Genuine OEM Audi Heater Coolant Feed Hose, part number 4M0265372C. This hose is a vital component in the heating and cooling system, responsible for supplying hot coolant to the vehicle's heater core, enabling cabin heating. Its specific routing and durable construction ensure efficient coolant flow. Measuring 0.14m in length and weighing 0.0406 kg, it provides a precise fit. Using a genuine OEM hose guarantees resistance to high temperatures and pressures, preventing leaks and ensuring consistent heating performance.