16900-881-000 Fuel Joint A - Overview. The 16900-881-000 Fuel Joint A is an essential component within Honda marine engine fuel systems. Designed to securely connect fuel lines to the engine, this part plays a crucial role in maintaining efficient and reliable fuel flow. Engineered to match factory specifications and tolerances precisely, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. Specific OEM part engineered to facilitate