04402-ZW6-000ZA Case Kit *NH246* - Overview. The 04402-ZW6-000ZA Case Kit *NH246* is a critical extension case component in Honda marine engine systems. Designed specifically to support the mechanical and protective functions of the engine's extension housing, this genuine OEM part ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. Genuine Honda OEM extension case kit designed for *NH246* series engines.. Manufactured to match exact factory specifications, dimensions, and tolerances.. Constructed in Loosy Gray color to match original Honda equipment aesthetics.. Ensures reliable protection and proper sealing of the extension housing.. Enhances mechanical alignment and contributes to smooth operational performance.. Integrates cleanly with existing hardware, seals, and housings for easy installation.. Why Choose Genuine OEM. Using original Honda parts like the 04402-ZW6-000ZA Case Kit *NH246* preserves the integrity of your m