Shop by Brand Mercury OutboardGasket/Gasket Kit Back Gasket Kit 27-43004A90 Viewer:79 OEM No.: 27-43004A90 / 27-43004A99 / 27-43004A86 For Mercury outboard 70, 75, 80, 90HP You May Also Be Interested In Gasket 27-80366310/80366310 Gasket, Water Pump Housing Plate 27-16160/16160 Oil Seal, SD-Type 93102-28135-00 Impeller 47-43026-2/43026 2