Genuine OEM Audi Engine Vacuum Hose, part number 04L131055B. This hose is designed to carry vacuum pressure to various engine components, crucial for systems like braking assistance and emissions control. It is located within the engine bay, connecting different vacuum-actuated parts. Weighing 0.066 kg and measuring 0.36m in length, it is a lightweight yet critical component. Using a genuine OEM hose ensures precise fitment, correct material composition for vacuum integrity, and long-term durability under engine bay conditions.