16850-ZVL-A00 Fuel Tube B - Overview. The 16850-ZVL-A00 Fuel Tube B is a genuine OEM fuel line component designed for Honda marine engine systems. It plays a critical role in delivering fuel from the tank to the engine's fuel delivery system, ensuring dependable engine operation. Crafted to meet precise Honda factory specifications, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. OEM Fuel Tube designed to match factory specifica