Genuine OEM Audi Engine Vacuum Line Assembly, part number 057131377AB. This component is responsible for transmitting vacuum pressure to operate various engine components, playing a crucial role in systems like emissions control or brake assistance. It is located within the engine compartment, connecting different modules and actuators. This assembly weighs approximately 0.099 kg and has dimensions of 0.57m x 0.285m x 0.065m. Choosing a genuine OEM vacuum line assembly ensures the correct routing geometry, material integrity, and proper valve calibration for leak-free operation and optimal engine performance.