Genuine OEM Volkswagen Coolant Air Guide, part number 5H0121284F. This air guide directs airflow to the coolant reservoir and potentially the electric vacuum pump for optimal system operation. It is positioned on the left side of the radiator assembly. The part weighs 0.14 kg and has dimensions of 0.51m x 0.2m x 0.072m. Genuine OEM parts are manufactured to exact specifications, ensuring precise fitment and optimal performance for critical cooling system components.