Genuine OEM Audi Coolant Hose, part number 4E0265379R. This flexible hose is an essential part of the engine cooling system, responsible for carrying coolant between various engine components, including the radiator, to regulate temperature. Weighing approximately 0.161 kg and measuring 0.36 m in length, this hose is designed for exact routing and secure connections. Choosing a genuine OEM coolant hose ensures the correct material composition, resistance to heat and pressure, and precise geometry for effective thermal management and long-term engine reliability.