Genuine OEM Volkswagen Vacuum Hose, part number 7P0133778A. This flexible hose is designed to transmit vacuum pressure to various engine components, playing a crucial role in engine control and emissions systems. It connects vacuum actuators or sensors within the engine assembly. Weighing only 0.015 kg, this hose is engineered for precise routing and durability under engine bay conditions. Using a genuine OEM vacuum hose ensures the correct material, diameter, and resistance to temperature and chemicals, preventing vacuum leaks that can lead to performance issues and fault codes.