40100-ZV4-651ZA Case Oil *NH282MU* - Overview. The 40100-ZV4-651ZA Case Oil *NH282MU* is a critical component of Honda marine engine systems. This oil case supports the engine's internal lubrication system, ensuring reliable operation and protection against wear and tear. Designed with the exact factory specifications, it guarantees seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. This part functions as the oil case for Honda marine engines