{"product_id":"dorman-946-644-drive-shaft-rear","title":"Dorman 946-644 Drive Shaft - Rear","description":"\u003ch2\u003eDorman 946-644 Rear Drive Shaft\u003c\/h2\u003e\u003cp\u003eRestore driveline function on compatible Ford trucks with this Dorman drive shaft assembly. Built with a steel shaft, slip yoke, greaseable design, and adjustable overall length, it is pre-balanced for direct replacement service on rear-drive applications.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSteel shaft construction for driveline strength\u003c\/li\u003e\n\u003cli\u003ePre-balanced assembly for installation readiness\u003c\/li\u003e\n\u003cli\u003e100% new yokes and tubes\u003c\/li\u003e\n\u003cli\u003eGreaseable drive shaft design\u003c\/li\u003e\n\u003cli\u003eSlip yoke included\u003c\/li\u003e\n\u003cli\u003eOverall length adjustable for proper fitment\u003c\/li\u003e\n\u003cli\u003eDrive shaft length: 81.16 in\u003c\/li\u003e\n\u003cli\u003eShaft diameter: 3 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\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eDorman 946-644 is a rear drive shaft assembly for 1988-1992 Ford F-350 models. It is built as a complete replacement unit with new yokes and tubes, and it is pre-balanced to reduce the need for additional setup before installation. The steel construction, greaseable design, and adjustable overall length support proper driveline service on Ford F-350 rear applications. This part cross-references Ford OE number E7TZ4R602F for the same application.\u003c\/p\u003e\u003ch2\u003eCommon Repair Uses\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFixes vibration caused by a worn or out-of-balance rear driveshaft\u003c\/li\u003e\n\u003cli\u003eReplaces damaged yokes, tubes, or slip yoke wear\u003c\/li\u003e\n\u003cli\u003eAddresses driveline noise from worn universal joint interfaces\u003c\/li\u003e\n\u003cli\u003eRestores power transfer in Ford F-350 rear driveline service\u003c\/li\u003e\n\u003cli\u003eCorrects fitment issues from a bent or fatigued shaft assembly\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eFits 1988-1992 Ford F-350, rear. Verify shaft length, flange interfaces, and driveline measurements before installation. Confirm the rear driveline configuration matches the vehicle application, and inspect related mounts and joints during replacement. Because the assembly is adjustable, final positioning should be checked after the shaft is installed and secured.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDorman supplies this replacement drive shaft as a pre-balanced assembly with new yokes and tubes for service-ready installation. Part number 946-644 is engineered for the listed Ford F-350 rear fitment and built to OE-style replacement standards.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":52798262542517,"sku":"BKKY-946-644","price":958.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_946644_Fro.jpg?v=1784009034","url":"https:\/\/www.partcatalog.com\/products\/dorman-946-644-drive-shaft-rear","provider":"PartCatalog","version":"1.0","type":"link"}