Mercury - Water Pump Repair Kit Cooling System Marine-Grade Components 96148Q8. Overview. Any boater who's spent time pushing across choppy bays or idling down quiet creeks knows that an engine's cooling system isn't just another piece of hardware-it's the heartbeat of the whole ride. When your water pump begins to fade, you feel that worry creeping in: the temp climbing, the stream weakening, the engine sounding just a bit "off." The Quicksilver 96148Q8 Water Pump Repair Kit brings back that st