Shop by Brand Mercury OutboardGasket/Gasket Kit Back Powerhead Gasket Kit 27-815791A00 Viewer:145 OEM No.: 27-815791A00 / 500-230 For Mercury Outboard Engine You May Also Be Interested In Power Head Gasket Set 27-898101928/898101928 Gasket 27-8036637/8036637 Gear, Reverse 318353/0318353(32T) Washer, Plate 90201-50306-00