{"product_id":"dorman-946-363-drive-shaft-rear","title":"Dorman 946-363 Drive Shaft - Rear","description":"\u003ch2\u003eDorman 946-363 Drive Shaft for Heavy-Duty Rear Applications\u003c\/h2\u003e\u003cp\u003eDorman 946-363 is a complete steel drive shaft assembly for rear applications on select Chevrolet Silverado 3500 HD and GMC Sierra 3500 HD Crew Cab models. It is pre-balanced for installation and built with new yokes, tubes, CV joints, and universal joints to simplify driveline replacement.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSteel drive shaft construction\u003c\/li\u003e\n\u003cli\u003ePre-balanced assembly for direct replacement work\u003c\/li\u003e\n\u003cli\u003eGreaseable drive shaft design\u003c\/li\u003e\n\u003cli\u003eOverall length adjustable\u003c\/li\u003e\n\u003cli\u003e109.62 in drive shaft length\u003c\/li\u003e\n\u003cli\u003e3.5 in shaft diameter\u003c\/li\u003e\n\u003cli\u003e0.083 in wall thickness\u003c\/li\u003e\n\u003cli\u003ePackage contents: 1 driveshaft\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eThis Dorman drive shaft, part number 946-363, is built for rear driveline service on 2011-2016 Chevrolet Silverado 3500 HD and 2011-2016 GMC Sierra 3500 HD Crew Cab configurations listed in the fitment data. The steel shaft uses a greaseable design and adjustable overall length to support proper driveline setup during replacement. It is a direct-fit driveline component for owners searching for a rear drive shaft for Chevrolet Silverado 3500 HD Crew Cab or a rear drive shaft for GMC Sierra 3500 HD Crew Cab.\u003c\/p\u003e\u003cp\u003eThis part cross-references OE number 20914857 for the same application.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Address\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 worn joints or yokes\u003c\/li\u003e\n\u003cli\u003eService issues caused by damaged steel tubing\u003c\/li\u003e\n\u003cli\u003eFitment problems when the original shaft is no longer serviceable\u003c\/li\u003e\n\u003cli\u003eGrease service needs on a rear drive shaft assembly\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify rear position, Crew Cab configuration, and wheelbase details before installation. Confirm shaft length, flange interfaces, and driveline alignment against the removed component. Because the assembly is adjustable overall length, final setup should be checked carefully during installation to maintain proper driveline geometry.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDorman supplies this drive shaft as a complete replacement assembly with new yokes, tubes, CV joints, and universal joints, and it is pre-balanced for installation. Part number 946-363 is engineered for the listed heavy-duty Chevrolet and GMC applications.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":52798254252213,"sku":"BKKY-946-363","price":1156.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_946363_Fro.jpg?v=1784007956","url":"https:\/\/www.partcatalog.com\/products\/dorman-946-363-drive-shaft-rear","provider":"PartCatalog","version":"1.0","type":"link"}