Good used shape…… This Polaris regulator is a crucial component for your ATV, side-by-side, or UTV. It is compatible with various models including the Ace, General, Ranger, RZR, Sportsman 500, 570, 900, and 1000. The regulator is designed to maintain the proper charging and discharging of your vehicle's battery, ensuring that your ignition system runs smoothly. This regulator has been superseded by part number 4014856 and is specifically designed for Polaris vehicles. It is important to note that it is not suitable for use in California due to the state's Proposition 65 warnings. With this regulator, you can trust that your Polaris vehicle will run efficiently and reliably.