63715-Zvl-901Zc L Eng *NHB14M* Cvr - Overview. The 63715-ZVL-901ZC L Eng *NHB14M* Cvr is a genuine Honda marine engine cover designed specifically for the left lower engine section. It plays a crucial role in protecting vital engine components by providing a durable shield against environmental elements and mechanical wear. Intended for Honda marine engine systems, this part ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. Authentic