Genuine OEM Audi Engine Coolant Feed Hose, part number 4H1819372AE. This hose is responsible for supplying coolant to the engine, playing a crucial role in the thermal management system. It ensures the consistent flow of coolant to critical engine components. Weighing 0.218 kg, the hose measures 0.41 meters in length. Using a genuine OEM coolant feed hose guarantees the correct material composition for heat and pressure resistance, along with precise routing geometry to prevent leaks and ensure optimal cooling.