Genuine OEM Audi Coolant Hose, part number 4M0265315G. This flexible hose is an integral part of the engine cooling system, responsible for carrying coolant between various engine components to regulate temperature. It connects to a pump or valve assembly within the cooling circuit. Weighing approximately 0.167 kg and measuring 0.43 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.