The Polaris 4014920 Engine Control Unit Base System is the base ECU assembly for Polaris Indy Switchback snowmobiles, carrying part number 4014920. This DC variant, identified as KOK DC, serves as the core engine-management electronics for the Indy Switchback platform. As the ECU base system, it interfaces with the snowmobile's electrical and fuel systems to regulate engine functions in compatible Indy Switchback models.
