Category OMC Back Cover Gasket 340657 OMC Sterndrive Parts & Accessories Viewer:401 Item No: 340657 Similar fits No: OMC - 0340657 GLM - 37793 You May Also Be Interested In Seal Kit 0439967 Powerhead Gasket Set 439084 Bellows Kit 74639Q02 Top End Gasket Kit For C3496