DIAPHRAGM CARBURETTOR WT - 589 - 1 FOR CHAINSAW BRUSH CUTTER BLOWER HEDGE TRIMMER ALSO COMPATIBLE WITH ECHO CS3000 CS300 CS301 CS341 R.o: 21000232 - REPAIR KIT: K20-WAT (CODE R122314) - REPAIR KIT: D10-WAT (CODE R122164) Reference : R120642 Original Code: AT