Mercury - Fuel Pump Diaphragm & Gasket Kit Fuel System Components Composite & Rubber 97611. Overview. Any boater who's been out on the water at sunrise knows the quiet comfort of an engine that starts cleanly and settles into a steady rhythm. That confidence often comes down to the smallest parts-pieces you rarely see but rely on every single time you push away from the dock. The Quicksilver 97611 Fuel Pump Diaphragm and Gasket Kit brings that sense of security back to older 2-stroke Mercury and