Aftermarket Delco Voltage Regulator DE701

Specifications

• MFR:DELCO
• FEATURE 1:100% New
• SPECS FOR:Delco European CS130D Series IR/IF Alternators
• SPECS:12 Volt, A-Circuit, 14.7 Vset

Used On

• Chevrolet (1994-2012)
• Isuzu (1998-2001)
• Opel - Europe (1992-2004)
• Vauxhall - Europe (1988-2001)

Replaces

Delco: 10475019, 19009701, 19009716, 9742
GM: 140475019
Marelli: 940038030
Opel: 1204270

Lester Numbers

• 21148, 8239, 8545, 8546

Unit Numbers

Delco: 10457917, 10479384, 10479914, 10479923, 10479947, 10479955, 3493455, 3493923, 3493955, 855, 856, 955
Isuzu: 8104799230
Marelli: 943356539010, 944390392500
Opel: 10480409, 1204145, 3493814, 3493815, 3493823, 3493824, 3493955, 6204000, 6204002, 6204005, 6204006, 6204141, 6204151, 6204196, 90356897, 90413762, 90443929, 90444194, 90561168, 9117934, 93175788, 93175803, 93175815, 93175952, 93175963, 93181383, 9512789, 9512800
Original Reference Number: QY19J7-923, QY2367, QY30H7
Valeo: 436719, 436720
Vauxhall: R1530041, R1530052

Vehicle Application

Chevrolet Car
Astra L4 1.8L 1796cc 110cid 2000–2002
Astra L4 2.4L 2409cc 146cid 2004
Astra L4 2.0L 1999cc 122cid 2005–2006
Astra L4 2.0L 1998cc 122cid 2005
Astra L4 1.8L 1796cc 110cid 2006
Astra L4 2.0L 1999cc 122cid 2008
Chevy L4 1.4L 1389cc 85cid 1994
Chevy L4 1.4L 1395cc 85cid 1995–1997
Chevy L4 1.6L 1588cc 98cid 1996
Chevy L4 1.6L 1598cc 98cid 1998–2003
Chevy L4 1.4L 1389cc 85cid 2000
Chevy L4 1.4L 1389cc 85cid 2002
Chevy L4 1.6L 1598cc 98cid 2005–2012

Chevrolet Truck
Chevy Pickup L4 1.6L 1598cc 98cid 1999–2003

Isuzu Truck
Amigo L4 2.2L 2180cc 1998–2000
Rodeo Sport L4 2.2L 2180cc 2001
Rodeo L4 2.2L 2180cc 1998–2001

Opel - Europe Car
ASTRA F (56_, 57_) Eng.18 SE 1.8 i 16V 82kW 18 SE 1995–1996
ASTRA F (56_, 57_) Eng.C 18 SEL 1.8 i 16V 85kW C 18 SEL 1995–1997
Astra Mk3 1800, 16V 1993–1998
Astra Mk3 2000, 16V 1994–1998
Calibra A 2000, 16V Turbo 1992–1996
Calibra A 2000, 16V, C20XE, X20XE 1993–1997
Calibra A 2500, V6, 24V 1993–1997
Frontera A 2000, X20XE 1995–1999
Frontera A 2200, X22XE 1995–1999
OMEGA B (25_, 26_, 27_) Eng.Y 22 XE, Z 22 XE 2.2 16V 106kW Y 22 XE, Z 22 XE 1999–2003
OMEGA B Estate (21_, 22_, 23_) Eng.Y 22 XE, Z 22 XE 2.2 16V 106kW Y 22 XE, Z 22 XE 1999–2003
Omega B 2000, 8V 1994–1999
Omega B 2000, 16V 1994–2001
Omega B 2500, V6, 24V 1994–2001
Omega B 3000, V6, 24V 1994–2001
Omega B 2200, Y22XE 1999–2004
Tigra 1600, 16V 1994–2000
Tigra 1400, 16V 1994–2001
VECTRA B (36_) Eng.16 LZ2 1.6 i 55kW 16 LZ2 1995–2002
VECTRA B (36_) Eng.20 NEJ 2.0 i 82kW 20 NEJ 1995–2002
VECTRA B (36_) Eng.X 18 XE 1.8 i 16V 85kW X 18 XE 1995–2000
VECTRA B (36_) Eng.X 25 XE i 500 2.5 143kW X 25 XE 1998–2000
VECTRA B (36_) Eng.Z 18 XE 1.8 i 16V 92kW Z 18 XE 2000–2002
VECTRA B Estate (31_) Eng.16 LZ2 1.6 i 55kW 16 LZ2 1996–2000
VECTRA B Estate (31_) Eng.20 NEJ 2.0 i 82kW 20 NEJ 1996–2002
VECTRA B Estate (31_) Eng.X 18 XE 1.8 i 16V 85kW X 18 XE 1996–2000
VECTRA B Estate (31_) Eng.X 25 XE i 500 2.5 143kW X 25 XE 1998–2000
VECTRA B Estate (31_) Eng.Z 18 XE 1.8 i 16V 92kW Z 18 XE 2000–2003
VECTRA B Hatchback (38_) Eng.16 LZ2 1.6 i 55kW 16 LZ2 1995–2003
VECTRA B Hatchback (38_) Eng.20 NEJ 2.0 i 82kW 20 NEJ 1995–2002
VECTRA B Hatchback (38_) Eng.X 18 XE 1.8 i 16V 85kW X 18 XE 1995–2000
VECTRA B Hatchback (38_) Eng.Z 18 XE 1.8 i 16V 92kW Z 18 XE 2000–2003
Vectra B 2000, 16V, X20XEV 1993–2000
Vectra B 1800, 16V, X18XE 1995–1999
Vectra B 1600, 16V, X16XEL 1995–2000
Vectra B 1600, 8V, 16LZ2 1995–2000
Vectra B 1600, 8V, X16SZR 1995–2000
Vectra B 2500, V6, 24V, X25XE 1995–2000
Vectra B 1800, 16V, X18XE1 1998–1999
Vectra B 1800, 16V, Z18XE 2000–2001
Vectra B 1600, 16V, Z16XE 2000–2002

