This high quality regulator rectifier is a replacement for the Kawasaki Mule. Designed to stop overcharging and dissipate extra voltage quickly with 8% better Performance than the original part.
The Mule KAF400 610 600 had some split years make sure you have this number stamped on your part. SH578BA . If you have SH578CA stamped on it see part # 21066-0039