Genuine OEM Audi Engine Coolant Hose, part number 057121497M. This hose is an integral part of the engine cooling system, responsible for transporting coolant between various components to regulate engine temperature. It is a curved hose, precisely shaped for its specific location within the cooling assembly. Weighing 0.083 kg and measuring 0.3 m in length, it is constructed to withstand the temperatures and pressures of the cooling system. Choosing a genuine OEM coolant hose ensures an exact fit, resistance to coolant degradation, and reliable performance, preventing leaks and overheating.