Genuine OEM Volkswagen Cabin Air Filter, part number 2HJ819631A. This filter is essential for removing dust, pollen, and other airborne contaminants from the air entering the vehicle's cabin, ensuring a cleaner interior environment. It is located within the HVAC system, as indicated by diagram position 7. This cabin air filter is designed with specific media to capture fine particles effectively. Genuine OEM filters provide the correct airflow resistance and filtration efficiency for optimal HVAC performance.