Genuine OEM Audi Engine Intake System Vacuum Hose, part number 7L8133778F. This hose is a crucial component within the engine intake system, responsible for providing and maintaining vacuum pressure to various actuators and sensors. It ensures proper operation of intake manifold components and related engine functions. The diagram shows its specific routing within the intake manifold area. Weighing 0.054 kg and measuring approximately 0.35 meters in length, this hose is designed for precise routing and connection. Choosing a genuine OEM vacuum hose guarantees the correct material properties, precise dimensions, and resistance to engine bay conditions, preventing vacuum leaks that can compromise engine performance and efficiency.