This voltage regulator rectifier is designed to restore a stable charging system Compatible with Polaris ATV. It converts AC power from the stator to DC and keeps the output around 14.5V±0.5V,ignition and other electronics from voltage spikes and unstable current. Wide Compatibility Compatible with multiple Polaris models, including: Compatible with Hawkeye 325 2015 Compatible with Sportsman 450 / 450 HO / 450 HD 2016–2018 Compatible with Sportsman 550 2010–2014 Compatible with Sportsman 570 / 570 EFI / 570 SP / Touring / X2 2014–2018 Compatible with Sportsman ETX 2015 Compatible with Sportsman 850 (XP/SP/Touring/Forest/X2) 2010–2016 Compatible with Sportsman 1000 / 1000 XP / 1000 Touring 2014–2016 Compatible with Scrambler 850 / 1000 2014–2016 Replaces OEM part numbers: 4014543, 4015214, 4015230, 4014405, 4015231, 4012678, 2207958, RTE020-902287. Made with reliable materials for stable performance and better battery protection. Plug-and-play design with factory-style connectors for easy installation—simply remove the old unit, connect the new one, bolt it in place and test the charging voltage.