41100-ZZ3-E02ZC Gear *NHB14M* Case - Overview. The 41100-ZZ3-E02ZC Gear *NHB14M* Case is an essential component for Honda marine engine systems, designed to house and protect the gears that transmit power from the engine to the propeller. This gear case supports the mechanical system integral to the propulsion of your boat, ensuring reliable and consistent power transfer for optimal performance. Manufactured to meet strict factory specifications and tolerances, it ensures seamless integration wi