Genuine OEM Audi Coolant Hose, part number 6C0122447H. This hose is designed to carry coolant between various engine components, playing a critical role in the engine's cooling system. The diagram shows it connecting directly to the radiator. Weighing 0.1474 kg and measuring 0.44 m in length, it is engineered for precise routing and fitment. Using a genuine OEM coolant hose ensures proper heat resistance, pressure integrity, and a leak-free connection, vital for maintaining optimal engine temperature.