Shop by Brand Mercury OutboardGasket/Gasket Kit Back Powerhead Gasket Kit 27-90484A88 / 500-214 Viewer:71 OEM No.: 27-90484A88 / 500-214 For Mercury Outboard 135-150 HP 2.0L V6 Year 78-90 You May Also Be Interested In Gasket 27-8036638/8036638 Gasket, Powerhead 27-191861/19186 1 Spark Plug NGK BM6A Spring, Compression 90501-15M01-00