Polaris RZR 900 XP 2012 ECU Computer Manufacturer Part # 4012838

Sale price $290.00 Regular price $403.19

It came out of a 2012 900 XP but I understand it can be reprogrammed for other models. For more info on compatible models here: http://www.adeptpowersports.com/oem-parts/polaris-service-ecu-all-my11-800-dom-4012838-part.html