Generac 0D45220ESV Retro Fit Stepper Motor Governor Kit For Portable 990CC Air Cooled Generators. Comes with the parts shown in the breakdown in the 2nd product image.
If the serial # on the unit is before 3691548, you must use this retrofit kit. After serial# 3691548 use this 0D4522 stepper only.
Regulates engine speed on generators with electronic governors. Replaces bad stepper motors. Can be tested using quality digital multi-meter before replacement. If the gears are stripped inside the small gearbox, check for overloaded condition on the generator.
Generac replacement parts will also usually fit the following Generac branded generators: Honeywell, Guardian, Siemens, Carrier, Watchdog, Centurion, & Bryant.
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