40201-ZVD-700ZA Case NHB14M - Overview. The 40201-ZVD-700ZA Case NHB14M is a critical component designed for Honda marine engine systems. Serving as an extension case, it plays a vital role in protecting and housing essential parts within the engine, ensuring smooth functionality and longevity. Specifically crafted to fit Honda's marine engines, this part guarantees seamless integration with existing components, maintaining optimal performance and durability over time.. Key Features. This extens