Genuine OEM Audi Upper Radiator Fan Air Guide, part number 4M0121285BH. This component is designed to channel airflow effectively around the radiator fan, maximizing its efficiency in drawing air through the radiator for optimal cooling. It is positioned in the upper section of the radiator fan assembly. Constructed from robust, automotive-grade plastic. Using a genuine OEM air guide ensures precise fitment and aerodynamic integrity, critical for maintaining stable engine temperatures.