Genuine OEM Audi Engine Vacuum Hose, part number 03L131055BB. This critical component is designed to carry vacuum pressure to various engine system components, enabling the proper function of actuators, valves, and other vacuum-operated systems. It is integrated into the engine's vacuum network, connecting multiple points. Weighing 0.015 kg, this hose ensures precise pressure delivery. Choosing a genuine OEM vacuum hose guarantees the correct material composition, internal diameter, and routing geometry, preventing vacuum leaks and ensuring reliable engine performance.