{"product_id":"dorman-946-857-drive-shaft-rear","title":"Dorman 946-857 Drive Shaft - Rear","description":"\u003ch2\u003eDrive Shaft for Ford F-350 Super Duty\u003c\/h2\u003e\u003cp\u003eThis Dorman drive shaft assembly is built for rear driveline service on the 1999-2002 Ford F-350 Super Duty with dual rear wheels (DRW). Part number 946-857 is a direct replacement style assembly that arrives pre-balanced for installation and includes new yokes, tubes, and joints as specified by the manufacturer.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFits 1999-2002 Ford F-350 Super Duty, rear, w\/Dual Rear Wheels (DRW)\u003c\/li\u003e\n\u003cli\u003eSteel shaft construction for driveline strength\u003c\/li\u003e\n\u003cli\u003ePre-balanced assembly for smoother operation\u003c\/li\u003e\n\u003cli\u003eSlip yoke included\u003c\/li\u003e\n\u003cli\u003eGreaseable drive shaft design\u003c\/li\u003e\n\u003cli\u003eAdjustable overall length for application-specific fitment\u003c\/li\u003e\n\u003cli\u003eDrive shaft length: 70.125 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\u003cli\u003ePart number 946-857\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eDorman 946-857 is a rear drive shaft assembly for the Ford F-350 Super Duty, engineered for DRW applications from 1999 through 2002. It uses a steel shaft and a greaseable design, with an adjustable overall length to match the vehicle’s driveline requirements. The assembly is pre-balanced and supplied with 100% new yokes, tubes, constant velocity joints, and universal joints according to the manufacturer’s description, helping simplify replacement of a worn or damaged driveline component. This part cross-references Ford OE number XC3Z4R602AD for the same application.\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 or yokes\u003c\/li\u003e\n\u003cli\u003eExcessive play in the rear driveline assembly\u003c\/li\u003e\n\u003cli\u003eDamage to the original shaft tube or slip yoke\u003c\/li\u003e\n\u003cli\u003eService issues on a Ford F-350 Super Duty rear driveline with DRW configuration\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify rear axle and wheel configuration before ordering, since this part is listed for Ford F-350 Super Duty models with dual rear wheels. Confirm driveshaft length, slip yoke engagement, and flange or joint interface against the original assembly before installation. Inspect related driveline components, including mounts and differential connections, so the replacement shaft can be installed on a clean, properly aligned system. Part number 946-857 is intended for rear position use on the listed application.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDorman manufactures this drive shaft assembly as a complete replacement unit with new core components and pre-balanced construction for consistent fit and operation. The product is backed by Dorman’s standard replacement-part manufacturing quality.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":52798266867893,"sku":"BKKY-946-857","price":1106.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_946857_FRO.jpg?v=1784009785","url":"https:\/\/www.partcatalog.com\/products\/dorman-946-857-drive-shaft-rear","provider":"PartCatalog","version":"1.0","type":"link"}