{"product_id":"dorman-946-303-drive-shaft-rear","title":"Dorman 946-303 Drive Shaft - Rear","description":"\u003ch2\u003eDorman 946-303 Drive Shaft Assembly\u003c\/h2\u003e\u003cp\u003eDorman 946-303 is a complete steel drive shaft assembly for driveline service where a direct replacement is needed. It is pre-balanced for installation and built with 100% new yokes, tubes, and universal joints, with a slip yoke and greaseable design for serviceability.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSteel drive shaft construction\u003c\/li\u003e\n\u003cli\u003ePre-balanced assembly for installation readiness\u003c\/li\u003e\n\u003cli\u003e100% new yokes, tubes, and universal joints\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\u003eDrive shaft length: 135.7 in\u003c\/li\u003e\n\u003cli\u003eShaft diameter: 3.5 in\u003c\/li\u003e\n\u003cli\u003eWall thickness: 0.083 in\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details\u003c\/h2\u003e\u003cp\u003eThis Dorman drive shaft is built as a complete replacement assembly for driveline repair on applications that require a steel shaft with adjustable overall length. The 946-303 uses new structural and rotating components to restore driveline function, and its pre-balanced construction helps reduce the need for additional setup before installation. This part cross-references Ford 3C3Z4R602AZ for the same application.\u003c\/p\u003e\u003cp\u003eFor Ford drive shaft replacement searches, Ford F-250 Super Duty drive shaft replacement, and Ford F-350 Super Duty driveline repair, Dorman 946-303 provides a direct-service solution where the original shaft has wear, vibration, or joint-related issues.\u003c\/p\u003e\u003ch2\u003eCommon Issues This Part Addresses\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDriveline vibration from a worn or out-of-balance shaft\u003c\/li\u003e\n\u003cli\u003eNoise from worn universal joints or yokes\u003c\/li\u003e\n\u003cli\u003eExcess play from a damaged slip yoke\u003c\/li\u003e\n\u003cli\u003eCorrosion or structural wear in the original steel shaft\u003c\/li\u003e\n\u003cli\u003eLength or fit concerns after driveline service\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify shaft length, diameter, wall thickness, and slip yoke configuration before installation. Confirm the vehicle application against the original part number 946-303 and the interchange reference 3C3Z4R602AZ. Inspect related driveline components, including mounts and joints, so the replacement shaft is installed into a clean, serviceable system.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDorman builds this assembly with new yokes, tubes, and universal joints and supplies it pre-balanced for a ready-to-install replacement. The greaseable design supports routine maintenance after installation.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":52798252515509,"sku":"BKKY-946-303","price":2019.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_946303_Ang.jpg?v=1784007657","url":"https:\/\/www.partcatalog.com\/products\/dorman-946-303-drive-shaft-rear","provider":"PartCatalog","version":"1.0","type":"link"}