Genuine OEM Volkswagen Coolant Pipe, part number 0XW121049. This pipe transports coolant between engine components and the radiator. It is located at position 44 in the cooling system diagram. The pipe has dimensions of 0.27m x 0.093m x 0.05m. Genuine OEM coolant pipes are manufactured to exact specifications to ensure proper coolant flow and prevent leaks, critical for maintaining optimal engine temperature.