DIAPHRAGM CARBURETTOR WYL 133 1 FOR CHAINSAW BRUSH CUTTER BLOWER HEDGE TRIMMER - REPAIR KIT: K20-WYL (CODE R122333) - REPAIR KIT: D11-WYL (CODE R122336) ALSO COMPATIBLE WITH HONDA CHAINSAW GX31 R.O. 16100ZM58250M2 Reference : R120601 Original Code: AT