Shop by Brand Mercury OutboardGasket/Gasket Kit Back Gasket Kit 27-78028A78 Viewer:135 OEM No.: 27-78028A78 For Mercury outboard 35, 40 HP You May Also Be Interested In Gasket 27-43006-8/43006 8 Powerhead Gasket Kit 27-879855A04 Coil Primary 32140-96310-000 Powerhead Gasket Kit 65W-W0001-02-00