{"product_id":"dorman-946-392-drive-shaft-rear","title":"Dorman 946-392 Drive Shaft - Rear","description":"\u003ch2\u003eRear Driveshaft for Ford Super Duty\u003c\/h2\u003e\u003cp\u003eThis Dorman drive shaft assembly is built for rear applications on select Ford Super Duty trucks with a 3.73 axle ratio. Part number 946-392 is a direct replacement style driveshaft that arrives pre-balanced and ready to install, with new yokes, tubes, and joints for a complete driveline service.\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 smoother operation\u003c\/li\u003e\n\u003cli\u003e100% new yokes, tubes, constant velocity joints, and universal joints\u003c\/li\u003e\n\u003cli\u003eSlip yoke included\u003c\/li\u003e\n\u003cli\u003eOverall length adjustable for application-specific fitment\u003c\/li\u003e\n\u003cli\u003e73.75 in drive shaft length with 3.5 in shaft diameter\u003c\/li\u003e\n\u003cli\u003e0.083 in wall thickness\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Overview\u003c\/h2\u003e\u003cp\u003eDorman 946-392 is a rear drive shaft assembly for 1999-2002 Ford F-250 Super Duty and Ford F-350 Super Duty trucks equipped with a 3.73 axle ratio. It is engineered as a complete replacement driveline component for Ford F-250 Super Duty rear and Ford F-350 Super Duty rear applications, helping restore proper torque transfer between the transmission and rear axle. This part cross-references Ford OE number F81Z4602AD and FDP-035 for the same application.\u003c\/p\u003e\u003cp\u003eBuilt with a steel shaft and a slip yoke, this assembly is intended for service on trucks that need a replacement rear driveshaft with the correct length and balance characteristics. The Dorman 946-392 part number is a practical option when the original shaft is worn, damaged, or no longer running smoothly.\u003c\/p\u003e\u003ch2\u003eCommon Problems This Part Can Address\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\u003eLoss of smooth power transfer to the rear axle\u003c\/li\u003e\n\u003cli\u003eDamage to the original shaft tube or driveline components\u003c\/li\u003e\n\u003cli\u003eFitment issues after replacing a factory rear driveshaft on Super Duty trucks\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify rear application, axle ratio, and build date before ordering. This driveshaft is listed for 1999-2001 Ford F-250 Super Duty rear with 3.73 axle ratio, 1999-2001 Ford F-350 Super Duty rear with 3.73 axle ratio, and 2002 Ford F-250 Super Duty rear or 2002 Ford F-350 Super Duty rear with 3.73 axle ratio from 1\/06\/02. Confirm overall length and driveline configuration against the original shaft before installation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDorman supplies this replacement driveshaft as a complete assembly with new driveline components and pre-balanced construction to support consistent operation after installation.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":52798255202485,"sku":"BKKY-946-392","price":396.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_946392_Fro.jpg?v=1784008128","url":"https:\/\/www.partcatalog.com\/products\/dorman-946-392-drive-shaft-rear","provider":"PartCatalog","version":"1.0","type":"link"}