41100-ZVT-700ZC Gear Nhb14m Case - Overview. The 41100-ZVT-700ZC Gear Nhb14m Case is an essential component within Honda marine engine systems. It specifically supports the gear housing system, playing a critical role in transmitting power efficiently from the engine to the propeller. Engineered to meet factory specifications, this gear case ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. Precision-engineered gear case designed to