Genuine OEM Volkswagen Radiator Coolant Hose, part number 1J0122073BG. This vital component is responsible for circulating engine coolant between the engine and the radiator, playing a key role in maintaining the engine's optimal operating temperature. It features a specific molded shape for correct routing and a quick-connect fitting for secure installation. Constructed from high-quality, heat-resistant molded rubber, this hose is designed to withstand the pressures and temperatures of the cooling system. Choosing a genuine OEM coolant hose ensures precise fitment, correct fluid resistance, and long-term durability, preventing leaks and maintaining efficient engine cooling.