63715-ZVL-010ZB L Eng Nh565 Cvr - Overview. The 63715-ZVL-010ZB L Eng Nh565 Cvr is a genuine OEM cover designed specifically for Honda marine engine systems. This left engine lower cover in the NH565 Grand Prix White finish plays a critical role in protecting the engine's lower left section from debris, impacts, and environmental elements. Crafted with precision, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. OEM cover componen