Genuine OEM Audi Radiator Coolant Hose, part number 6R0122101R. This critical component is designed to carry coolant between the engine and the radiator, playing a key role in the vehicle's thermal management system. It is integrated within the radiator assembly, ensuring proper fluid circulation. With a length of approximately 0.43 meters, it is engineered for precise routing and connection points. Using a genuine OEM coolant hose ensures correct fluid resistance, pressure handling, and exact routing geometry for leak-free and reliable performance.