Genuine OEM Audi Coolant Hose, part number 7N0122051AC. This hose transports vital coolant between components within the engine cooling system, ensuring efficient heat dissipation and preventing engine overheating. It is positioned connecting to the radiator. Weighing 0.65 kg and measuring 0.42 m in length, this hose is designed for precise routing and connection. Choosing a genuine OEM coolant hose guarantees the correct material resistance to heat and pressure, preventing leaks and ensuring the long-term integrity of the cooling system.