Genuine OEM Volkswagen Coolant Hose, part number 5WA122051J. This hose is designed to transport engine coolant between various components of the cooling system, such as the radiator, thermostat housing, and engine block. It features a quick-release coupling for efficient and secure connections. Weighing 0.276 kg, this hose is engineered to withstand high temperatures and pressures. Using a genuine OEM coolant hose ensures proper routing, leak-free connections, and resistance to degradation from coolant chemicals, maintaining optimal engine temperature.