Genuine OEM Volkswagen Heat Exchanger Cover, part number 2Q0819422B. This component is designed to protect and enclose the heat exchanger within the vehicle's heating, ventilation, and air conditioning (HVAC) system. It is positioned adjacent to the heat exchanger inside the HVAC housing. Weighing 0.042 kg, this genuine OEM cover ensures proper insulation and airflow management, contributing to the efficient operation of the climate control system.