DENSO SUPER CLASS ALTERNATOR, REMANUFACTURED -- Precision designed and performance tested OE-standard quality alternator; Features a housing re-tapped to OEM specifications and damaged-checked for heat warping, corrosion or improper surface alignment; Has performance and insulation tested rotor and stator to 600 volts, re-packed bearing with OEM grade lubricant, up to 300 volts performance tested rectifier, and 100 percent stripped and replated hardware; Its slip ring is rematched to an average of 8 microns or 20 microns run-out maximum.