41100-ZX2-C11ZA Gear *NHB14M* Case - Overview. The 41100-ZX2-C11ZA Gear *NHB14M* Case is a vital component within Honda marine engine systems. This OEM gear case supports the marine propulsion system by housing critical gears and ensuring their smooth operation, which is essential for maintaining reliable and efficient power transmission. Manufactured to precise Honda specifications, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Feature