{"product_id":"dorman-946-646-drive-shaft-rear","title":"Dorman 946-646 Drive Shaft - Rear","description":"\u003ch2\u003eRear Driveshaft for Ford F-350 Super Duty\u003c\/h2\u003e\u003cp\u003eThis Dorman drive shaft assembly is built for rear driveline replacement on select Ford F-350 Super Duty trucks. Part number 946-646 is a complete, pre-balanced assembly with new yokes, tubes, and joints to simplify service on the rear driveshaft.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSteel shaft construction for driveline strength\u003c\/li\u003e\n\u003cli\u003ePre-balanced assembly for direct replacement service\u003c\/li\u003e\n\u003cli\u003e100% new yokes, tubes, constant velocity joints, and universal joints\u003c\/li\u003e\n\u003cli\u003eSlip yoke included\u003c\/li\u003e\n\u003cli\u003eGreaseable drive shaft design\u003c\/li\u003e\n\u003cli\u003eOverall length adjustable for fitment needs\u003c\/li\u003e\n\u003cli\u003eDrive shaft length: 98.38 in\u003c\/li\u003e\n\u003cli\u003eShaft diameter: 3.5 in\u003c\/li\u003e\n\u003cli\u003eWall thickness: 0.083 in\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eDorman 946-646 is a rear drive shaft assembly for 2005-2007 Ford F-350 Super Duty SRW Extended Chassis Cab applications, including the 2006 Ford F-350 Super Duty rear with 162.0 inch wheelbase. This steel driveshaft is supplied as a pre-balanced replacement and uses all-new yokes, tubes, CV joints, and universal joints to restore driveline function without rebuilding the original shaft. It cross-references Ford 5C3Z4R602BA for the same application. If you are searching for a rear driveshaft for Ford F-350 Super Duty SRW Extended Chassis Cab or a replacement drive shaft assembly for 2005-2007 Ford F-350 Super Duty, part number 946-646 is the direct reference to verify.\u003c\/p\u003e\u003ch2\u003eCommon Problems This Part Can 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\u003c\/li\u003e\n\u003cli\u003eExcess play caused by damaged yokes or shaft components\u003c\/li\u003e\n\u003cli\u003eService issues related to a bent, fatigued, or corroded shaft\u003c\/li\u003e\n\u003cli\u003eFitment problems when replacing a damaged rear driveshaft assembly\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify rear position, SRW configuration, extended chassis cab application, and wheelbase before ordering. Confirm shaft length, slip yoke setup, and driveline measurements against the original unit prior to installation. Because this assembly is adjustable overall, final fit should be checked during installation to ensure proper driveline alignment and smooth operation. Use the vehicle’s service procedures for removal and installation of the rear driveshaft.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDorman supplies this replacement driveshaft as a complete assembly with new core components and pre-balanced construction for service-ready installation. Part number 946-646 is engineered as an OE-style replacement for the listed Ford F-350 Super Duty applications.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":52798262608053,"sku":"BKKY-946-646","price":1138.71,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_946646_Fro.jpg?v=1784009048","url":"https:\/\/www.partcatalog.com\/products\/dorman-946-646-drive-shaft-rear","provider":"PartCatalog","version":"1.0","type":"link"}