{"product_id":"dorman-946-584-drive-shaft-rear","title":"Dorman 946-584 Drive Shaft - Rear","description":"\u003ch2\u003eRear Drive Shaft for Silverado and Sierra HD\u003c\/h2\u003e\u003cp\u003eThis Dorman drive shaft assembly is built for rear applications on select Chevrolet Silverado 2500 HD and GMC Sierra 2500 HD trucks. Part number 946-584 is a complete replacement shaft that arrives pre-balanced for direct installation on listed vehicles.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSteel shaft construction for driveline strength\u003c\/li\u003e\n\u003cli\u003e69.25 in. drive shaft length with 3.5 in. shaft diameter\u003c\/li\u003e\n\u003cli\u003e0.083 in. wall thickness\u003c\/li\u003e\n\u003cli\u003eSlip yoke included\u003c\/li\u003e\n\u003cli\u003eOverall length adjustable for fitment alignment\u003c\/li\u003e\n\u003cli\u003e100% new yokes, tubes, CV joints, and universal joints per manufacturer description\u003c\/li\u003e\n\u003cli\u003ePre-balanced assembly for smoother operation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Overview\u003c\/h2\u003e\u003cp\u003eDorman 946-584 is a rear drive shaft assembly for 2001-2004 Chevrolet Silverado 2500 HD and 2001-2004 GMC Sierra 2500 HD applications listed below. It is engineered as a complete replacement driveline component with steel construction, a slip yoke, and adjustable overall length to match the specified rear axle configuration. This part number 946-584 is also referenced for the same application under cross-reference numbers 15024402 and GMP-031.\u003c\/p\u003e\u003cp\u003eFits 2001-2003 Chevrolet Silverado 2500 HD, rear. Fits 2004 Chevrolet Silverado 2500 HD, rear, First Design (30 mm U-Joint Bearing Cups); ID GF1, NJ5. Fits 2001-2003 GMC Sierra 2500 HD, rear. Fits 2004 GMC Sierra 2500 HD, rear, First Design (30 mm U-Joint Bearing Cups); ID GF1, NJ5.\u003c\/p\u003e\u003ch2\u003eCommon Issues This Part Addresses\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVibration from a worn or out-of-balance rear driveshaft\u003c\/li\u003e\n\u003cli\u003eClunking or driveline noise from damaged joints or yokes\u003c\/li\u003e\n\u003cli\u003eExcessive play in the slip yoke area\u003c\/li\u003e\n\u003cli\u003eCorrosion or fatigue in the original steel shaft\u003c\/li\u003e\n\u003cli\u003eFitment problems when replacing a damaged rear drive shaft on Silverado 2500 HD or Sierra 2500 HD trucks\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify rear application, wheelbase, and the 2004 first-design notes before installation. Confirm the 30 mm U-joint bearing cup specification and vehicle identifiers GF1 or NJ5 where listed. Inspect companion driveline components, mounting points, and flange surfaces before installing Dorman 946-584.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eThis Dorman drive shaft assembly is supplied as a pre-balanced replacement with new internal driveline components noted by the manufacturer. It is built for the listed Chevrolet Silverado 2500 HD and GMC Sierra 2500 HD rear applications and follows Dorman replacement-part construction standards.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":52798259265717,"sku":"BKKY-946-584","price":446.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_946584_Fro.jpg?v=1784008698","url":"https:\/\/www.partcatalog.com\/products\/dorman-946-584-drive-shaft-rear","provider":"PartCatalog","version":"1.0","type":"link"}