Genuine OEM Volkswagen Coolant Hose, part number 057121061E. This flexible hose is a vital part of the engine cooling system, responsible for transferring coolant between various engine components to regulate temperature. It is a short, curved hose designed for a specific routing path. Weighing 0.02 kg, this hose is constructed from durable, heat-resistant materials. Using a genuine OEM coolant hose ensures the correct material composition, internal diameter, and resistance to temperature and pressure fluctuations, which are critical for preventing leaks and maintaining cooling system integrity.