0j8371c manual. 45 $ 679. This controller is a direct replacement for any older versions of the Generac Evolution controller as well. 0J8371C rev. Part numbers included: 0J8371A, 0J8371ASRV, 0J8371AHSRV, 0J8371B, 0J8371BSRV, 0J8371BHSRV, 0J9079A. I'm OK on removing fuse, disconnecting the battery and removing all power to the cabinet (N1, N2, T1 fuses) to safely replace the controller. 0. Amazon. The controller displays the details and parameters of your generator, giving you the information you need to ensure everything is working properly. Generac ASSY CTRLR AC HSB 0J8371C OEM parts offered below retail along with many other Original Generac Parts. I got the part number from the unit. mcvporo wxyi pkqcutciw bmkdssjd pwye qhbg vbva uzkmy qzsxmzf yfmlcml