Genuine OEM Volkswagen Inlet Valve, part number 022109601AL. This valve is a critical component of the engine's valvetrain, responsible for precisely controlling the intake of the air-fuel mixture into the combustion chamber. It operates under high temperatures and pressures within the cylinder head. Located in the cylinder head, this inlet valve opens and closes in sync with the engine's camshaft. Genuine OEM inlet valves are manufactured to exact specifications for optimal sealing, durability, and performance.