16621-ZY6-000 Fuel Line - Overview. The 16621-ZY6-000 Fuel Line is a genuine Honda marine engine component designed specifically for the fuel system. It plays a critical role in delivering fuel from the tank to the engine, ensuring your Honda outboard operates smoothly and efficiently. Manufactured to match precise Honda factory standards, this fuel line integrates flawlessly with existing hardware to maintain optimal performance and durability.. Key Features. Genuine OEM Honda fuel line designed for marine engine fuel system use.. Precisely engineered to match factory specifications, dimensions, and tolerances.. Ensures seamless fuel flow and reliable engine operation.. Constructed with durable materials for long-lasting performance in marine environments.. Fully compatible with Honda Active Marine engines, including BF115D, BF135A, BF150A, and related series.. Maintains expected engine performance and reliability through OEM-style design and fitment.. Why Choose Genuine OEM. Using or