{"product_id":"dorman-946-851-drive-shaft-rear","title":"Dorman 946-851 Drive Shaft - Rear","description":"\u003ch2\u003eDrive Shaft Replacement for Driveline Repair\u003c\/h2\u003e\u003cp\u003eThis Dorman drive shaft assembly is a direct replacement for driveline service where a worn or damaged shaft needs to be restored. Part number 946-851 is pre-balanced and built with new yokes, tubes, and joints to simplify the repair process on compatible Ford truck applications.\u003c\/p\u003e\u003cp\u003eFor Ford F-150 and related driveline service needs, 946-851 provides a complete steel shaft assembly with a 3.5-inch diameter, 101.375-inch overall length, and adjustable overall length for proper setup. The greaseable design and slip yoke help support serviceability during routine maintenance.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eComplete drive shaft assembly for driveline replacement\u003c\/li\u003e\n\u003cli\u003ePre-balanced for installation readiness\u003c\/li\u003e\n\u003cli\u003eSteel shaft construction with 0.083-inch wall thickness\u003c\/li\u003e\n\u003cli\u003e3.5-inch shaft diameter for OE-style fitment\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 for fitment setup\u003c\/li\u003e\n\u003cli\u003e100% new yokes, tubes, CV joints, and universal joints per manufacturer description\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eDorman 946-851 is a replacement drive shaft assembly engineered for Ford truck driveline service. It is built from steel and supplied pre-balanced, which helps reduce the time needed for setup during replacement. The assembly includes a slip yoke and an adjustable overall length, making it a practical option when restoring driveline geometry on a Ford F-150 application. This part cross-references Ford OE part number E8TZ4R602B for the same application.\u003c\/p\u003e\u003cp\u003eUse 946-851 when the original shaft shows wear, vibration, or damage and a complete replacement is required. The greaseable construction supports routine maintenance, while the 101.375-inch length and 3.5-inch diameter provide the dimensional details needed for a proper driveline match. Search terms such as Ford F-150 drive shaft replacement, steel driveshaft assembly, and pre-balanced driveline shaft apply to this part.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Repair\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDriveline vibration caused by a worn or out-of-balance shaft\u003c\/li\u003e\n\u003cli\u003eNoise from damaged yokes, tubes, or joints\u003c\/li\u003e\n\u003cli\u003eExcess play in the driveline assembly\u003c\/li\u003e\n\u003cli\u003eFailure from corrosion, impact, or fatigue\u003c\/li\u003e\n\u003cli\u003eService issues related to a non-greaseable shaft design\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify shaft length, diameter, slip yoke configuration, and driveline layout before installation. Confirm the vehicle’s Ford F-150 driveline specifications against the part dimensions listed here, including the 101.375-inch overall length and 3.5-inch shaft diameter. Inspect related driveline components, mounting points, and seals during replacement to help ensure a proper repair.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDorman supplies this drive shaft as a complete replacement assembly with new core components and pre-balanced construction for consistent service quality. Part number 946-851 is built to replace the original driveline shaft on the specified Ford application.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":52798266736821,"sku":"BKKY-946-851","price":1107.73,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_946851_FRO.jpg?v=1784009757","url":"https:\/\/www.partcatalog.com\/products\/dorman-946-851-drive-shaft-rear","provider":"PartCatalog","version":"1.0","type":"link"}