Genuine OEM Volkswagen Heat Exchanger Return Coolant Pipe, part number 2E0819911A. This pipe plays a critical role in the engine cooling system by efficiently returning coolant from the heat exchanger. It is an integral part of the heating and ventilation assembly. With a length of 0.2 meters and weighing 0.041 kg, this pipe is designed for precise fitment and optimal fluid transfer. Using a genuine OEM coolant pipe ensures correct routing geometry, material resistance to heat and pressure, and a leak-free connection, preventing coolant loss and engine overheating.