Genuine OEM Audi Coolant Hose with Coupling, part number 4K0122055T. This hose is designed to transport coolant within the engine cooling system, typically connecting to the radiator. It features integrated couplings for secure and quick connections. Measuring approximately 0.22 meters in length, a genuine OEM coolant hose ensures correct routing geometry, material resistance to coolant, and reliable sealing for optimal engine temperature regulation.