Genuine OEM Porsche Cylinder Head Gasket, part number 9A110414900. This gasket seals the cylinder head to the engine block, preventing leaks of combustion gases, coolant, and oil. It is a critical component for maintaining engine compression and preventing internal contamination. Made from multi-layer steel or composite materials for high-temperature resistance. Genuine OEM cylinder head gaskets ensure precise sealing and durability under extreme engine conditions.