Category OMC Back Cylinder Head Gasket 330818 OMC Sterndrive Parts & Accessories Viewer:355 Item No: 330818 Similar fits No: OMC - 0330818 / 0777389 Sierra - 18-2963 GLM - 34140 Mallory - 9-63832 You May Also Be Interested In U-joint Assembly 3860842 Cover Plate 335114 Complete Gasket Kit For 811921 Gear, Idle 8H8-13179-00