Valve cover gasket lawn tractor lawn mower compatible HONDA For models: HONDA GX 240 , GX 270 , GX 340 , GX 390 Code: 30270409 Original code: 12391-ZE2-020 12391ZE2020 12391-ZE2-000 12391ZE2000 12391-ZE2-010 12391ZE2010 ah m