16911-ZY3-003 Fuel Filter - Overview. The 16911-ZY3-003 Fuel Filter is a critical component in Honda marine engine systems. It serves to filter out contaminants and impurities from the fuel before it reaches the engine, protecting sensitive engine parts and ensuring smooth, efficient operation. By keeping the fuel system clean, it helps extend engine life, improve fuel efficiency, and reduce wear on fuel injectors and other components. Engineered to fit seamlessly within Honda outboard engines,