Category OMC Back Powerhead Gasket Set 437779 OMC Sterndrive Parts & Accessories Viewer:273 Item No: 437779 Similar fits No: OMC - 0437779 Sierra - 18-4402 You May Also Be Interested In Upper Main Bearing 0385822 Powerhead Gasket Set 439084 Gear Set 43-853643A2 Gasket - Head Cover 66V-11193-00