40212-ZV5-010ZA Drain *NH282MU* Cvr - Overview. The 40212-ZV5-010ZA Drain *NH282MU* Cvr is an essential component designed for Honda marine engine systems, specifically serving as a drain plug cover. This part plays a critical role in sealing the drain opening to prevent water ingress and maintain system integrity. Crafted to match factory specifications and tolerances, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. Genuine OEM