OMC Back Gasket 303615 OMC Sterndrive Parts & Accessories Viewer:279 Item No: 303615 Similar fits No: OMC - 0303615 / 0777737 Sierra - 18-0850 Mallory - 9-60436 GLM - 34080 You May Also Be Interested In Cylinder Head Gasket 912766 Gasket 338884 Complete Gasket Kit HS-711204 Piston Kit 09-009