91301-P8A-A00 O-Ring (48.5X2.4) - Overview. The 91301-P8A-A00 O-Ring (48.5X2.4) is a critical sealing component within Honda marine engine systems. This genuine Honda part provides secure sealing to prevent fluid and gas leaks in essential engine areas, ensuring the marine engine operates reliably. Crafted to exact OEM specifications, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. This O-Ring serves as a front engine camshaft s