Genuine OEM Audi Turbocharger Vacuum Hose, part number 06F145718R. This small, bent rubber hose is vital for providing vacuum to the turbocharger system, enabling precise control of boost pressure. It ensures the turbocharger's wastegate or bypass valve operates correctly. The hose weighs approximately 0.007 kg. Using a genuine OEM vacuum hose guarantees the correct material composition, flexibility, and resistance to heat and pressure, which is essential for maintaining consistent turbocharger performance and preventing boost leaks.