40101-ZW2-435ZA Eng *Nh282mu* Case - Overview. The 40101-ZW2-435ZA Eng *Nh282mu* Case is a critical component in Honda marine engine systems. It serves as the lower engine case, providing structural support and protection to internal engine components. This OEM part ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. OEM Genuine part designed specifically for Honda marine engines to meet factory specifications.. Lower engine case prima