A retaining pin ventilation flap for the Citroen 2CV is a vital hardware component that securely holds the car's ventilation flap in place. It ensures the flap functions correctly and prevents unwanted movement during driving, thus maintaining optimal airflow in the interior. Made from durable materials, this pin resists wear and provides long-lasting service, essential for preserving the original driving comfort and ventilation efficiency of the Citroen 2CV. Perfectly fitting and easy to install, it is an indispensable small part for any 2CV enthusiast.