OEM part is Please order replacement parts: 0065649 (AVR Board) and S0062490 (wiring harness).
The Automatic Voltage Regulator does just what its name implies, it regulates the voltage to help prevent brownouts, especially important for sensitive electrical equipment. The AVR keeps the output voltage relatively constant, regardless of the load. Some generators use digital AVR’s, which respond very quickly to changes is transient loads.
This item fits the following models:
3-Nailer Combo Kit w/ Accessories
3-Nailer Combo Kit
1/4" x 50 Ft Noodle Air Hose with Coupler and Plug