Shop by Brand Mercury OutboardGasket/Gasket Kit Back Gasket Kit 27-43004A90 Viewer:77 OEM No.: 27-43004A90 / 27-43004A99 / 27-43004A86 For Mercury outboard 70, 75, 80, 90HP You May Also Be Interested In Gasket, Cylinder Head 27-803508/803508 Gasket 27-8129392/8129392 Water Pump Repair Kit 67F-W0078-00-00 Bearing 09263-25025-000