Genuine OEM Volkswagen Upper Front Coolant Hose, part number 5K0122447L. This hose is located in the upper front section of the engine and is responsible for transporting coolant within the cooling system, ensuring efficient heat exchange. Its specific curved shape is designed for precise routing and connection to the expansion tank. Weighing approximately 0.06 kg, it is engineered for durability. Using a genuine OEM hose ensures the correct material composition, pressure resistance, and routing geometry, preventing leaks and maintaining cooling system integrity.