Voltage Regulator For Polaris RZR 570 / RZR 900 / RZR 1000 / RZR 4 1000 XP 2012-2016 OEM# Repl. 4013904 4014029 4013247 RZR 900 / 1000 improved replacement regulator for stock location installation. Includes RMSTATOR Renowned MOSFET regulation circuit for low operating temperature. Automotive grade stock location wiring harness with OEM-quality connectors: Controlled quality processes, resist heat, oil, acid, gas, etc. with very low electrical resistance. Plug & Ride Design: OEM regulator housing for direct replacement Search our other Polaris RZR performance regulator heavy duty ; RMS020-103793 or the relocation heavy duty mosfet regulator : RMS020-103775