40100-ZV4-000ZA Oil Nh210mc Case - Overview. The 40100-ZV4-000ZA Oil Nh210mc Case is a critical component in Honda marine engine systems. It serves as the specialized oil containment case designed specifically to fit models requiring the NH210MC aqua silver metallic-C finish. Its role is essential in maintaining optimal lubrication and protection of engine parts, ensuring seamless integration with existing components and maintaining durability and performance under marine conditions.. Key Featur