Aftermarket Denso Voltage Regulator IN435

• Denso 126000-1200, Isuzu 8970320910, Jaguar JLM-11144
  

Vehicle Application

Asuna Car
Sunfire L4 1.8L 1809cc 110cid 1993

Daimler - Europe Car
DAIMLER XJ (X30_) Eng.9JPFRB Six 4.0 177kw 9JPFRB 1994-1997

Geo Car
Storm L4 1.6L 1588cc 98cid 1990-1993
Storm L4 1.8L 1809cc 110cid VIN 8 1992-1993

Isuzu Car
Impulse L4 1.6L 1588cc 1990-1992
Impulse L4 1.8L 1809cc 110cid 1992
Stylus L4 1.6L 1588cc 1991-1993
Stylus L4 1.8L 1809cc 110cid VIN 8 1992

Jaguar Car
Vanden Plas L6 4.0L 3980cc 1993-1997
XJ6 L6 4.0L 3980cc 1993-1997
XJ12 V12 6.0L 5994cc 1994-1996
XJS L6 4.0L 3980cc 1995-1996

Jaguar - Europe Car
XJ Sport 3200 1994-1997
XJ Sport 4000 1994-1997
XJ6 3200 1994-1997
XJ6 4000 1994-1997
XJR 4000 1994-1997
XJS 4000 1995-1996

Features & Benefits

• Precision aftermarket replacement part

• Regulates alternator output voltage

• Helps maintain proper battery charging

• Supports stable charging system performance

• Manufactured to match original specifications

• Designed for dependable long-term operation

• Ideal for alternator rebuilding and repair

• Cross-referenced to OEM and aftermarket part numbers

What Does a Voltage Regulator Do?

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.

Common Signs Replacement Is Needed

Replace the voltage regulator if you notice:

• Battery overcharging

• Battery not charging

• Low charging voltage

• High charging voltage

• Battery warning light illuminated

• Intermittent charging problems

• Headlights that brighten or dim with engine speed

• Charging system failure during testing

• Voltage regulator failure discovered during alternator rebuilding

Installation Recommendations

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.

While You're Rebuilding

Inspect other common wear components to help maximize charging system reliability:

• Bearings

• Brushes

• Brush Holder

• Slip Rings

• Rectifier

• Diodes

• Rotor

• Clutch Pulley

• Insulators

Why Buy From RC Auto Electric?

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.

Disclaimer

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.