DIAPHRAGM CARBURETTOR WT - 856 - 1 FOR CHAINSAW BRUSH CUTTER BLOWER HEDGE TRIMMER also compatible with ECHO FOR CHAINSAW G500 R.O: Z288081001 - REPAIR KIT: K20-WAT (CODE R122314) - REPAIR KIT: D20-WAT (CODE R122338) Reference : R120626 Original Code: AT