41100-ZVL-040ZC Case Assembly*NHB14M* - Overview. The 41100-ZVL-040ZC Case Assembly*NHB14M* is a critical housing component for Honda marine engine systems. This OEM gear case assembly supports the gear system and serves as the outer casing that encloses internal components, ensuring the marine unit operates reliably. Specifically designed to integrate seamlessly with existing hardware and maintain the structural integrity of marine propulsion, it ensures durability and consistent performance ev