41100-ZX2-E11ZA Gear *NHB14M* Case - Overview. The 41100-ZX2-E11ZA Gear *NHB14M* Case is a critical gear housing component designed to support Honda marine engine systems. It serves as the robust enclosure and structural framework for the gears within the marine engine's transmission, ensuring seamless integration with existing parts while maintaining optimal performance and durability.. Key Features. Genuine OEM Honda gear case designed specifically for marine applications.. Provides structural