Genuine OEM Volkswagen Engine Coolant Hose, part number 7T0121107A. This hose is an essential component of the engine cooling system, responsible for transporting coolant to regulate engine temperature and prevent overheating. It is integrated within the engine's coolant circulation path. Weighing approximately 0.08 kg, this hose is designed for high temperature and pressure resistance. Using a genuine OEM coolant hose ensures proper material composition, flexibility, and resistance to coolant chemicals for long-term reliability and leak-free performance.