A heavy duty regulator/rectifier that replaces the OEM part. Power handling is superior, and the part is designed to be a plug in replacement. We have incorporated a heatsink design that gets rid of internal heat to the housing quickly and efficiently, making for a very reliable unit. The part comes with a full one year warranty.

Professional Installation is Recommended.

Ducati ST4 Esport Regulator Rectifier - ESR532 Fits:
2003-2005 Ducati ST4 Sport Touring