This Hyundai Alternator, with OE/OEM part number T100378 3630007000 or T100378 36300 07000, is a high-quality piece of equipment produced by Valeo. It is designed for use with 48-volt electrical system. This unit is form old stock there is a small crack to the little multi plug on the rear of the unit but this is the only very minor damage. This unit is new (never been used) stock.