The O-ring for the intake tube is a vital component for the reservoir of the Citroën DS, designed to provide a reliable seal and prevent leaks. This small but crucial part ensures no fluids escape the system, maintaining the integrity of the fuel and oil circulation and preventing engine malfunctions. The O-ring is made from high-quality rubber material, resistant to the chemical compositions of fuels and oils. It is specifically manufactured to support the complex needs of the classic Citroën DS, ensuring the vehicle remains in optimal working condition.