Genuine OEM Audi Engine Coolant Hose, part number 059121053J. This hose is responsible for carrying vital engine coolant between various components, playing a crucial role in maintaining the engine's operating temperature. It is a U-shaped hose connecting to the oil filter housing in the engine cooling system. Weighing 0.035 kg and measuring 0.135 m in length, this hose is designed for specific routing. Opting for a genuine OEM hose guarantees the correct material composition, flexibility, and precise routing geometry to prevent leaks and ensure efficient cooling.