41131-ZVD-000 Pinion Gear - Overview. The 41131-ZVD-000 Pinion Gear is a vital marine engine component that operates within the drivetrain system of Honda marine engines. This genuine Honda part plays a critical role in transmitting rotational power from the engine to other gears, ensuring the smooth and efficient operation of your boat's propulsion system. Crafted to meet factory specifications, it ensures seamless integration with existing parts, maintaining optimal performance and durability.