41100-ZY3-E13ZB Case Gear *NHB14M* - Overview. The 41100-ZY3-E13ZB Case Gear *NHB14M* is a crucial component within Honda marine engine systems. This part acts as a gear case, supporting the transmission system by housing and protecting the gears responsible for power transmission in Honda outboard engines. Engineered to OEM specifications, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. This Case Gear serves as the protective h