Genuine OEM Volkswagen Supercharger Gasket, part number 03C145773D. This gasket is used to seal the supercharger assembly to the engine or associated components, preventing air leaks and ensuring efficient operation. It is positioned at the interface between the supercharger and the engine. Made from durable, heat-resistant materials to withstand the demanding conditions of forced induction. Genuine OEM gaskets ensure a precise fit and reliable seal, critical for maintaining proper boost pressure and the performance of the supercharged engine.