Genuine OEM Audi Outer Cooler Air Guide, part number 4M0121333AB. This left-side air guide is designed to precisely direct airflow to the outer coolant cooler, ensuring efficient heat dissipation and maintaining optimal engine operating temperatures. Made from durable materials, it weighs 0.307 kg. Using a genuine OEM air guide guarantees proper fitment and aerodynamic efficiency, crucial for effective cooling and preventing overheating.