{"product_id":"dorman-946-864-drive-shaft-rear","title":"Dorman 946-864 Drive Shaft - Rear","description":"\u003ch2\u003eFord F-350 Super Duty Rear Driveshaft\u003c\/h2\u003e\u003cp\u003eThis Dorman drive shaft assembly is built for 2003-2007 Ford F-350 Super Duty rear applications with dual rear wheels (DRW). Part number 946-864 is a complete replacement driveshaft that arrives pre-balanced and ready to install, with new yokes, tubes, and joints for a direct service solution.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFits 2003-2007 Ford F-350 Super Duty, rear, w\/Dual Rear Wheels (DRW)\u003c\/li\u003e\n\u003cli\u003eSteel shaft construction for driveline service\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 driveshaft design\u003c\/li\u003e\n\u003cli\u003eOverall length adjustable for application-specific setup\u003c\/li\u003e\n\u003cli\u003eDrive shaft length: 73.594 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 946-864\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eDorman 946-864 is a rear driveshaft assembly for Ford F-350 Super Duty trucks equipped with dual rear wheels. It is engineered as a complete replacement unit with 100% new yokes, tubes, constant velocity joints, and universal joints, helping restore driveline function without rebuilding the original shaft. The steel construction, greaseable design, and adjustable overall length support proper fitment and serviceability in demanding rear driveline applications. This part cross-references Ford OE number 3C3Z4R602CL 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\u003eExcess play caused by damaged slip yoke components\u003c\/li\u003e\n\u003cli\u003eService issues related to a bent, fatigued, or corroded shaft\u003c\/li\u003e\n\u003cli\u003eLoss of smooth power transfer in the rear driveline\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify rear DRW fitment before ordering and confirm shaft length, diameter, and mounting points against the original unit. Inspect companion flange, differential connection, and surrounding driveline components during installation. Because this assembly is greaseable, follow the vehicle service schedule for lubrication after installation and during routine maintenance. Part number 946-864 is intended for 2003-2007 Ford F-350 Super Duty rear DRW applications.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDorman supplies this driveshaft as a complete replacement assembly with new internal wear components and pre-balanced construction to support consistent driveline operation. The design focuses on restoring original driveline geometry and serviceability for Ford F-350 Super Duty rear applications.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":52798266933429,"sku":"BKKY-946-864","price":1087.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_946864_FRO.jpg?v=1784009799","url":"https:\/\/www.partcatalog.com\/products\/dorman-946-864-drive-shaft-rear","provider":"PartCatalog","version":"1.0","type":"link"}