41100-ZVP-802ZB Gear *NHB14M* Case - Overview. The 41100-ZVP-802ZB Gear *NHB14M* Case is a critical component within Honda marine engine systems. This case houses and protects gears within the power transmission system, ensuring reliable and efficient transfer of power to the propeller. Designed to endure demanding marine environments, it plays a vital role in maintaining the integrity and smooth operation of the marine drive system. Manufactured to factory specifications, it ensures seamless in