{"product_id":"dorman-946-945-drive-shaft-rear","title":"Dorman 946-945 Drive Shaft - Rear","description":"\u003ch2\u003eDrive Shaft for 1989-1991 Ford F-350 Rear\u003c\/h2\u003e\u003cp\u003eThis Dorman drive shaft assembly is built for rear driveline replacement on 1989-1991 Ford F-350 models. Part number 946-945 is pre-balanced and supplied as a complete steel shaft assembly with new yokes, tubes, and joints for a direct replacement approach.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFits 1989-1991 Ford F-350, rear\u003c\/li\u003e\n\u003cli\u003eSteel shaft construction with a 3-inch diameter\u003c\/li\u003e\n\u003cli\u003ePre-balanced assembly for installation readiness\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 application matching\u003c\/li\u003e\n\u003cli\u003eDrive shaft length: 80.36 in\u003c\/li\u003e\n\u003cli\u003eWall thickness: 0.083 in\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details\u003c\/h2\u003e\u003cp\u003eDorman 946-945 is a rear drive shaft assembly for Ford F-350 trucks from 1989 through 1991. It is built with 100% new yokes, tubes, constant velocity joints, and universal joints, then balanced before shipment to support a smoother replacement process. The steel construction, greaseable design, and adjustable overall length make this assembly a practical choice when replacing a worn or damaged rear driveshaft on a Ford F-350. This part cross-references Ford E9TZ4R602H for the same application.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Fix\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVibration from a worn or out-of-balance rear driveshaft\u003c\/li\u003e\n\u003cli\u003eClunking or driveline noise from worn joints or yokes\u003c\/li\u003e\n\u003cli\u003eDriveline movement caused by damaged shaft tubing\u003c\/li\u003e\n\u003cli\u003eLoss of smooth power transfer to the rear axle\u003c\/li\u003e\n\u003cli\u003eService issues related to a failing Ford F-350 rear driveshaft\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify rear-position fitment before installation on 1989-1991 Ford F-350 trucks. Confirm shaft length, slip yoke engagement, and driveline measurements against the original part before removal. Inspect related driveline components, mounting points, and seals during replacement to ensure the new assembly installs correctly and operates as intended. Part number 946-945 should be matched to the vehicle application and rear driveline configuration before final installation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDorman supplies this drive shaft as a complete replacement assembly with new internal and external driveline components and pre-balancing for installation readiness. Part number 946-945 is built to replace the original rear driveshaft application on 1989-1991 Ford F-350 models.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":52798268768437,"sku":"BKKY-946-945","price":1155.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_946945_Fro.jpg?v=1784010065","url":"https:\/\/www.partcatalog.com\/products\/dorman-946-945-drive-shaft-rear","provider":"PartCatalog","version":"1.0","type":"link"}