Aftermarket Denso Voltage Regulator IN438

• Delco 10459517; Denso 100211-6300, 100211-6360, 100211-6410, 100211-6420, 100211-7470, 100211-7910, 100211-8330, 100211-8560, 100211-8570, 100211-8660, 100211-8670, 100211-8810, 100211-8820, 100211-8830, 100211-8870, 100211-9780, 100211-9790, 100211-9890, 101211-5220, 101211-5360, 9760211-747; John Deere RE46608, SE501380, TY6762; Lexus 27060-46030, 27060-46030-84, 27060-50040, 27060-50040-84, 27060-62070, 27060-62070-84; Mack Truck AT-00154R; Toyota 27060-03010, 27060-03011, 27060-03011-84, 27060-03011-84, 27060-15050, 27060-15060, 27060-46080, 27060-62070, 27060-62070-84, 27060-74090, 27060-74110, 27060-74210, 27060-74210-84, 27060-74220, 27060-74270, 27060-74270-84, 27060-74290, 27060-74291, 27060-74291-84, 27060-74291-84, 27060-74300, 27060-74310, 27060-74310-84, 27060-74320, 27060-74330, 27060-74330-84

Vehicle Application

John Deere 2-Wheel Drive Tractor
7600 6-414 Diesel 0000
7700 6-414 Diesel 0000

John Deere 4-Wheel Drive Tractor
9100 6 Cyl. 8.18L 8180cc 499cid 1997-2001
9300 6 Cyl. 12.54L 12541cc 765cid 1997-2001
9320T 6 Cyl. 12.54L 12541cc 765cid 2001-2007
9420T 6 Cyl. 12.54L 12541cc 765cid 2001-2007
9520T 6 Cyl. 12.54L 12541cc 765cid 2002-2007

John Deere Agricultural Tractor
4700 4 Cyl. 2.19L 2190cc 134cid 1999-2000
4710 4 Cyl. 2.19L 2190cc 134cid 2001-2004
7610 6 Cyl. 6.78L 6724cc 410cid 1996-2003
7710 6 Cyl. 8.18L 8180cc 499cid 1996-2001
7800 6 Cyl. 7.67L 7673cc 468cid 1993-1995
7810 6 Cyl. 8.18L 8180cc 499cid 1996-2001
8100 6 Cyl. 7.67L 7673cc 468cid 1994-1995
8110 6 Cyl. 8.18L 8180cc 499cid 1999-2001
8200 6 Cyl. 7.67L 7673cc 468cid 1994-1995
8210 6 Cyl. 8.18L 8180cc 499cid 1999-2001
8300 6 Cyl. 7.67L 7673cc 468cid 1994-1995
8310 6 Cyl. 8.18L 8180cc 499cid 1999-2001
8410 6 Cyl. 8.18L 8180cc 499cid 1999-2001
9120 0000
9200 6 Cyl. 12.54L 12541cc 765cid 1997-2001
9220 4WD 6 Cyl. 12.54L 12541cc 765cid 2001-2007
9300T 6 Cyl. 12.54L 12541cc 765cid 1999-2001
9320 4WD 6 Cyl. 12.54L 12541cc 765cid 2001-2007
9400 6 Cyl. 12.54L 12541cc 765cid 1997-2001
9400T 6 Cyl. 12.54L 12541cc 765cid 1999-2001
9420 4WD 6 Cyl. 12.54L 12541cc 765cid 2001-2007
9520 4WD 6 Cyl. 12.54L 12541cc 765cid 2001-2007

John Deere Mower - Fairway
8400 6 Cyl. 8.18L 8180cc 499cid 1994-1999

John Deere Tracked Tractor
8100T 6 Cyl. 8.18L 8180cc 499cid 1997-1999
8110T 6 Cyl. 8.18L 8180cc 499cid 1999-2001
8200T 6 Cyl. 8.18L 8180cc 499cid 1997-1999
8210T 6 Cyl. 8.18L 8180cc 499cid 1999-2001
8300T 6 Cyl. 8.18L 8180cc 499cid 1997-1999
8310T 6 Cyl. 8.18L 8180cc 499cid 1999-2001
8400T 6 Cyl. 8.18L 8180cc 499cid 1997-1999

Lexus Car
ES300 V6 3.0L 2959cc 1992
SC300 L6 3.0L 2997cc 1992-1994
SC400 V8 4.0L 3969cc 1992-1994

Toyota Car
Camry V6 3.0L 2959cc 1992
Celica L4 2.0L 1998cc 122cid 1992-1993
Celica L4 2.2L 2164cc 1992
MR2 L4 2.0L 1998cc 122cid 1991-1993
MR2 L4 2.2L 2164cc 1992-1993

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.