OMC Back Gasket 338884 OMC Sterndrive Parts & Accessories Viewer:421 Item No: 338884 Similar fits No: Sierra -18-2906 GLM - 33140 OMC - 0338884 You May Also Be Interested In Grommet 338908 Powerhead Gasket Set 439084 Connecting Rod Kit 296-01000-519 / 010-519 Complete Gasket Kit For VG-1204-M