Genuine OEM Audi Engine Vacuum Line, part number 057131377L. This line is crucial for transmitting vacuum pressure to various engine components, enabling their correct function. It is positioned within the engine bay as part of the vehicle's vacuum system. Weighing 0.091 kg, this line measures 0.575 m in length. Choosing a genuine OEM vacuum line ensures the correct routing geometry, material integrity, and resistance to engine bay conditions for reliable, leak-free performance.