16977-ZV5-A00 Fitting - Overview. The 16977-ZV5-A00 fitting is an essential component for Honda marine engine systems, specifically designed for fuel line connections in outboard engines. As a quick disconnect fuel tank fitting, it plays a crucial role in providing a secure and leak-free interface for fuel transfer, ensuring reliable operation and optimal performance of the marine propulsion system. Engineered to integrate seamlessly with existing Honda hardware, this fitting maintains the durab