MOSFET Voltage Regulator for Polaris RZR XP 900 (2011–2012) – 65 Amp Rectifier – Direct Replacement – Replaces 4013231

Upgrade or replace your charging system with this advanced MOSFET voltage regulator for Polaris RZR XP 900 models. Unlike older diode-style regulators, MOSFET design runs cooler and more efficiently. Built with overheat protection, the regulator will temporarily shut down and cool off rather than fail under extreme conditions. Rated at 65 amps, this regulator ensures reliable charging performance and long service life. It installs easily as a direct replacement and is designed to plug directly into your factory wiring. Fitment: RZR XP 900 (2011–2012) RZR 4 XP 900 (2012, models built on or before 03/15/12 only) Important Note: For 2012 RZR XP models built after 03/16/12, use the later regulator version. Replaces Part Number: 4013231

• Advanced MOSFET Technology – Runs cooler and more efficiently than diode-style regulators
• Overheat Protection – Regulator shuts down temporarily to prevent damage under extreme conditions
• High Output – 65-amp capacity for reliable charging system performance
• Plug-and-Play Installation – Direct fit replacement with factory-style connectors
• Exact Replacement – Replaces Polaris part number 4013231
• Fitment Note – Fits 2012 models built on or before 03/15/12; check build date before ordering