41005-ZW9-040ZA Gear Nh282mu Case - Overview. The 41005-ZW9-040ZA Gear Nh282mu Case is an essential component of Honda marine engine systems. It provides a protective housing for the gear assembly, supporting smooth mechanical motion and protection against external elements. Designed specifically for compatibility with various Honda marine engines, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. Genuine OEM gear case housing for