Genuine OEM Audi Engine Vacuum Pipe, part number 8T2131055. This pipe is designed to transport vacuum pressure for various engine functions, playing a crucial role in systems like brake boosting or emissions control. It is located within the engine bay, connecting to relevant vacuum-actuated components. Weighing only 0.016 kg, its precise bends and connections are vital. Genuine OEM vacuum pipes ensure correct routing, material integrity, and leak-free connections, which are essential for maintaining proper engine performance and emissions compliance.