40100-ZV1-844ZB Eng *Nh282Mu* Case - Overview. The 40100-ZV1-844ZB Eng *Nh282Mu* Case is a critical component designed for Honda marine engine systems. It serves as the lower engine casing, providing essential protection and structural integrity for the engine. Crafted with precision to match factory specifications, this case plays a vital role in maintaining the engine's optimal performance by housing key mechanical parts and ensuring seamless integration with existing components.. Key Features