Shop by Brand Mercury OutboardGasket/Gasket Kit Back Gasket Kit 27-43004A90 Viewer:92 OEM No.: 27-43004A90 / 27-43004A99 / 27-43004A86 For Mercury outboard 70, 75, 80, 90HP You May Also Be Interested In Power Head Gasket Set 27-803508A99/803508A99 Gasket 27-850836001/850836001 Bearing 93306-00606-00 Connecting Rod 629-8036741/8036741