Aftermarket Denso Voltage Regulator IN6001

• Denso 104210-3030, 104210-3031, 104210-3032, 104210-3080, 104210-3081, 104210-3082, 104210-3920, 104210-3921, 104210-5040; Ford 2W93-10300-AA, 2W93-10300-AB, 6W83-10300-AA, 9M83-10300-AA; Ford Engineering 2W93-AA, 2W93-AB, 9M83-AA; Jaguar 02C-2P1974, C2C-1310, C2C-19630, C2P-1974; John Deere RE186320, RE257541; Lexus 27060-50280, 27060-50280-84

Vehicle Application

John Deere 2-Wheel Drive Tractor
7720 L6 6.8L 6801cc 415cid John Deere 6068HR 2003-2007
7720 L6 8.1L 494cid John Deere 6081HR 2003-2007
7820 6068 Diesel 0000
7820 6081 Diesel 0000
7820 L6 6.8L 6801cc 415cid John Deere 6068HR 2003-2007
7820 L6 8.1L 494cid John Deere 6081HR 2003-2007

John Deere 4-Wheel Drive Tractor
4720 L6 6.8L 6801cc 415cid John Deere 6068HN 2005-2014
7815 6068 Diesel 0000
7815 L6 6.8L 6801cc 415cid John Deere 6068HR 2005-2010
7920 6081 Diesel 0000
7920 L6 6.8L 6801cc 415cid John Deere 6068HR 2003-2007
7920 L6 8.1L 494cid John Deere 6081HR 2003-2007
9120 L6 12.5L 763cid John Deere 6125HR 2002-2007
9220 L6 12.5L 763cid John Deere 6125HR 2002-2007
9320 L6 12.5L 763cid John Deere 6125HR 2002-2007
9320T 6 Cyl. 12.54L 12541cc 765cid 2001-2007
9320T L6 12.5L 763cid John Deere 6125HR 2002-2007
9420 L6 12.5L 763cid John Deere 6125HR 2002-2007
9420T 6 Cyl. 12.54L 12541cc 765cid 2001-2007
9420T L6 12.5L 763cid John Deere 6125HR 2002-2007
9520 L6 12.5L 763cid John Deere 6125HR 2002-2007
9520T 6 Cyl. 12.54L 12541cc 765cid 2002-2007
9520T L6 12.5L 763cid John Deere 6125HR 2002-2007
9620 L6 12.5L 763cid John Deere 6125HR 2004-2007
9620T 6 Cyl. 12.54L 12541cc 765cid 2004-2007
9620T L6 12.5L 763cid John Deere 6125HR 2004-2007

John Deere Agricultural Tractor
4720 4 Cyl. 2.44L 2440cc 149cid 2004-2009
7720 2WD & MFWD 6 Cyl. 6.78L 6724cc 410cid 2003-2006
9120 0000
9220 4WD 6 Cyl. 12.54L 12541cc 765cid 2001-2007
9320 4WD 6 Cyl. 12.54L 12541cc 765cid 2001-2007
9420 4WD 6 Cyl. 12.54L 12541cc 765cid 2001-2007
9620 4WD 6 Cyl. 12.54L 12541cc 765cid 2004-2007

Jaguar Car
S-Type V8 4.0L 3996cc 244cid 2002
S-Type V8 4.2L 4196cc 256cid 2003-2004
Vanden Plas V8 4.2L 4196cc 256cid 2004
XJ8 V8 4.2L 4196cc 256cid 2004
XJR V8 4.2L 4196cc 256cid 2004
XK8 V8 4.2L 4196cc 256cid 2003-2004
XKR V8 4.2L 4196cc 256cid 2003-2004

Jaguar - Europe Car
S-Type 4200, V8 2003-2010
XJR 4200, V8 2003-2010
XKR 4200, V8 2003-2010

Lexus Car
LS430 V8 4.3L 4293cc 2001-2003
SC430 V8 4.3L 4293cc 2002-2010

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.