Genuine OEM Volkswagen Heat Exchanger, part number 7E1819031B. This component is crucial for transferring heat between fluids within the vehicle's heating and air conditioning system. It is typically located within the main HVAC assembly, facilitating temperature regulation for the cabin. Weighing 1.232 kg with dimensions of 0.31m x 0.34m x 0.185m, this part is designed for Left Hand Drive (LHD) configurations. Choosing a genuine OEM heat exchanger ensures precise fitment, efficient heat transfer, and long-term durability, maintaining factory performance standards.