Genuine OEM Volkswagen Engine Coolant Hose, part number 5WA121109A. This hose is a vital component of the engine cooling system, responsible for transporting hot and cold coolant between various engine components. It ensures efficient heat exchange and maintains the engine's operating temperature. Weighing 0.072 kg and measuring 0.215m in length, this hose is designed for precise routing and connection. Using a genuine OEM hose guarantees correct material composition, pressure resistance, and routing geometry for reliable, leak-free performance.