41101-ZW9-A31ZA Gear Case NH282MU - Overview. The 41101-ZW9-A31ZA Gear Case NH282MU is a crucial OEM component in Honda marine engine systems. It supports the lower unit by housing the gear mechanism, providing structural integrity and protection to the transmission system. This gear case ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. Precisely engineered gear case designed to match factory specifications, dimensions, and toleranc