Vauxhall - Europe Car
Calibra 2498cc, C25XE, 2.5i V6 1993–1995
Calibra 2498cc, X25XE, 2.5 V6 1993–1997
CAVALIER Mk III Hatchback Eng.20 NE 2.0 i 85kW 20 NE 1988–1992
CAVALIER Mk III Hatchback Eng.20 SEH 2.0 SRi 95kW 20 SEH 1988–1992
Cavalier Mk III 2498cc, C25XE, 2.5i V6 1993–1995
Omega B 2498cc, X25XE, 2.5 V6 1994–1999
Omega B 2962cc, X30XE, 3.0 V6 1994–1999
VECTRA (B) Eng.X 16 SZR 1.6 i 55kW X 16 SZR 1995–2001
VECTRA (B) Eng.X 16 XEL, Y 16 XE, Z 16 XE 1.6 i 16V 74kW X 16 XEL, Y 16 XE, Z 16 XE 1995–2001
VECTRA (B) Eng.X 18 XE, X 18 XE1 1.8 i 16V 85kW X 18 XE, X 18 XE1 1995–2000
VECTRA (B) Eng.X 20 XEV 2.0 i 16V 100kW X 20 XEV 1995–2001
VECTRA (B) Eng.X 25 XE 2.5 i V6 125kW X 25 XE 1995–2000
VECTRA (B) Estate Eng.X 18 XE, X 18 XE1 1.8 i 16V 85kW X 18 XE, X 18 XE1 1996–2000
VECTRA (B) Estate Eng.X 20 XEV 2.0 i 16V 100kW X 20 XEV 1995–2001
VECTRA (B) Estate Eng.X 25 XE 2.5 i V6 125kW X 25 XE 1996–2000
VECTRA (B) Hatchback Eng.X 16 SZR 1.6 i 55kW X 16 SZR 1995–2001
VECTRA (B) Hatchback Eng.X 16 XEL, Y 16 XE, Z 16 XE 1.6 i 16V 74kW X 16 XEL, Y 16 XE, Z 16 XE 1995–2001
VECTRA (B) Hatchback Eng.X 18 XE, X 18 XE1 1.8 i 16V 85kW X 18 XE, X 18 XE1 1995–2000
VECTRA (B) Hatchback Eng.X 20 XEV 2.0 i 16V 100kW X 20 XEV 1995–2001
VECTRA (B) Hatchback Eng.X 25 XE 2.5 i V6 125kW X 25 XE 1995–2000
Vectra B 2498cc, X25XE, 2.5i V6 1995–2000

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.