Genuine OEM Audi cylinder head gasket, part number 07L103161H. This gasket provides a high-pressure, heat-resistant seal between the engine block and the cylinder head, preventing the leakage of coolant, oil, and combustion gases. It is positioned at the primary interface between the engine block and the cylinder head assembly. Engineered with multi-layer steel construction, it is designed to withstand extreme thermal expansion and high combustion pressures. Genuine OEM gaskets are essential for maintaining correct compression ratios and ensuring the long-term structural integrity of the engine block assembly.