Re-Designed and Improved heavy duty Honda NSR125 Regulator Rectifier has a higher power handling ability than the original OEM part. This regulator rectifier comes with a direct plug in connector. This unit is much more efficient than the OEM regulator rectifier because of its improve cooling fin design which allows it to dissipate heat quickly & effectively.
The factory part could have had these numbers stampped on it. SH633-12, SH522B-12, or SH633A-12.
Replaces, but is not limited to, OE numbers: