{"product_id":"dorman-946-618-drive-shaft-rear","title":"Dorman 946-618 Drive Shaft - Rear","description":"\u003ch2\u003eDorman 946-618 Rear Drive Shaft Assembly\u003c\/h2\u003e\u003cp\u003eDorman 946-618 is a complete rear drive shaft assembly built for direct replacement service. It arrives pre-balanced and uses 100% new yokes, tubes, CV joints, and universal joints to support a smoother drivetrain repair on applications such as Ford F-250 and Ford F-350 trucks.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSteel shaft construction for driveline strength\u003c\/li\u003e\n\u003cli\u003e3.5 in shaft diameter\u003c\/li\u003e\n\u003cli\u003e85.96 in drive shaft length\u003c\/li\u003e\n\u003cli\u003e0.083 in wall thickness\u003c\/li\u003e\n\u003cli\u003eGreaseable drive shaft design\u003c\/li\u003e\n\u003cli\u003eOverall length adjustable for fitment correction\u003c\/li\u003e\n\u003cli\u003ePre-balanced assembly for installation readiness\u003c\/li\u003e\n\u003cli\u003ePart number 946-618 for easy identification\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eThis rear driveshaft is engineered as a complete replacement for worn or damaged driveline components. The steel shaft, new joints, and new yokes help restore proper rotational transfer between the transmission and rear axle, while the adjustable overall length supports accurate driveline setup. For Ford F-250 and Ford F-350 service work, Dorman 946-618 provides a practical OE-style replacement path when the original shaft is no longer serviceable. This part cross-references Ford OE number 3C3Z4R602BL for the same application.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Fix\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDriveline vibration caused by a worn or out-of-balance shaft\u003c\/li\u003e\n\u003cli\u003eClunking or driveline noise from failed U-joints or CV joints\u003c\/li\u003e\n\u003cli\u003eExcessive play from damaged yokes or tube wear\u003c\/li\u003e\n\u003cli\u003eLoss of smooth power transfer to the rear axle\u003c\/li\u003e\n\u003cli\u003eService issues on rear driveshaft replacement jobs for Ford F-250 and Ford F-350\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 rear driveshaft fitment against the vehicle’s original equipment specifications and inspect companion flange, axle flange, and mounting points for wear before reassembly. Because the assembly is greaseable, follow the vehicle service schedule for lubrication after installation. Use part number 946-618 when matching the replacement shaft to the original unit.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDorman supplies this drive shaft assembly as a pre-balanced replacement with all-new major wear components, including yokes, tubes, CV joints, and universal joints. That construction supports consistent service quality for rear driveline repair work.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":52798261821621,"sku":"BKKY-946-618","price":890.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_946618_Generic.jpg?v=1784008897","url":"https:\/\/www.partcatalog.com\/products\/dorman-946-618-drive-shaft-rear","provider":"PartCatalog","version":"1.0","type":"link"}