Genuine OEM Audi Vacuum Pipe With Valve, part number 8K1611931L. This component is essential for transmitting vacuum signals or pressure within various vehicle systems, often related to braking or engine control. The integrated valve helps regulate vacuum flow and pressure. Weighing 0.035 kg and measuring 0.42m in length, this pipe is designed for precise routing and connection. Using a genuine OEM vacuum pipe ensures correct material composition for durability and resistance to vacuum collapse, along with accurate valve calibration for reliable system operation.