Genuine OEM Volkswagen Engine Cooling Hose, part number 5C0121096B. This hose is responsible for transporting coolant within the engine cooling system, helping to regulate engine temperature. It is positioned towards the rear of the engine bay, connecting specific cooling components. Weighing approximately 0.13 kg, this hose is designed for precise fitment. Choosing a genuine OEM hose ensures correct routing, material resistance to heat and pressure, and a leak-free connection for reliable cooling system performance.