Genuine OEM Audi Vacuum Hose, part number 420131385G. This essential hose is responsible for transmitting vacuum pressure to various engine components, supporting a range of critical functions such as emissions control, brake boosting, or turbocharger wastegate actuation. It is an integral part of the engine's vacuum system. Constructed from durable, flexible material, this hose weighs approximately 0.093 kg. Choosing a genuine OEM vacuum hose ensures the correct material properties, precise routing, and proper sealing, which are vital for maintaining vacuum integrity and optimal engine performance.