Genuine OEM Audi Gasket, part number 0C8321181. This gasket is designed to seal the automatic shift exhaust cap, preventing leaks and ensuring proper system function. It is a small, circular gasket with specific internal and external diameters to match its mating components. The rubber construction provides flexibility and durability for a long service life. Genuine OEM gaskets are manufactured to exact specifications for a perfect fit and reliable sealing.