Genuine OEM Volkswagen Injection Rail, part number 05E133317A. This component is part of the fuel system and serves to distribute pressurized fuel evenly to the engine's fuel injectors. It is typically mounted on the cylinder head. The part has dimensions of approximately 0.325m x 0.07m x 0.05m and weighs 0.286kg. Genuine OEM injection rails are manufactured with exact internal passages and sealing surfaces to ensure consistent fuel pressure and prevent leaks.