Genuine OEM Audi Engine Vacuum Hose, part number 03L131552AR. This hose is essential for carrying precise vacuum pressure to various engine components, which is critical for systems like braking, emissions, and turbocharger control. Weighing 0.022 kg and measuring 0.45 meters in length, it ensures accurate routing and connection. Using a genuine OEM vacuum hose guarantees the correct material flexibility and resistance to collapse, maintaining consistent vacuum levels for optimal engine performance and reliability.