{"product_id":"dorman-946-344-drive-shaft-rear","title":"Dorman 946-344 Drive Shaft - Rear","description":"\u003ch2\u003eDrive Shaft Assembly for Express and Savana\u003c\/h2\u003e\u003cp\u003eThis Dorman drive shaft assembly is built for rear applications on select Chevrolet Express and GMC Savana vans. Part number 946-344 is pre-balanced and supplied as a complete replacement shaft with new yokes, tubes, and joints for a direct driveline service solution.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSteel shaft construction for driveline strength\u003c\/li\u003e\n\u003cli\u003ePre-balanced assembly for smoother operation after replacement\u003c\/li\u003e\n\u003cli\u003e100% new yokes, tubes, constant velocity joints, 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 for application-specific setup\u003c\/li\u003e\n\u003cli\u003eDrive shaft length: 98.406 in\u003c\/li\u003e\n\u003cli\u003eDrive shaft wall thickness: 0.083 in\u003c\/li\u003e\n\u003cli\u003eShaft diameter: 3.5 in\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eDorman 946-344 is a rear drive shaft assembly for 2010-2017 Chevrolet Express 2500, 2010-2017 Chevrolet Express 3500, 2010-2017 GMC Savana 2500, and 2010-2017 GMC Savana 3500 with a 2-piece shaft assembly note. It is built from steel and includes a slip yoke, greaseable design, and adjustable overall length to support proper driveline fitment. This part cross-references OE number 20919637 for the same application.\u003c\/p\u003e\u003cp\u003eFor buyers searching for a 2010-2017 Chevrolet Express 2500 rear drive shaft replacement or a 2010-2017 GMC Savana 3500 rear driveshaft assembly, part number 946-344 provides a complete service part for driveline repair. The assembly is intended to simplify replacement by arriving pre-balanced and assembled with new core driveline components.\u003c\/p\u003e\u003ch2\u003eCommon Repair Uses\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 joints\u003c\/li\u003e\n\u003cli\u003eService replacement after shaft tube or yoke wear\u003c\/li\u003e\n\u003cli\u003eLoss of smooth power transfer through the driveline\u003c\/li\u003e\n\u003cli\u003eFitment-specific replacement for Express and Savana rear driveline service\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify rear application, wheelbase, and 2-piece shaft assembly configuration before installation. Confirm shaft length and slip yoke engagement against the original part, and inspect related driveline components for wear before final assembly. Because this is a greaseable drive shaft, follow the vehicle service procedure for lubrication intervals after installation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDorman supplies this drive shaft assembly as a complete replacement unit with new yokes, tubes, CV joints, and universal joints, and it is pre-balanced for installation readiness. Part number 946-344 is engineered for direct replacement service on the listed Chevrolet Express and GMC Savana rear applications.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":52798253727925,"sku":"BKKY-946-344","price":1107.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_946344_Fro.jpg?v=1784007861","url":"https:\/\/www.partcatalog.com\/products\/dorman-946-344-drive-shaft-rear","provider":"PartCatalog","version":"1.0","type":"link"}