63715-ZY3-C02ZB L *NH282MU* Cover - Overview. The 63715-ZY3-C02ZB L *NH282MU* Cover is a critical component in Honda marine engine systems, specifically designed for the left side lower engine cover. It plays a vital role in protecting the internal engine components from external elements while supporting the engine's overall operational integrity. Manufactured to precise OEM standards, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Feat