{"product_id":"dorman-946-660-drive-shaft-rear","title":"Dorman 946-660 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 applications on the 2008-2010 Ford F-350 Super Duty with Single Rear Wheel and Extended Chassis Cab configurations. Part number 946-660 is a direct-fit driveline replacement with a pre-balanced design and new yokes, tubes, and joints for a ready-to-install assembly.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFits 2008-2010 Ford F-350 Super Duty, rear\u003c\/li\u003e\n\u003cli\u003eSingle Rear Wheel (SRW) and Extended Chassis Cab application\u003c\/li\u003e\n\u003cli\u003eSteel shaft construction with 3.5 in diameter\u003c\/li\u003e\n\u003cli\u003e96.26 in drive shaft length and 0.083 in wall thickness\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\u003c\/li\u003e\n\u003cli\u003ePre-balanced complete assembly\u003c\/li\u003e\n\u003cli\u003ePart number 946-660\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eDorman 946-660 is a replacement drive shaft assembly for rear driveline service on the Ford F-350 Super Duty. It is built with steel tubing and a 3.5-inch shaft diameter, along with a 96.26-inch overall length and 0.083-inch wall thickness. The assembly includes a slip yoke and an adjustable overall length to support proper driveline fitment in the specified SRW Extended Chassis Cab configuration. This part cross-references Ford OE number 7C3Z4R602ER for the same application.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Fix\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 shaft components\u003c\/li\u003e\n\u003cli\u003eExcess play caused by damaged yokes or joints\u003c\/li\u003e\n\u003cli\u003eService issues from a bent, corroded, or fatigued shaft\u003c\/li\u003e\n\u003cli\u003eFitment problems when replacing the original rear shaft on a Ford F-350 Super Duty\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify rear application, wheel configuration, and chassis cab setup before installation. Confirm driveshaft length and slip yoke engagement against the original part to ensure correct driveline geometry. Inspect related driveline components, including mounts and axle-side interfaces, during replacement. Part number 946-660 is intended for the listed Ford F-350 Super Duty fitment only.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDorman supplies this drive shaft as a complete replacement assembly with pre-balancing and new core components for consistent fit and function. The design supports direct replacement service for the specified Ford F-350 Super Duty rear application.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":52798263165109,"sku":"BKKY-946-660","price":885.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_946660_Fro.jpg?v=1784009145","url":"https:\/\/www.partcatalog.com\/products\/dorman-946-660-drive-shaft-rear","provider":"PartCatalog","version":"1.0","type":"link"}