Generac G090152/90152/090152 Excitor Bridge Rectifier Diode Pack. Used on liquid cooled brushless units. Attaches to the heatsink on the end of the rotor.
Generac replacement parts will also usually fit the following Generac branded generators: Honeywell, Guardian, Siemens, Carrier, Watchdog, Centurion, Eaton & Bryant.
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