Genuine Detroit Diesel Doser Block Assy. The item "Detroit Diesel Doser Block Assy RA4710700055" is in sale since Saturday, February 8, 2020. This item is in the category "eBay Motors\Parts & Accessories\Commercial Truck Parts\Engines & Components\Valves". The seller is "partbuye-0" and is located in Green Bay, Wisconsin. This item can be shipped to United States.