Genuine OEM Volkswagen Coolant Hose, part number 1K0122051FA. This hose is specifically engineered to transport coolant to the clutch cooler, playing a vital role in maintaining the clutch's operating temperature. It is a curved black rubber hose, approximately 0.31 meters long, with a secure connector. Choosing a genuine OEM coolant hose ensures precise fitment, correct routing, and resistance to thermal and chemical degradation from coolant, which is critical for the longevity and performance of the clutch system.