Genuine OEM Audi Engine Vacuum Hose, part number 057131375G. This flexible hose is responsible for transferring vacuum pressure to various engine systems, playing a vital role in engine control, emissions, and auxiliary functions. It is an integral part of the engine's complex vacuum line network. The hose weighs approximately 0.036 kg and measures 0.49 meters in length. Choosing a genuine OEM vacuum hose guarantees the correct material composition, diameter, and routing geometry, ensuring a leak-free seal and maintaining precise vacuum levels for optimal engine performance and efficiency.