Genuine OEM Volkswagen Water Radiator Hose, part number 2E0122447F. This left-side hose is a critical component of the engine cooling system, responsible for transporting coolant to and from the radiator. It ensures efficient heat exchange and maintains optimal engine operating temperatures. Manufactured from high-quality, heat-resistant rubber, a genuine OEM hose provides the correct routing geometry, pressure resistance, and material integrity for a leak-free and reliable cooling system.