Genuine OEM Audi Left Air Duct, part number 4M0121333AC. This component is designed to efficiently convey air for various cooling purposes within the vehicle, contributing to optimal thermal management. It is positioned on the left side of the vehicle. Weighing 0.299 kg and made from durable black plastic, this duct maintains precise airflow. Using a genuine OEM air duct ensures the correct shape, secure fitment, and material resilience, crucial for effective cooling and overall system integrity.