Shop by Brand Mercury OutboardGasket/Gasket Kit Back Gasket Kit 27-43004A90 Viewer:87 OEM No.: 27-43004A90 / 27-43004A99 / 27-43004A86 For Mercury outboard 70, 75, 80, 90HP You May Also Be Interested In Gasket 27-8036631/8036631 Gasket 27-8036638/8036638 Seal, Oil Strainer 69J-13415-00-00 Throttle Shift Control Cable 18F