{"product_id":"dorman-946-729-drive-shaft-rear","title":"Dorman 946-729 Drive Shaft - Rear","description":"\u003ch2\u003eDrive Shaft Assembly for Driveline Repair\u003c\/h2\u003e\u003cp\u003eDorman 946-729 is a complete drive shaft assembly for driveline service where a direct replacement shaft is needed. It is pre-balanced and built with 100% new yokes, tubes, constant velocity joints, and universal joints to support a straightforward replacement process.\u003c\/p\u003e\u003cp\u003eFor Ford F-250 Super Duty and Ford F-350 Super Duty applications, this drive shaft is built around steel construction, a 3.5-inch shaft diameter, and a 105.9-inch overall length. The assembly is greaseable and has an adjustable overall length for proper driveline setup.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBrand: Dorman\u003c\/li\u003e\n\u003cli\u003ePart number: 946-729\u003c\/li\u003e\n\u003cli\u003eSteel shaft construction\u003c\/li\u003e\n\u003cli\u003ePre-balanced drive shaft assembly\u003c\/li\u003e\n\u003cli\u003e100% new yokes, tubes, CV joints, and universal joints\u003c\/li\u003e\n\u003cli\u003eGreaseable design\u003c\/li\u003e\n\u003cli\u003eOverall length adjustable\u003c\/li\u003e\n\u003cli\u003eDrive shaft length: 105.9 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\u003ePackage contents: 1 driveshaft\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details\u003c\/h2\u003e\u003cp\u003eThis Dorman drive shaft replacement is built for driveline service on Ford F-250 Super Duty and Ford F-350 Super Duty trucks that require a steel drive shaft assembly with OE-style dimensions. The part number 946-729 is listed as a direct interchange for F81Z4R602CE, making it a practical reference when sourcing a replacement driveshaft for the same application. The greaseable design supports routine service, while the adjustable overall length helps with driveline fitment during replacement work.\u003c\/p\u003e\u003cp\u003eThis part cross-references Ford OE number F81Z4R602CE for the same application.\u003c\/p\u003e\u003ch2\u003eCommon Problems It Can Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVibration from a worn or out-of-balance driveshaft\u003c\/li\u003e\n\u003cli\u003eNoise from worn universal joints or CV joints\u003c\/li\u003e\n\u003cli\u003eDriveline play caused by damaged yokes or tubes\u003c\/li\u003e\n\u003cli\u003eService issues from a bent or corroded steel shaft\u003c\/li\u003e\n\u003cli\u003eFitment concerns when replacing an original Ford F-250 Super Duty or Ford F-350 Super Duty driveshaft\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify shaft length, diameter, and driveline configuration before installation. Confirm that the replacement matches the vehicle’s original application and inspect related driveline components, including mounts and joints, for wear before reassembly. Because this assembly is greaseable, follow the vehicle service schedule for lubrication after installation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDorman supplies this drive shaft as a complete replacement assembly with new yokes, tubes, CV joints, and universal joints, and it is pre-balanced for installation readiness. Part number 946-729 is built to support direct replacement service for Ford F-250 Super Duty and Ford F-350 Super Duty driveline repairs.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":52798264737973,"sku":"BKKY-946-729","price":1553.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_946729_Fro.jpg?v=1784009364","url":"https:\/\/www.partcatalog.com\/products\/dorman-946-729-drive-shaft-rear","provider":"PartCatalog","version":"1.0","type":"link"}