{"product_id":"dorman-946-678-drive-shaft-rear","title":"Dorman 946-678 Drive Shaft - Rear","description":"\u003ch2\u003eDorman 946-678 Rear Driveshaft for Ford F-350 Super Duty\u003c\/h2\u003e\u003cp\u003eThis Dorman drive shaft assembly is built for rear driveline service on the 2002-2003 Ford F-350 Super Duty with Single Rear Wheel and Crew Chassis Cab configurations. Part number 946-678 is pre-balanced and supplied as a complete assembly with new yokes, tubes, CV joints, and universal joints for a direct replacement approach.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSteel shaft construction with a 3.5 in. shaft diameter\u003c\/li\u003e\n\u003cli\u003e90.32 in. drive shaft length with 0.083 in. wall thickness\u003c\/li\u003e\n\u003cli\u003eSlip yoke included for the listed application\u003c\/li\u003e\n\u003cli\u003eGreaseable drive shaft design for service access\u003c\/li\u003e\n\u003cli\u003eOverall length adjustable for fitment alignment\u003c\/li\u003e\n\u003cli\u003ePre-balanced assembly for installation readiness\u003c\/li\u003e\n\u003cli\u003ePackage contents: 1 driveshaft\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eDorman 946-678 is a rear drive shaft assembly for Ford F-350 Super Duty trucks that need a replacement driveline component matched to the original application. It is built from steel and configured with a slip yoke, greaseable design, and adjustable overall length to support proper driveline fitment on the specified rear position. This part cross-references Ford OE number 2C3Z4R602DN for the same application. Compatible with 2002 Ford F-350 Super Duty, rear, and 2003 Ford F-350 Super Duty, rear, this assembly is a practical choice when servicing the driveline on a Ford F-350 Super Duty Crew Chassis Cab with SRW configuration. Part number 946-678 is intended for direct replacement use where the original shaft has wear, vibration, or damage.\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\u003eLoss of driveline smoothness under load\u003c\/li\u003e\n\u003cli\u003eDamage to the original rear driveshaft assembly\u003c\/li\u003e\n\u003cli\u003eFitment issues after driveline service on the rear axle area\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify rear-position fitment before installation and confirm the truck is a 2002 or 2003 Ford F-350 Super Duty with Single Rear Wheel and Crew Chassis Cab configuration. Compare shaft length, slip yoke setup, and driveline mounting points against the removed component before final installation. Because the assembly is pre-balanced, avoid altering the shaft before it is installed. Part number 946-678 should be checked against the vehicle’s original driveline specifications to confirm proper alignment.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDorman supplies this driveshaft as a complete replacement assembly with new yokes, tubes, CV joints, and universal joints, and the shaft is pre-balanced for installation readiness. The steel construction and greaseable design support routine driveline service on the Ford F-350 Super Duty application.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":52798263918773,"sku":"BKKY-946-678","price":1105.07,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_946678_Fro.jpg?v=1784009199","url":"https:\/\/www.partcatalog.com\/products\/dorman-946-678-drive-shaft-rear","provider":"PartCatalog","version":"1.0","type":"link"}