41131-ZV1-000 Pinion - Overview. The 41131-ZV1-000 Pinion is an essential gear component that supports the lower unit gear system in Honda marine engine systems. This pinion gear is specifically designed to mesh with other gears to effectively transmit power from the engine's rotational output to the propeller system, enabling smooth propulsion and reliable operation. Crafted to meet exact Honda factory specs, this genuine OEM part ensures seamless integration with existing hardware, maintaining