Aftermarket Mitsubishi Voltage Regulator IM850
$55.00
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Honda: 31150-P2E-A01
Original Reference Number: 3177203J
13649, 13762
Acura: 31100-P73-A01, 31100-P73-A01RM, AHGA33
Honda: 06311-PEJ-505RM, 31100-P2E-A01, 31100-P2E-A01RM, 31100-P2E-A02, 31100-P2E-A02RM, 31100-P73-A0101, AHGA24, AHGA25
Mitsubishi: A005TA0991, A005TA0991ZC, A005TA0992, A005TA3591
Acura Car
Integra L4 1.8L 1797cc B18C5 1997-1998
Integra L4 1.8L 1797cc B18C5 2000-2001
Honda Car
Civic L4 1.6L 1588cc 98cid 1996-1998
Civic L4 1.6L 1590cc 1996-1998
Civic del Sol L4 1.6L 1588cc 98cid D16Y7, D16Y8 1996-1997
Honda - Europe Car
Civic 1500, D15Z8 1996-2001
The voltage regulator controls the alternator's output by regulating current supplied to the rotor field winding. As electrical demand changes, the regulator continuously adjusts field current to maintain the proper charging voltage for the battery and the vehicle's electrical system.
A properly functioning voltage regulator helps prevent battery overcharging and undercharging while protecting sensitive electrical components from excessive voltage. Because charging system performance depends on the interaction between the regulator, rotor, stator, rectifier, and battery, replacing a faulty regulator is an important step in restoring alternator performance.
Replace the voltage regulator if you notice:
Installation should be performed by a qualified technician or experienced alternator rebuilder. Before installing the new regulator, inspect the brushes, brush holder, slip rings, rotor, stator, rectifier, wiring, and electrical connections for signs of wear or damage.
Always verify connector configuration and mounting style before installation. After assembly, bench-test the alternator to confirm proper charging voltage and overall charging system performance.
Inspect other common wear components to help maximize charging system reliability:
RC Auto Electric specializes in alternator and starter rebuilding components for professional rebuilders, repair shops, automotive technicians, and DIY enthusiasts. Our extensive catalog includes thousands of OEM and aftermarket electrical components backed by accurate cross-reference information to help simplify part identification and reduce ordering mistakes.
Compatibility information is provided as a reference only. Manufacturing revisions, production changes, and previous rebuilding modifications may affect internal alternator components. Always compare the original part, connector configuration, mounting style, voltage specifications, cross-reference numbers, and product photographs before installation. If you are unsure about compatibility, contact RC Auto Electric before ordering.