Genuine OEM Audi Engine Vacuum Hose, part number 03L131552E. This hose is responsible for transferring vacuum pressure to various engine components, supporting critical functions like braking assistance and emissions control. It connects different parts of the engine's vacuum system. The hose measures approximately 0.275 m in length and weighs 0.0135 kg. Using a genuine OEM vacuum hose ensures the correct material composition and routing geometry, preventing vacuum leaks that can impair engine performance and fuel efficiency.