Delco Voltage Regulator 81-1909

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This redesigned and improved aftermarket voltage regulator for many agricultural and industrial applications. It is an A-circuit, Two Unit Type that runs on External 12 Volts with a dual polarity. There are 4 terminals on this unit: "L, BAT, F, GEN", the Fourth terminal being found under the regulator base. This part will replace the following OE#s: Delco - 1118266, 1118306, 1118791, 1118983, 1118985, D-644, D-648 Reference Numbers: D13913, 81-1909 Show more