Genuine OEM Audi Engine Vacuum Hose, part number 057131375L. This hose is designed to carry vacuum pressure to various engine components, facilitating their proper function within the engine's vacuum system. It is an integral part of the engine's complex network of vacuum lines. Measuring approximately 0.495 meters in length, it is engineered for precise routing. Choosing a genuine OEM vacuum hose ensures the correct material composition and precise internal diameter for maintaining consistent vacuum pressure and long-term durability.