{"product_id":"dorman-946-389-drive-shaft-rear","title":"Dorman 946-389 Drive Shaft - Rear","description":"\u003ch2\u003eDrive Shaft for Ford F-350 Super Duty\u003c\/h2\u003e\u003cp\u003eThis Dorman drive shaft assembly is built for rear applications on the 2011-2016 Ford F-350 Super Duty with dual rear wheels and an extended chassis cab. Part number 946-389 is a direct-fit driveline replacement with a steel shaft, slip yoke, and a greaseable design for serviceability.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFits 2011-2016 Ford F-350 Super Duty, rear, w\/Dual Rear Wheels (DRW); Extended Chassis Cab\u003c\/li\u003e\n\u003cli\u003eComplete drive shaft assembly with pre-balanced construction\u003c\/li\u003e\n\u003cli\u003e100% new yokes, tubes, constant velocity (CV) joints, and universal joints per manufacturer description\u003c\/li\u003e\n\u003cli\u003eSteel shaft construction with 3.5 in diameter and 0.083 in wall thickness\u003c\/li\u003e\n\u003cli\u003eOverall length adjustable for proper driveline setup\u003c\/li\u003e\n\u003cli\u003eGreaseable drive shaft design for routine maintenance\u003c\/li\u003e\n\u003cli\u003eSlip yoke included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eDorman 946-389 is a replacement drive shaft for Ford F-350 Super Duty rear driveline service on 2011-2016 DRW extended chassis cab trucks. It is engineered as a complete assembly and arrives pre-balanced to reduce the need for additional driveline prep before installation. The steel shaft measures 76.64 inches in length and uses a 3.5-inch diameter with 0.083-inch wall thickness for a durable OE-style replacement. This part cross-references Ford BC3Z4R602AH for the same application.\u003c\/p\u003e\u003cp\u003eFor buyers searching for a rear drive shaft for 2011-2016 Ford F-350 Super Duty DRW extended chassis cab models, part number 946-389 provides a direct replacement option for driveline repair. It is also a practical choice when replacing a worn or damaged Ford F-350 Super Duty drive shaft assembly and restoring proper rear axle power transfer.\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 shaft components\u003c\/li\u003e\n\u003cli\u003eDamage to the original shaft tube, yoke, or joint interfaces\u003c\/li\u003e\n\u003cli\u003eService issues caused by a non-greaseable or worn driveline assembly\u003c\/li\u003e\n\u003cli\u003eLoss of smooth power delivery through the rear driveline\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify rear fitment on 2011-2016 Ford F-350 Super Duty trucks with dual rear wheels and extended chassis cab configuration before ordering. Confirm overall length, slip yoke engagement, and driveline alignment during installation. Because this is a driveline component, inspect related mounts, U-joints, and axle-side interfaces for wear before completing the repair. Part number 946-389 is listed as a rear application only.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDorman supplies this drive shaft assembly as a pre-balanced replacement with new yokes, tubes, CV joints, and universal joints according to the manufacturer description. The part is built for service replacement on the specified Ford F-350 Super Duty application and is identified by part number 946-389.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":52798255104181,"sku":"BKKY-946-389","price":547.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_946389_Fro.jpg?v=1784008108","url":"https:\/\/www.partcatalog.com\/products\/dorman-946-389-drive-shaft-rear","provider":"PartCatalog","version":"1.0","type":"link"}