Genuine OEM Volkswagen Air Distribution Box, part number 3QF820353D. This component is part of the HVAC system and is responsible for directing airflow to different sections of the vehicle's cabin. It is positioned within the main HVAC unit. The part weighs 3.358 kg and has dimensions of 0.45m x 0.415m x 0.45m. Genuine OEM parts are crucial for HVAC systems as they guarantee precise airflow control and integration with other climate components, ensuring optimal cabin comfort and system efficiency.