Generac R-200 1800 RPM controller 0G3958C/0G3958CSRV Liquid Cooled Controller PCB. This PCB replaces 0G3958C.
Generac replacement parts will also usually fit the following Generac branded generators: Honeywell, Guardian, Siemens, Carrier, Watchdog, Centurion, Eaton & Bryant.
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