\/li\u003e\n\u003cli\u003eFits 2009-2021 GMC Sierra 1500, rear, Standard Differential Kit\u003c\/li\u003e\n\u003cli\u003eFits 2009-2020 Cadillac Escalade, rear, Standard Differential Kit\u003c\/li\u003e\n\u003cli\u003eFits 2009-2020 Cadillac Escalade ESV, rear, Standard Differential Kit\u003c\/li\u003e\n\u003cli\u003eFits 2009-2020 Chevrolet Tahoe, rear, Standard Differential Kit\u003c\/li\u003e\n\u003cli\u003eFits 2009-2020 GMC Yukon, rear, Standard Differential Kit\u003c\/li\u003e\n\u003cli\u003eFits 2015-2020 GMC Yukon XL, rear, Standard Differential Kit\u003c\/li\u003e\n\u003cli\u003eFits 2009-2014 Chevrolet Express 1500, rear, Standard Differential Kit\u003c\/li\u003e\n\u003cli\u003eFits 2009-2014 Chevrolet Suburban 1500, rear, Standard Differential Kit\u003c\/li\u003e\n\u003cli\u003eFits 2009-2014 GMC Savana 1500, rear, Standard Differential Kit\u003c\/li\u003e\n\u003cli\u003eFits 2009-2014 GMC Yukon XL 1500, rear, Standard Differential Kit\u003c\/li\u003e\n\u003cli\u003eFits 2009-2013 Cadillac Escalade EXT, rear, Standard Differential Kit\u003c\/li\u003e\n\u003cli\u003eFits 2009-2013 Chevrolet Avalanche, rear, Standard Differential Kit\u003c\/li\u003e\n\u003cli\u003eFits 2009-2012 Chevrolet Colorado, rear, Standard Differential Kit\u003c\/li\u003e\n\u003cli\u003eFits 2009-2012 GMC Canyon, rear, Standard Differential Kit\u003c\/li\u003e\n\u003cli\u003eFits 2009 GMC Envoy, rear, Standard Differential Kit\u003c\/li\u003e\n\u003cli\u003eFits 2009 Saab 9-7x, rear, Standard Differential Kit\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon Repair Uses\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRear differential bearing wear or noise\u003c\/li\u003e\n\u003cli\u003eGear whine during acceleration or deceleration\u003c\/li\u003e\n\u003cli\u003eExcessive play in differential components\u003c\/li\u003e\n\u003cli\u003eService replacement during differential rebuilds\u003c\/li\u003e\n\u003cli\u003eRestoring proper bearing support in the rear axle assembly\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cp\u003eVerify axle and differential configuration before ordering, since this kit is listed for standard rear differential applications only. Professional installation is recommended for differential service because bearing preload, gear setup, and inspection procedures are critical to repair quality.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eLuK states that this kit uses OE-quality bearings selected for the specific transmission application, supporting a professional-level repair standard. The GDK321Q is built as a service kit for rear differential bearing replacement on confirmed fitments such as Chevrolet Silverado 1500, GMC Sierra 1500, and Cadillac Escalade models.\u003c\/p\u003e","brand":"Luk","offers":[{"title":"Default Title","offer_id":52426312548533,"sku":"BBZH-GDK321Q","price":271.42,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/LK_GDK321Q_Fro.jpg?v=1777827112","url":"https:\/\/www.partcatalog.com\/products\/luk-gdk321q-axle-differential-bearing-and-seal-kit-rear","provider":"PartCatalog","version":"1.0","type":"link"}