Description

This O-ring is located in the flange of the flywheel and ensures (together with the flywheel seal) the sealing between the crankshaft and the flywheel.
When the flywheel has been removed, it is highly recommended to replace this O-ring and the flywheel seal. This is not mandatory, but it would be very unfortunate if the ring or the seal were to cause leakage after the engine has been installed.