Genuine OEM Volkswagen Heat Exchanger, part number 7T0819032. This component facilitates the transfer of heat between the coolant and the air, warming or cooling the cabin. It is located in the climate control assembly, indicated as item 14 on the diagram. The part weighs 0.668 kg and has dimensions of 0.22m x 0.182m x 0.047m. Genuine OEM heat exchangers are precisely manufactured for optimal thermal transfer and durability.