Genuine OEM Volkswagen Coolant Hose, part number 3Q0122101BA. This hose is designed to facilitate the flow of coolant within the engine cooling system, featuring a quick-release coupling for secure and efficient connections. It plays a vital role in maintaining optimal engine operating temperatures. Measuring 0.38m in length, this hose is engineered for precise routing and durability. Using a genuine OEM hose ensures correct routing geometry, resistance to temperature extremes, and long-term leak-free performance.