Mercury - Quicksilver 810929004 Carburetor Gasket Set MerCruiser "MerCarb" 2-Barrel Engines OEM Service Kit 810929004. Overview. A reliable carburetor starts with a good seal. The Quicksilver 810929004 Carburetor Gasket Set gives you everything you need to service and reseal your MerCruiser "MerCarb" 2-barrel carburetor. Whether your boat's been idling rough or showing small fuel leaks, fresh gaskets can make it run like new again.. This is the complete factory set for MerCruiser 3.0L, 4.3L, 5.0