91302-KF0-003 O-Ring (54X2.4) - Overview. The 91302-KF0-003 O-Ring (54X2.4) is an essential sealing component used in Honda marine engine systems. It serves a critical role in preventing leaks by providing a precise seal between components, ensuring reliable operation of the engine's fluid systems. Designed to match original factory specifications, this O-Ring fits perfectly within the designated housing and supports seamless integration with existing parts, maintaining optimal performance and d