Genuine OEM Audi Cylinder Head Gasket, part number 03L103383DC. This essential gasket creates a robust seal between the cylinder head and the engine block, preventing the escape of combustion gases and the mixing of engine oil and coolant. Its multi-layer steel (MLS) construction, often featuring specialized sealing layers, is engineered to withstand the extreme thermal and mechanical stresses of engine operation. A genuine OEM gasket ensures precise fitment and optimal sealing characteristics, critical for maintaining engine performance, efficiency, and longevity.