Genuine OEM Skoda Cylinder Head, part number 06K103264C. This is the complete cylinder head assembly for the engine, which forms the upper part of the engine block and contains the combustion chambers, valves, and ports. It is marked as number 1 in the diagram. This part weighs 20.231 kg and measures 0.44m x 0.28m x 0.2m. Genuine OEM cylinder heads are manufactured to exact tolerances for proper sealing, heat dissipation, and valve operation, ensuring reliable engine function.