Shop by Brand Mercury OutboardGasket/Gasket Kit Back Gasket Kit 27-43004A90 Viewer:78 OEM No.: 27-43004A90 / 27-43004A99 / 27-43004A86 For Mercury outboard 70, 75, 80, 90HP You May Also Be Interested In Powerhead Gasket Kit 27-815791A00 Gasket 27-803728/803728 Washer, Plate 90201-10M01-00 Screw, Countersunk 90141-06M00-00