Genuine OEM Audi Radiator Hose, part number 8K0145920E. This hose is crucial for the engine cooling system, transporting coolant between the engine and the radiator to maintain optimal operating temperatures. It weighs approximately 0.271 kg and measures 0.44 meters in length. Choosing a genuine OEM hose ensures precise routing geometry, correct material composition for coolant resistance, and reliable sealing to prevent leaks and maintain cooling system integrity.