{"product_id":"dorman-946-673-drive-shaft-rear","title":"Dorman 946-673 Drive Shaft - Rear","description":"\u003ch2\u003eDrive Shaft for Ford Super Duty Rear Applications\u003c\/h2\u003e\u003cp\u003eDorman 946-673 is a complete rear drive shaft assembly for select Ford Super Duty trucks. It is pre-balanced for installation and built with new yokes, tubes, and joints to support a direct replacement on 2002-2007 Ford F-250 Super Duty and Ford F-350 Super Duty rear driveline applications.\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\u003e73.16 in drive shaft length with 0.083 in wall thickness\u003c\/li\u003e\n\u003cli\u003eSlip yoke included for rear driveline service\u003c\/li\u003e\n\u003cli\u003eGreaseable drive shaft design for maintenance 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\u003ePart number 946-673 for catalog and service reference\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eThis Dorman drive shaft is built for rear-position service on Ford F-250 Super Duty and Ford F-350 Super Duty trucks within the listed model years. The assembly uses steel construction and includes 100% new yokes, tubes, constant velocity joints, and universal joints per the manufacturer’s design description, helping restore driveline function after wear, vibration, or component damage. Part number 946-673 is also cross-referenced to 2C3Z4R602EY for the same application.\u003c\/p\u003e\u003cp\u003eCompatible With 2003-2007 Ford F-250 Super Duty, rear; 2003-2007 Ford F-350 Super Duty, rear with Single Rear Wheel (SRW); 2002 Ford F-250 Super Duty, rear from 1\/06\/02; and 2002 Ford F-350 Super Duty, rear with Single Rear Wheel (SRW) from 1\/06\/02 or 4\/21\/02. If you are sourcing a rear drive shaft for a Ford Super Duty truck, 946-673 provides a direct-fit replacement path for the listed configurations.\u003c\/p\u003e\u003ch2\u003eCommon Problems This Part Can Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDriveline vibration from a worn or out-of-balance shaft\u003c\/li\u003e\n\u003cli\u003eNoise from worn universal joints or yokes\u003c\/li\u003e\n\u003cli\u003eDamage to the original shaft tube or slip yoke\u003c\/li\u003e\n\u003cli\u003eRear driveline service needs after component wear\u003c\/li\u003e\n\u003cli\u003eFitment issues on listed Ford F-250 Super Duty and Ford F-350 Super Duty rear applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify rear axle configuration and model-year breakpoints before installation, especially on 2002 trucks with the listed production-date notes. Confirm overall length, shaft diameter, and slip yoke alignment against the original part before final installation. Because this is a driveline component, proper balancing and torque verification are important during service.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDorman builds this assembly as a complete replacement drive shaft with new core driveline components and pre-balanced preparation for installation. The design focuses on restoring serviceable driveline operation for the specified Ford Super Duty rear applications.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":52798263886005,"sku":"BKKY-946-673","price":1278.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_946673_Fro.jpg?v=1784009192","url":"https:\/\/www.partcatalog.com\/products\/dorman-946-673-drive-shaft-rear","provider":"PartCatalog","version":"1.0","type":"link"}