Genuine OEM Volkswagen Cylinder Head Gasket, part number 03L103383BJ. This gasket is designed to seal the cylinder head to the engine block, preventing combustion gases from escaping and coolant/oil from entering the combustion chambers. It is a critical component for maintaining engine compression and preventing leaks. Genuine OEM gaskets are manufactured from high-quality materials to withstand extreme temperatures and pressures, ensuring a reliable seal and long service life.