41101-ZY1-C00ZB Gear Nhb14m Case - Overview. The 41101-ZY1-C00ZB Gear Nhb14m Case is a critical component within Honda marine engine systems. This gear case houses and protects the internal gears responsible for transmitting power in the outboard motor's lower unit. Built to exact factory specifications, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. Genuine OEM component designed to match Honda's factory dimensions and toleran