41131-ZY3-A00 Pinion Gear - Overview. The 41131-ZY3-A00 pinion gear is a vital component of the Honda marine engine systems. This pinion gear plays a crucial role in transmitting rotational power from the engine's crankshaft to the propeller shaft, ensuring reliable and efficient propulsion. Designed specifically for Honda marine applications, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. This pinion gear is an original OEM Ho