41100-ZVA-000ZA Gear Nh246 Case - Overview. The 41100-ZVA-000ZA Gear Nh246 Case is an essential component in Honda marine engine systems. This gear case supports the marine gear housing system, providing durable and reliable protection for internal gear components. Designed to ensure smooth mechanical motion within the engine's marine drive system, it maintains optimal performance and extends the service life of the equipment. Engineering precision allows seamless integration with existing parts