Genuine OEM Volkswagen Left Radiator Coolant Supply Hose, part number 5QF122101D. This critical hose is positioned on the left side of the engine bay, responsible for supplying coolant to the radiator to maintain optimal engine operating temperatures. Constructed from durable, heat-resistant materials, it ensures a leak-free and efficient coolant flow. Weighing 0.581 kg and measuring 0.42 meters in length, this hose is engineered for precise routing and connection. Choosing a genuine OEM coolant hose guarantees the correct material composition, pressure resistance, and exact fitment for reliable engine cooling system performance.