{"product_id":"dorman-946-341-drive-shaft-rear","title":"Dorman 946-341 Drive Shaft - Rear","description":"\u003ch2\u003eDrive Shaft for Express 3500 and Savana 3500\u003c\/h2\u003e\u003cp\u003eDorman 946-341 is a complete rear drive shaft assembly for select Chevrolet Express 3500 and GMC Savana 3500 applications. It is pre-balanced for installation and built with all-new yokes, tubes, CV joints, and universal joints to support a direct replacement on the specified vehicles.\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\u003c\/li\u003e\n\u003cli\u003e100% new yokes, tubes, CV joints, and universal joints\u003c\/li\u003e\n\u003cli\u003eSlip yoke included\u003c\/li\u003e\n\u003cli\u003eGreaseable design for serviceability\u003c\/li\u003e\n\u003cli\u003eOverall length adjustable for fitment requirements\u003c\/li\u003e\n\u003cli\u003eDrive shaft length: 103.194 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\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eThis Dorman drive shaft, part number 946-341, is built as a complete replacement assembly for rear driveline service on Chevrolet Express 3500 and GMC Savana 3500 vans with the listed axle ratio and shaft configurations. The steel construction, adjustable overall length, and slip yoke help match the original driveline layout, while the greaseable design supports routine maintenance. This part cross-references GM 20817184 for the same application.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Fix\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVibration from a worn or out-of-balance driveshaft\u003c\/li\u003e\n\u003cli\u003eClunking or driveline noise from worn joints or yokes\u003c\/li\u003e\n\u003cli\u003eExcess play caused by damaged shaft components\u003c\/li\u003e\n\u003cli\u003eService issues related to a failing rear drive shaft assembly\u003c\/li\u003e\n\u003cli\u003eFitment problems when replacing the original shaft on the listed vans\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify axle ratio, wheel configuration, and shaft assembly type before ordering. Fits 2021-2023 Chevrolet Express 3500, rear, w\/RPO Code GT4 (3.73 Axle Ratio). Fits 2021-2023 GMC Savana 3500, rear, w\/RPO Code GT4 (3.73 Axle Ratio). Fits 2018-2020 Chevrolet Express 3500, rear, 2 Piece Shaft Assembly; w\/RPO Code GT4 (3.73 Axle Ratio) or GT5 (4.10 Axle Ratio). Fits 2018-2020 GMC Savana 3500, rear, 2 Piece Shaft Assembly; w\/RPO Code GT4 (3.73 Axle Ratio) or GT5 (4.10 Axle Ratio). Fits 2013-2017 Chevrolet Express 3500, rear, w\/Dual Rear Wheels (DRW); 2 Piece Shaft Assembly. Fits 2013-2017 GMC Savana 3500, rear, w\/Dual Rear Wheels (DRW); 2 Piece Shaft Assembly. Fits 2013-2016 Chevrolet Express 3500, rear, w\/Single Rear Wheel (SRW); 2 Piece Shaft Assembly. Fits 2013-2016 GMC Savana 3500, rear, w\/Single Rear Wheel (SRW); 2 Piece Shaft Assembly. Fits 2010-2012 Chevrolet Express 3500, rear, 2 Piece Shaft Assembly. Fits 2010-2012 GMC Savana 3500, rear, 2 Piece Shaft Assembly. Confirm driveline measurements and vehicle build details before installation on Chevrolet Express 3500 and GMC Savana 3500 models.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDorman manufactures replacement driveline components for direct-fit service applications. Part number 946-341 is supplied as a complete assembly with new internal and external driveline components for the listed fitments.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":52798253596853,"sku":"BKKY-946-341","price":1380.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_946341_Fro.jpg?v=1784007841","url":"https:\/\/www.partcatalog.com\/products\/dorman-946-341-drive-shaft-rear","provider":"PartCatalog","version":"1.0","type":"link"}