{"product_id":"dorman-946-685-drive-shaft-rear","title":"Dorman 946-685 Drive Shaft - Rear","description":"\u003ch2\u003eRear Driveshaft for Ford Super Duty\u003c\/h2\u003e\u003cp\u003eThis Dorman drive shaft assembly is built for rear driveline replacement on select Ford Super Duty trucks. Part number 946-685 is a complete, pre-balanced assembly with new yokes, tubes, and joints to simplify service on 2008-2010 Ford F-250 Super Duty and 2008-2010 Ford F-350 Super Duty SRW applications.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eComplete rear drive shaft assembly for select Ford Super Duty trucks\u003c\/li\u003e\n\u003cli\u003ePre-balanced for installation readiness\u003c\/li\u003e\n\u003cli\u003eSteel shaft construction with a 3.5 in shaft diameter\u003c\/li\u003e\n\u003cli\u003e93.72 in drive shaft length with 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\u003e100% new yokes, tubes, constant velocity joints, and universal joints per manufacturer description\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eDorman 946-685 is a rear drive shaft assembly for Ford F-250 Super Duty and Ford F-350 Super Duty trucks in the 2008-2010 model years. It uses a steel shaft and is supplied pre-balanced to support a smoother driveline replacement. The assembly includes a slip yoke and is adjustable in overall length, which helps match the original driveline setup during service. This part cross-references Ford OE number 7C3Z4R602GJ for the same application.\u003c\/p\u003e\u003cp\u003eFor buyers searching for a rear driveshaft for 2008-2010 Ford F-250 Super Duty, or a rear driveshaft for 2008-2010 Ford F-350 Super Duty SRW, part number 946-685 provides a direct replacement option built around the listed dimensions and hardware configuration.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Fix\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDriveline vibration from a worn or out-of-balance shaft\u003c\/li\u003e\n\u003cli\u003eClunking or driveline noise from worn joints or yokes\u003c\/li\u003e\n\u003cli\u003eExcess play caused by damaged shaft components\u003c\/li\u003e\n\u003cli\u003eService issues related to a bent or fatigued rear driveshaft\u003c\/li\u003e\n\u003cli\u003eFitment problems when replacing the original rear shaft on Super Duty trucks\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify rear application fitment before installation. This driveshaft is listed for 2008-2010 Ford F-250 Super Duty rear and 2008-2010 Ford F-350 Super Duty rear with Single Rear Wheel (SRW). Confirm shaft length, slip yoke configuration, and overall driveline measurements against the original part before installation. Part number 946-685 is intended for direct replacement service on the specified vehicles.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDorman supplies this drive shaft assembly as a pre-balanced replacement with new yokes, tubes, CV joints, and universal joints according to the manufacturer description. The part is built as a regular-grade replacement component for driveline service on Ford Super Duty applications.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":52798264017077,"sku":"BKKY-946-685","price":955.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_946685_Fro.jpg?v=1784009220","url":"https:\/\/www.partcatalog.com\/products\/dorman-946-685-drive-shaft-rear","provider":"PartCatalog","version":"1.0","type":"link"}