Brand new, Rmstator Stator + RMSTATOR Red Machined Aluminum Mosfet Regulator.Direct replacement to your original unitPlug-and-play, direct fit, easy installationAll products shipped are testedWe have even included the opposite connector (main harness side) as we know these are often melted / corroded / defective and a major cause of repetitive electrical issues.Highest grade lamination materialsHighest grade copper windings, resistant to 200 degrees Celsius.Connector includedOur new red machined aluminum Mosfet voltage regulator is a great upgrade for heat dissipation in any powersports charging system. After 10 minutes of use, our billet aluminum heatsink runs cooler by 33% than standard cast regulator housings. Our new red regulator, equipped with the renowned Mosfet regulation technology, is an added value to any three-phase permanent magnet charging system.