Genuine OEM Volkswagen Air Conditioning Evaporator, part number 2HJ816103DB. This component absorbs heat from the cabin air, causing the refrigerant to evaporate and cool the air. It is located in the climate control assembly. The evaporator is a critical part of the air conditioning system, responsible for the primary cooling function. Genuine OEM evaporators are manufactured to precise tolerances to ensure efficient heat exchange and long service life.