Genuine OEM Volkswagen Water Coolant Hose, part number 2Q0122109J. This hose is a critical component in the engine cooling system, designed to efficiently carry coolant and maintain optimal engine operating temperature. Weighing 0.716 kg and measuring 0.46m in length, it is engineered for precise fitment within the cooling circuit. Using a genuine OEM hose ensures correct routing, material integrity, and resistance to temperature and pressure fluctuations, preventing leaks and maintaining cooling system efficiency.