Genuine OEM Volkswagen Coolant Hose, part number 2E0121073A. This hose is a vital component of the engine cooling system, responsible for transporting coolant between the engine and radiator to maintain optimal operating temperatures. It is specifically routed within the engine bay. This hose weighs approximately 0.102 kg and measures about 0.26 meters in length. Using a genuine OEM hose guarantees the correct routing geometry, material composition for heat and pressure resistance, and secure connections, preventing leaks and ensuring efficient engine cooling.