Genuine OEM Audi Compressor Vacuum Hose, part number 059145739E. This hose is integral to the engine's intake and turbo system, providing the necessary vacuum signal to control the compressor's operation. It connects to the compressor assembly, facilitating precise regulation of boost pressure. Measuring approximately 0.455 meters in length and weighing 0.062 kg, it is designed for durability. Using a genuine OEM vacuum hose ensures correct pressure resistance, precise routing, and proper signal transmission, which is critical for the accurate control and longevity of the compressor.