OMC Back Cylinder Head Gasket 330818 OMC Sterndrive Parts & Accessories Viewer:362 Item No: 330818 Similar fits No: OMC - 0330818 / 0777389 Sierra - 18-2963 GLM - 34140 Mallory - 9-63832 You May Also Be Interested In Grommet 338908 Powerhead Gasket 325721 Seal 5411294 Top End Gasket Kit For VG-5221-M