Genuine OEM Audi Coolant Hose, part number 4KE145947M. This hose is crucial for transporting coolant within the engine cooling system, maintaining optimal engine operating temperatures. It connects various components within the cooling circuit, including the radiator. Measuring 0.18 m in length and weighing 0.105 kg, it is designed for specific routing. Choosing a genuine OEM coolant hose ensures the correct material composition, pressure resistance, and precise routing geometry for leak-free and efficient cooling performance.