Genuine OEM Audi Engine Coolant Hose, part number 4K0265387H. This critical component is responsible for transporting engine coolant between various parts of the cooling system, ensuring the engine maintains its optimal operating temperature. It is positioned within the complex network of cooling lines in the engine bay. Made from durable, heat-resistant rubber, this hose weighs approximately 0.114 kg and measures 0.28m in length. Using a genuine OEM hose guarantees the correct material composition, precise internal diameter, and exact routing geometry, which are essential for preventing leaks, resisting degradation from heat and pressure, and ensuring efficient coolant flow.