The Quadratec 63 Amp Alternator is a direct fit replacement for the Jeep CJ, Wrangler, Cherokee and sedan. Original equipment alternator options also included 56, 66, 70, 78, 85 and 106 Amps, please choose proper amp output in terms electrical requirements to keep up with draw. Aftermarket accessories such as winches and auxiliary lighting require higher amp outputs to keep the battery properly charged. Learn More