16977-ZV5-900 Fitting - Overview. The 16977-ZV5-900 fitting is a critical component in Honda marine engine systems. Designed as a fuel fitting with a quick disconnect feature, it supports the fuel system by ensuring proper and reliable fuel delivery to the engine. Engineered to meet factory specifications and tolerances, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. Genuine OEM fuel fitting designed for Honda marine engines, e