5/16 In. Fuel Connector | Sierra 18-8056 Sierra 18-8056 Fuel Connector Johnson and Evinrude Fuel Connector For use with 5/16 in. inside diameter fuel hose Mates with Sierra 18-8063 Replaces Mercury 22-802196Q Replaces OMC/Johnson/Evinrude 174508, 775640 Replaces Mallory 9-38014