Genuine OEM Audi Engine Vacuum Hose, part number 0P2131179B. This essential component is responsible for carrying vacuum pressure to various engine systems, enabling proper operation of components like brake boosters, emissions controls, and other actuators. It is integrated within the engine's complex vacuum network. Weighing 0.018 kg, this hose is designed for flexibility and durability. Using a genuine OEM vacuum hose ensures the correct material composition and precise dimensions for a leak-free seal and reliable vacuum system performance.