OMC Back Powerhead Gasket Set 393433 OMC Sterndrive Parts & Accessories Viewer:380 Item No: 393433 Similar fits No: OMC - 0393433 / 0439083 Sierra - 18-4318 / 18-4305 Mallory - 9-64113 GLM - 39370 You May Also Be Interested In O-Ring 0318717 Bypass Cover Gasket 319332 Connecting Rod Kit 54-8810-MAG Cover Plate 335114