Genuine OEM Volkswagen Engine Coolant Hose, part number 4M0265371B. This hose is a crucial part of the engine cooling system, designed to transport coolant between various components to regulate engine temperature. It connects specific parts within the engine cooling circuit. This lightweight hose weighs 0.0358 kg. Using a genuine OEM coolant hose guarantees the correct material composition for heat and pressure resistance, precise routing geometry, and secure connections, preventing leaks and ensuring reliable engine cooling.