Generac 0J8371A/0J8371B/0J8371C/0J9079A Evolution 1.0/Sync 2.0 Control Panel

This controller is a direct replacement for any older versions of the Generac Evolution controller as well.  Part numbers included: 0J8371A, 0J8371ASRV, 0J8371AHSRV, 0J8371B, 0J8371BSRV, 0J8371BHSRV, 0J9079A.

Generac/Honeywell Evolution/Sync controller.  This is the 1.0 (2.0 if for a Honeywell Sync replacement) version which was used from about 2013 until the new WiFi models came out around 2018.  The Evolution 2.0 (WiFi) controller and this controller ARE NOT COMPATIBLE! 

If you need the 10000003293 WiFi Evolution 2.0 control panel, see here:  Generac 10000003293 Evolution 2.0/Sync 3.0 WiFi Control Panel

Controller will not need to be activated as the original was with an activation code. 

Panels should be installed by a qualified technician who can check output voltage and frequency to ensure proper calibration.

Generac replacement parts will also usually fit the following Generac branded generators: Honeywell, Guardian, Siemens, Carrier, Watchdog, Centurion, & Bryant.

If you need Generac generator troubleshooting support, please visit our interactive forum