12V Alternator Voltage Regulator for Toyota 101211-858 In240 US$5.60-6.50 / Piece 28V Alternator Voltage Regulator for Caterpillar 1342AC00 0124655297 US$13.10-15.30 / Piece 12V Alternator Parts Regulator Gh5530 09230754 US$7.70-9.00 / Piece ...