Genuine OEM Audi Engine Coolant Hose, part number 8K1265387R. This hose is a crucial component in the engine cooling system, responsible for circulating coolant to maintain optimal engine operating temperatures. It is a flexible, curved rubber hose, approximately 0.29 meters long and weighing 0.095 kg, designed for specific routing within the cooling circuit. Using a genuine OEM coolant hose ensures the correct material composition, pressure resistance, and precise routing geometry, which are critical for preventing leaks and maintaining efficient thermal management.