{"product_id":"dorman-946-643-drive-shaft-rear","title":"Dorman 946-643 Drive Shaft - Rear","description":"\u003ch2\u003eDorman 946-643 Rear Drive Shaft\u003c\/h2\u003e\u003cp\u003eRestore driveline function with this Dorman drive shaft assembly for select Ford Super Duty trucks. Built as a complete replacement and pre-balanced for installation, it uses all-new yokes, tubes, CV joints, and universal joints to simplify service on the rear driveline.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSteel drive shaft construction for rear driveline service\u003c\/li\u003e\n\u003cli\u003ePre-balanced assembly for easier installation and smoother operation\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 design for routine maintenance access\u003c\/li\u003e\n\u003cli\u003eAdjustable overall length for fitment alignment\u003c\/li\u003e\n\u003cli\u003eDrive shaft length: 89.3 in; shaft diameter: 3.5 in; wall thickness: 0.083 in\u003c\/li\u003e\n\u003cli\u003eCompatible with rear applications on select Ford F-250 Super Duty and Ford F-350 Super Duty models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eDorman 946-643 is a rear drive shaft assembly engineered for select 2002-2007 Ford F-250 Super Duty and Ford F-350 Super Duty trucks. It is built with a steel shaft, slip yoke, and greaseable construction, and it arrives as a pre-balanced assembly to reduce the steps involved in driveline replacement. This part number, 946-643, is a direct-fit style solution for rear driveline service where the original shaft has worn joints, vibration, or tube damage. This part cross-references Ford OE number 2C3Z4R602DQ for the same application.\u003c\/p\u003e\u003ch2\u003eVehicle Fitment\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFits 2003-2007 Ford F-250 Super Duty, rear.\u003c\/li\u003e\n\u003cli\u003eFits 2003-2007 Ford F-350 Super Duty, rear, fits vehicles with Single Rear Wheel (SRW).\u003c\/li\u003e\n\u003cli\u003eFits 2002 Ford F-250 Super Duty, rear, over 8,800 Lb. GVW; from 4\/21\/02.\u003c\/li\u003e\n\u003cli\u003eFits 2002 Ford F-250 Super Duty, rear, from 1\/06\/02.\u003c\/li\u003e\n\u003cli\u003eFits 2002 Ford F-350 Super Duty, rear, with Single Rear Wheel (SRW); from 4\/21\/02.\u003c\/li\u003e\n\u003cli\u003eFits 2002 Ford F-350 Super Duty, rear, with Single Rear Wheel (SRW); from 1\/06\/02.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon Repair Uses\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRear driveline vibration caused by worn shaft components\u003c\/li\u003e\n\u003cli\u003eNoise from damaged universal joints or CV joints\u003c\/li\u003e\n\u003cli\u003eReplacement for a bent, corroded, or fatigued steel driveshaft\u003c\/li\u003e\n\u003cli\u003eService on Ford F-250 Super Duty and Ford F-350 Super Duty rear driveline assemblies\u003c\/li\u003e\n\u003cli\u003eCorrection for driveline fitment issues after shaft wear or failure\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify rear application, wheel configuration, and build date before installation. Confirm shaft length, slip yoke engagement, and driveline alignment against the original part before tightening fasteners. Because this assembly is greaseable, follow the vehicle service schedule for lubrication after installation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eThis Dorman replacement drive shaft is built as a complete assembly with new core components and pre-balanced construction for service-ready installation. Part number 946-643 is intended for rear driveline replacement on the listed Ford Super Duty applications.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":52798262509749,"sku":"BKKY-946-643","price":941.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_946643_Fro.jpg?v=1784009027","url":"https:\/\/www.partcatalog.com\/products\/dorman-946-643-drive-shaft-rear","provider":"PartCatalog","version":"1.0","type":"link"}