91305-PE2-003 O-Ring (9.8X1.9) - Overview. The 91305-PE2-003 O-Ring (9.8X1.9) is a critical sealing component within Honda marine engine systems. This genuine OEM part ensures effective sealing to prevent water intrusion and maintain system integrity, preserving the reliable operation of your Honda marine engine. With precise dimensions of 9.8 mm outer diameter and 1.9 mm cross-section, it guarantees seamless integration with existing parts, maintaining optimal performance and durability.. Key F