Genuine OEM Volkswagen Coolant Hose, part number 2Q0122051BF. This hose is designed to transport coolant throughout the engine cooling system, playing a critical role in temperature regulation. It features an integrated connecting clutch for a secure and leak-free attachment. With a length of approximately 0.43 meters, this hose is engineered for precise routing. Using a genuine OEM coolant hose ensures proper fitment, resistance to temperature extremes and pressure, and prevents coolant leaks, which are vital for engine longevity.