OMC Back Powerhead Gasket Set 437779 OMC Sterndrive Parts & Accessories Viewer:282 Item No: 437779 Similar fits No: OMC - 0437779 Sierra - 18-4402 You May Also Be Interested In Thermostat Kit 75-00421-01 Gasket 331363 Steering Cable 277001438 Top End Gasket Kit HS-710063A