A high quality regulator / rectifier which replaces the O.E.M. part. This regulator / rectifier has the same housing shape as the O.E. part and fits in the same location. Heavily upgraded rectifier bridge built in. Extra heavy-duty regulator circuit. Output voltage is controlled tightly resulting in a nice and stable charge rate for your battery. Efficient heat sink dissipates the heat quickly and efficiently making for a very reliable unit. Designed to be a plug-in replacement. All regulator / rectifiers come with a full one-year warranty.