Genuine OEM Volkswagen Heat Exchanger Return Pipe, part number 2E0819911. This pipe is a crucial component of the heating and air conditioning system, responsible for returning the cooling medium from the heat exchanger. It ensures proper circulation and temperature regulation within the cabin. Weighing 0.2 kg, this genuine OEM pipe is engineered for precise routing and resistance to temperature extremes and fluid corrosion, ensuring leak-free and efficient HVAC operation.