Re-Designed and Improved Kawasaki KZ550D KZ 550D GPZ Regulator Rectifier has a higher output capacity than the original part. Designed to stop overcharging and dissipate extra voltage quickly with 8% better Performance than the original part.
One of the several oem numbers that applies to this part is the following:OEM# 21066-1030
* The brown wire has been eliminated from this upgraded design.
* There are two possible regulator rectifiers. This one replaces the 3 phase system ( 3 yellow stator wires) We also have the single phase ( 2 stator wire version) please contact us.