Features 1、Replacing OEM numbers for reference: 4012748, fit for Polaris Ranger 500 RZR 800 EFI. 2、Eliminate clutter interference, stabilize output voltage, and extend battery life. 3、Increase the torsion output and improve the instantaneous discharge capability of the power system. 4、Speed up the throttle response, shorten the starting time of engine, improve the ignition efficiency. 5、Made of high quality aluminum alloy and ABS material, anti-corrosion, rugged and durable, long service life. Specifications: Item Type: Rectifier Material: Aluminum Alloy + ABS OEM: 4012748 Fitment: Fit for Polaris Sportsman 500 HO Forest Tractor EFI 2012-2014 Fit for Polaris Sportsman 800 6x6 EFI 2012-2014 Fit for Polaris Sportsman 800 EFI 2010-2014 Fit for Polaris Sportsman 800 Forest EFI 2012-2014 Fit for Polaris Ranger 500 4x4 EFI 2010-2012 Fit for Polaris Ranger 800 4x4 EFI 2010 Fit for Polaris Ranger 800 6x6 EFI 2010 Fit for Polaris Ranger Crew 500 4x4 2011-2012 Fit for Polaris Ranger Crew 500 4x4 Limited Edition 2012 Fit for Polaris Ranger Crew 500 EFI 2013 Fit for Polaris Ranger Crew 500 EFI Limited Edition 2013 Fit for Polaris RZR 4 800 EFI 2010 Fit for Polaris RZR 800 EFI 2010 Fit for Polaris RZR 800 S EFI 2010 Wiring: Black Wire: Negative Pole of Power Supply Other Wires: Positive Pole of Power Supply Package List 1 x Rectifier