{"product_id":"dorman-946-858-drive-shaft-rear","title":"Dorman 946-858 Drive Shaft - Rear","description":"\u003ch2\u003eFord F-250 Super Duty Rear Drive Shaft Replacement\u003c\/h2\u003e\u003cp\u003eThis Dorman drive shaft assembly is built for rear driveline service on select Ford Super Duty trucks. It is pre-balanced and supplied with new yokes, tubes, constant velocity joints, and universal joints for a direct replacement approach on the listed applications.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBrand: Dorman\u003c\/li\u003e\n\u003cli\u003ePart number: 946-858\u003c\/li\u003e\n\u003cli\u003eSteel shaft construction\u003c\/li\u003e\n\u003cli\u003e3.5 in shaft diameter\u003c\/li\u003e\n\u003cli\u003e70.875 in drive shaft length\u003c\/li\u003e\n\u003cli\u003e0.083 in wall thickness\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\u003c\/li\u003e\n\u003cli\u003eRear position application\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Overview\u003c\/h2\u003e\u003cp\u003eDorman 946-858 is a complete rear drive shaft assembly for select Ford F-250 Super Duty and Ford F-350 Super Duty models with Single Rear Wheel (SRW) configuration. It is pre-balanced for installation and uses 100% new yokes, tubes, CV joints, and universal joints to restore driveline function on the specified trucks. The steel shaft design, adjustable overall length, and greaseable construction support serviceability in rear driveline replacement work. This part number 946-858 also cross-references Ford F81Z4R602LKD for the same application.\u003c\/p\u003e\u003ch2\u003eFitment\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFits 1999-2002 Ford F-250 Super Duty, rear, with Single Rear Wheel (SRW)\u003c\/li\u003e\n\u003cli\u003eFits 2002 Ford F-350 Super Duty, rear, to 12\/01, with Single Rear Wheel (SRW)\u003c\/li\u003e\n\u003cli\u003eFits 1999-2001 Ford F-350 Super Duty, rear, with Single Rear Wheel (SRW)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon Replacement Reasons\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eWorn or damaged rear drive shaft assembly\u003c\/li\u003e\n\u003cli\u003eVibration from driveline imbalance\u003c\/li\u003e\n\u003cli\u003eExcess play from worn universal joints or slip yoke components\u003c\/li\u003e\n\u003cli\u003eNoise during acceleration or load changes\u003c\/li\u003e\n\u003cli\u003eCorrosion or structural wear in the shaft tube\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cp\u003eVerify rear axle configuration and SRW application before ordering. Confirm overall length, shaft diameter, and driveline layout against the removed part on Ford F-250 Super Duty and Ford F-350 Super Duty trucks. Inspect related driveline components, including mounting points and companion parts, during replacement. The greaseable design supports routine maintenance after installation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDorman supplies this assembly as a complete replacement drive shaft with new core components and pre-balanced preparation for the listed vehicles. Part number 946-858 is built for direct-fit service on the specified Ford Super Duty rear applications.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":52798266900661,"sku":"BKKY-946-858","price":1052.33,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_946858_FRO.jpg?v=1784009792","url":"https:\/\/www.partcatalog.com\/products\/dorman-946-858-drive-shaft-rear","provider":"PartCatalog","version":"1.0","type":"link"}