Genuine OEM Audi Engine Cylinder Head Gasket, part number 057103383HG. This essential component creates a critical seal between the engine block and the cylinder head, preventing the leakage of combustion gases, engine oil, and coolant. It is positioned directly between these two major engine components. Measuring approximately 0.435 meters in length and 0.2 meters in width, and weighing 0.344 kg, it is typically constructed from multi-layer steel (MLS) or composite materials. Choosing a genuine OEM gasket ensures the correct material composition, precise dimensions, and optimal sealing properties to withstand extreme engine temperatures and pressures.