Genuine OEM Audi transmission clutch disc set, part number 01J398944D. This set contains the necessary friction discs required for the internal clutch assembly of the transmission. It is marked as number 11 in the provided technical diagram. These components are manufactured to exact factory tolerances to ensure proper engagement and long service life. Using genuine OEM parts is critical for transmission rebuilds to maintain correct hydraulic pressure and friction characteristics, preventing slippage and premature wear.