{"product_id":"dorman-946-387-drive-shaft-rear","title":"Dorman 946-387 Drive Shaft - Rear","description":"\u003ch2\u003eDrive Shaft for Ford Super Duty Rear Applications\u003c\/h2\u003e\u003cp\u003eThis Dorman drive shaft assembly is built for rear driveline replacement on select Ford F-250 Super Duty and Ford F-350 Super Duty trucks. Part number 946-387 is a complete assembly with pre-balanced construction and new yokes, tubes, CV joints, and universal joints for a direct replacement approach.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eComplete drive shaft assembly for rear driveline service\u003c\/li\u003e\n\u003cli\u003ePre-balanced for installation readiness\u003c\/li\u003e\n\u003cli\u003eAluminum shaft material with 4-inch shaft diameter\u003c\/li\u003e\n\u003cli\u003e75-inch drive shaft length with 0.083-inch wall thickness\u003c\/li\u003e\n\u003cli\u003eSlip yoke included\u003c\/li\u003e\n\u003cli\u003eOverall length adjustable\u003c\/li\u003e\n\u003cli\u003ePackage contents: 1 driveshaft\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Overview\u003c\/h2\u003e\u003cp\u003eDorman 946-387 is a rear drive shaft assembly for 2008-2010 Ford F-250 Super Duty and 2008-2010 Ford F-350 Super Duty models in Single Rear Wheel configurations, including applications with a 4.10 axle ratio where noted. This part number 946-387 is engineered as a replacement driveline component for trucks that need a complete shaft assembly rather than individual driveline pieces. The aluminum construction, adjustable overall length, and slip yoke design support proper driveline fitment in the specified rear applications.\u003c\/p\u003e\u003cp\u003eThis part cross-references Ford OE number 7C3Z4602BK for the same application.\u003c\/p\u003e\u003ch2\u003eWhat This Drive Shaft Helps 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\u003eExcess play caused by damaged yokes or joints\u003c\/li\u003e\n\u003cli\u003eReplacement needs after driveline tube or joint wear\u003c\/li\u003e\n\u003cli\u003eRear driveline service on Ford F-250 Super Duty and Ford F-350 Super Duty trucks\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify rear application, Single Rear Wheel configuration, and axle ratio before installation. Confirm overall length and slip yoke fitment against the original driveline assembly. Inspect related driveline mounting points, seals, and companion components during replacement to ensure proper alignment and operation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDorman supplies this drive shaft as a pre-balanced replacement assembly with new yokes, tubes, CV joints, and universal joints. The part is built for the listed Ford Super Duty rear applications and is identified by part number 946-387.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":52798255005877,"sku":"BKKY-946-387","price":720.76,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_946387_Fro.jpg?v=1784008094","url":"https:\/\/www.partcatalog.com\/products\/dorman-946-387-drive-shaft-rear","provider":"PartCatalog","version":"1.0","type":"link"}