Genuine OEM Audi Left Charge Air Cooler Air Guide, part number 4M0145333C. This component is vital for optimizing engine performance by precisely guiding ambient airflow to the charge air cooler. It is positioned on the left side of the vehicle, adjacent to the charge air cooler. Weighing 0.506 kg, this guide ensures efficient heat exchange. Using a genuine OEM air guide guarantees the correct aerodynamic shape and durable construction, crucial for maintaining optimal intake air temperatures and engine power output.