Generac G031971/31971/031971 Radiator Cooling Fan Shaft Bearing. This bearing gets pressed into the fan bearing retainer.
Loctite #620 Bearing Retainer is used between the bearing and the shaft, and the bearing and retainer plate.
Generac replacement parts will also usually fit the following Generac branded generators: Honeywell, Guardian, Siemens, Carrier, Watchdog, Centurion, Eaton & Bryant.
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