Genuine OEM Volkswagen Vacuum Hose, part number 7P0133778. This hose is responsible for carrying vacuum pressure to various engine components, playing a critical role in systems like emissions control, braking assistance, and engine management. It is integrated within the engine's intake and vacuum system. Weighing 0.055 kg and measuring 0.405m long, this hose is designed for precise routing and connection. Genuine OEM hoses ensure the correct material composition for resistance to engine fluids and temperatures, preventing leaks and maintaining optimal system performance.