The ignition tube O-ring for Citroën 11CV, HY and ID is a crucial component that ensures a proper seal from the ignition rod to the engine. This rubber ring prevents oil or coolant leaks, enhancing the engine's function and longevity. Suitable for the classic Citroën model, the O-ring protects the mechanism from dust and moisture, ensuring optimal performance. Made from high-quality materials, this O-ring is resistant to high temperatures and wear, making it a reliable choice for the maintenance or restoration of your classic Citroën 11CV, HY, or ID.