Genuine OEM Audi cylinder head gasket, part number 07L103484H. This critical component provides a high-pressure seal between the engine block and the cylinder head, preventing the leakage of combustion gases, coolant, and oil. It is installed between the engine block and the cylinder head assembly. Engineered to withstand extreme thermal cycling and high internal pressures. Genuine OEM gaskets are vital for maintaining factory-specified compression ratios and preventing internal engine damage due to fluid cross-contamination.