{"product_id":"dorman-946-637-drive-shaft-rear","title":"Dorman 946-637 Drive Shaft - Rear","description":"\u003ch2\u003eDorman 946-637 Drive Shaft for Ford F-350 Super Duty\u003c\/h2\u003e\u003cp\u003eThis Dorman drive shaft assembly is a direct replacement for rear driveline service on select Ford F-350 Super Duty trucks. Built with a steel shaft, slip yoke, greaseable design, and adjustable overall length, it arrives pre-balanced for installation on the correct application.\u003c\/p\u003e\u003cp\u003eCompatible with 1999-2002 Ford F-350 Super Duty rear dual rear wheel configurations, this Dorman 946-637 drive shaft supports a clean driveline repair when the original shaft is worn, damaged, or out of balance.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBrand: Dorman\u003c\/li\u003e\n\u003cli\u003ePart Number: 946-637\u003c\/li\u003e\n\u003cli\u003eComplete drive shaft assembly for rear application\u003c\/li\u003e\n\u003cli\u003eSteel shaft construction with 3.5 in diameter and 0.083 in wall thickness\u003c\/li\u003e\n\u003cli\u003ePre-balanced for installation\u003c\/li\u003e\n\u003cli\u003e100% new yokes, tubes, and universal joints\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\u003eDrive shaft length: 98.19 in\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eDorman 946-637 is a replacement drive shaft assembly engineered for rear driveline service on the Ford F-350 Super Duty. It is built with steel construction and supplied as a complete assembly with new yokes, tubes, and joints, helping restore driveline function after wear, vibration, or physical damage. The pre-balanced design supports smoother operation after installation, while the greaseable configuration helps with routine maintenance. This part cross-references Ford OE number F81Z4R602FE for the same application.\u003c\/p\u003e\u003cp\u003eFor buyers searching for a rear drive shaft for 1999-2002 Ford F-350 Super Duty DRW, or a replacement drive shaft assembly for 2002 Ford F-350 Super Duty rear dual rear wheel trucks built to 1\/06\/02, this part number 946-637 is the direct-fit option to review.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Fix\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDriveline vibration from a worn or unbalanced shaft\u003c\/li\u003e\n\u003cli\u003eNoise from damaged universal joints or yokes\u003c\/li\u003e\n\u003cli\u003eLoss of driveline integrity after shaft wear or impact damage\u003c\/li\u003e\n\u003cli\u003eService issues caused by a non-greaseable or worn assembly\u003c\/li\u003e\n\u003cli\u003eFitment problems when replacing the original rear driveshaft on DRW trucks\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify rear axle configuration, wheel setup, and vehicle build date before ordering. This drive shaft is listed for 1999-2001 Ford F-350 Super Duty rear w\/Dual Rear Wheels (DRW) and 2002 Ford F-350 Super Duty rear w\/Dual Rear Wheels (DRW) to 1\/06\/02. Confirm overall length and slip yoke engagement against the original shaft before installation. Inspect related driveline components, including mounts and companion flange areas, during replacement.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDorman supplies this drive shaft as a complete replacement assembly with new yokes, tubes, constant velocity joints, and universal joints per manufacturer description. The assembly is pre-balanced and built for direct replacement service on the specified Ford F-350 Super Duty applications.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":52798262345909,"sku":"BKKY-946-637","price":1137.18,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_946637_Fro.jpg?v=1784009001","url":"https:\/\/www.partcatalog.com\/products\/dorman-946-637-drive-shaft-rear","provider":"PartCatalog","version":"1.0","type":"link"}