Genuine OEM Audi Transmission Housing Cover Gasket, part number 01J301475N. This essential gasket is designed to create a leak-proof seal between the transmission housing and its cover, preventing the escape of vital transmission fluid. It measures approximately 29.5 cm in length and 25 cm in width, with a thickness of 1 mm. Using a genuine OEM gasket ensures precise dimensions, correct material composition, and optimal sealing performance, which is crucial for the longevity and proper operation of the transmission.