91309-ML7-003 O-Ring (9.6x2.6) - Overview. The 91309-ML7-003 O-Ring (9.6x2.6) is a precise sealing component used within Honda marine engine systems, essential for maintaining effective sealing where tightness is crucial. This O-ring supports sealing subsystems, ensuring leaks are prevented and hydraulic or fuel system integrity is maintained. As a genuine Honda OEM part, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. Precisely