{"product_id":"dorman-946-620-drive-shaft-rear","title":"Dorman 946-620 Drive Shaft - Rear","description":"\u003ch2\u003eDorman 946-620 Rear Drive Shaft Assembly\u003c\/h2\u003e\u003cp\u003eDorman 946-620 is a complete rear drive shaft assembly built for direct replacement service. It arrives pre-balanced and uses 100% new yokes, tubes, constant velocity (CV) joints, and universal joints to simplify driveline repair on compatible applications.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eComplete rear driveshaft assembly for driveline replacement\u003c\/li\u003e\n\u003cli\u003ePre-balanced for installation-ready service\u003c\/li\u003e\n\u003cli\u003e100% new yokes, tubes, CV joints, and universal joints\u003c\/li\u003e\n\u003cli\u003eSteel shaft construction with a 3.5 in shaft diameter\u003c\/li\u003e\n\u003cli\u003e131.46 in overall drive shaft length\u003c\/li\u003e\n\u003cli\u003e0.083 in wall thickness for the shaft tube\u003c\/li\u003e\n\u003cli\u003eGreaseable design for service access\u003c\/li\u003e\n\u003cli\u003eOverall length adjustable for proper driveline setup\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eThis Dorman drive shaft is built as a rear driveshaft replacement for vehicles that need a complete driveline assembly rather than a component-level repair. The steel shaft construction, greaseable joints, and adjustable overall length support accurate fitment and serviceability, while the pre-balanced design helps reduce the need for additional balancing work after installation. This part number 946-620 is also referenced by OE cross number F81A4K357DA for the same application. For buyers searching for a rear drive shaft assembly for Ford F-250 Super Duty or Ford F-350 Super Duty driveline repair, Dorman 946-620 provides the core dimensions and new-component construction needed for a direct replacement approach.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Fix\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 U-joints or CV joints\u003c\/li\u003e\n\u003cli\u003eExcess play caused by damaged yokes or tube wear\u003c\/li\u003e\n\u003cli\u003eDriveline service issues on Ford F-250 Super Duty and Ford F-350 Super Duty applications\u003c\/li\u003e\n\u003cli\u003eLength or alignment concerns after rear driveline replacement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify vehicle-specific fitment before ordering, especially on Ford F-250 Super Duty and Ford F-350 Super Duty applications. Confirm overall length, shaft diameter, and driveline configuration against the original part before installation. Because this assembly is pre-balanced, avoid modifying the shaft tube or joints during setup. Inspect companion flange, differential, and transfer case interfaces for wear before installing the replacement driveshaft.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDorman manufactures this assembly as a complete replacement driveline component with new yokes, tubes, CV joints, and universal joints. The pre-balanced construction and adjustable length support consistent installation on the specified rear driveshaft application.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":52798261854389,"sku":"BKKY-946-620","price":1439.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_946620_Generic.jpg?v=1784008904","url":"https:\/\/www.partcatalog.com\/products\/dorman-946-620-drive-shaft-rear","provider":"PartCatalog","version":"1.0","type":"link"}