Generac 0D4522 Stepper Motor Governor For Portable 990CC Air Cooled Generators.
If the serial # on the unit is before 3691548, you must order this 0D45220ESV retrofit kit. After serial# 3691548 use this stepper (0D4522).
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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