Category OMC Back Cover Gasket 340657 OMC Sterndrive Parts & Accessories Viewer:409 Item No: 340657 Similar fits No: OMC - 0340657 GLM - 37793 You May Also Be Interested In Powerhead Gasket Set 394546 Ignition Coil 583740 Universal Choke Cable 415-006-200 Complete Gasket Kit HS-711269