17531-ZVA-000 Fuel Tank Grommet - Overview. The 17531-ZVA-000 Fuel Tank Grommet is a vital component in Honda marine engine fuel systems. It acts as a rubber sealing interface that securely connects the fuel line to the fuel tank, preventing leaks and minimizing vibrations. Designed to support the fuel delivery process, this grommet helps maintain reliable engine operation and fuel system integrity. Manufactured to exact factory specifications, it fits seamlessly with existing Honda marine fuel