41101-ZW9-C00ZB Gear *NHB14M* Case - Overview. The 41101-ZW9-C00ZB Gear *NHB14M* Case is an essential component within Honda marine engine systems. It functions as the protective housing for the gears responsible for power transmission, ensuring the marine propulsion system operates smoothly and reliably. As a genuine OEM part, this gear case is engineered to provide a seamless fit with existing components, maintaining peak performance and durability.. Key Features. Genuine Honda OEM gear case d