Genuine OEM Volkswagen Dual Clutch Transmission Ventilation Pipe, part number 0BT301472C. This pipe is crucial for allowing the dual-clutch transmission to breathe, preventing internal pressure buildup and ensuring proper fluid circulation. It is located on the upper section of the transmission housing. Weighing 0.025 kg, this pipe measures 0.315m in length. Using a genuine OEM ventilation pipe guarantees the correct material, precise bends, and secure connections, which are vital for maintaining transmission health and preventing costly damage from pressure imbalances.