Genuine OEM Volkswagen Engine Coolant Hose, part number 2H0122051N. This hose is a vital component of the engine cooling system, responsible for carrying coolant to and from various engine components and the radiator. It ensures the engine maintains its optimal operating temperature, preventing overheating. Weighing 0.21 kg, a genuine OEM coolant hose provides the correct routing geometry and is made from materials resistant to heat and coolant chemicals, ensuring a leak-free and durable connection.