Genuine OEM Volkswagen Cylinder Head, part number 03G103351C. This cylinder head is a fundamental engine component that forms the top part of the engine's cylinders, housing the valves, spark plugs, and combustion chambers. It is essential for the engine's operation by controlling the flow of air, fuel, and exhaust gases. Constructed from high-quality aluminum, it ensures excellent heat dissipation and structural integrity under high temperatures and pressures. Genuine OEM parts are manufactured to exact specifications, ensuring precise fitment and optimal engine performance and longevity.