Genuine OEM Audi Coolant Hose, part number 2X0121609. This hose is crucial for transporting coolant for heat exchange, connecting directly to the radiator assembly. It is positioned as a connection hose to the radiator. With a length of 0.13m, this hose is engineered for precise routing and connection. Genuine OEM hoses are manufactured to exact specifications, providing superior resistance to temperature extremes and pressure, preventing leaks and ensuring long-term reliability of the cooling system.