Shop by Brand Mercury OutboardGasket/Gasket Kit Back Powerhead Gasket Kit 27-90484A88 / 500-214 Viewer:265 OEM No.: 27-90484A88 / 500-214 For Mercury Outboard 135-150 HP 2.0L V6 Year 78-90 You May Also Be Interested In Powerhead Gasket Kit 27-850396A1 Gasket, Exhaust Plate to Driveshaft Housing 27-812866/812866 Powerhead Gasket Kit 6P2-W0001-01-00 Washer 676-45533-00-00