The CARTERSTOPRING 16x22 (FLAT) for Citroen 2CV, DS, HY, and GS is a vital automotive part. This sealing ring is designed to ensure a secure closure of the oil pan, preventing leaks. With a flat shape and a diameter of 16x22 millimeters, it fits classic Citroën models. The material provides a perfect seal between the oil pan and engine, keeping the vehicle in optimal condition. Ideal for restoration projects and maintaining iconic French vehicles from past decades. It's a small, but crucial component for the reliability of your classic car.