Genuine OEM Audi Vacuum Hose, part number 06F133778B. This hose is designed to carry vacuum pressure to various engine components, playing a crucial role in systems such as emissions control or brake assistance. It measures approximately 0.495 meters in length. Opting for a genuine OEM vacuum hose ensures the correct material composition, resistance to heat and chemicals, and precise connector fitment, preventing leaks and maintaining engine efficiency.