Genuine OEM Volkswagen Exhaust Valve, part number 03D109611A. This valve is responsible for controlling the exit of exhaust gases from the engine's combustion chamber into the exhaust system. It is installed in the cylinder head. Manufactured from a high-temperature resistant alloy steel, it is designed for longevity under extreme engine conditions. Genuine OEM valves are precisely machined to ensure perfect sealing and optimal gas flow, contributing to engine efficiency and power.