Genuine OEM Volkswagen Coolant Hose with Coupling, part number 2Q0122101CF. This hose is a critical component of the engine cooling system, responsible for transporting coolant between various engine components, the radiator, and heat exchangers. It features an integrated coupling for secure and leak-free connections. Weighing 0.365 kg and measuring 0.5 meters in length, this genuine OEM hose is designed with specific routing geometry and material composition to withstand high temperatures and pressures, preventing leaks and ensuring optimal engine temperature regulation.