Shop by Brand Mercury OutboardGasket/Gasket Kit Back Gasket Kit 27-43004A90 Viewer:76 OEM No.: 27-43004A90 / 27-43004A99 / 27-43004A86 For Mercury outboard 70, 75, 80, 90HP You May Also Be Interested In Gasket 27-43007-5/43007 5 Gasket 27-8036638/8036638 Propeller 58100-91D00-019 Oil Seal 346-01215-0/346012150M