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Specifications
- MFR:BOSCH
- DIM 1:14mm Dia. Slip Ring
- FEATURE 1:100% New
- FEATURE 2:Lamp activated
- FEATURE 3:Battery disconnect, shorted lamp & shorted field circuit protection
- SPECS FOR:Bosch IR/IF Alternators
- SPECS:12 Volt, A-Circuit, L-DFM Terminals, 14.7 Vset, w/ LRC
USED ON
- Saab (2003-2011) ** Saturn (2000-2004)
Replaces
- Bosch F 00M 144 172, F 00M 145 226, F 00M 145 670, Opel 12-793-278, Scania 12793278
LESTER NUMBERS
- 11043, 11184, 11186, 11187, 11255, 11279, 13804
UNIT NUMBERS
- Bosch 0 124 425 033, 0 124 425 040, 0 124 425 056, 0 124 425 103, 0 124 515 016, 0 124 525 017, 0 124 525 058, 0 124 525 086, 0 124 525 097, 0 124 525 174; GM 21019215, 22674549, 90 585 955; Opel 12-799-630, 12762730, 12848130, 6204250, 93-187-415; Saab 12-75-5484, 12-75-7362, 12-75-7363, 12-785-604, 12-799-630, 12-80-3492, 12762730, 12848130, 13-25-8186, 93-18-7415, 93-18-9253, 93184952, 93184953; Scania 12757362, 13258186; Steyr 127 573 62, 1279963
Vehicle Application
Saab Car
9-3 L4 2.0L 1998cc 122cid 2003-2005
9-3 L4 2.0L 1998cc 122cid 2003-2004
9-3 L4 2.0L 1998cc 122cid 2005
9-3 L4 2.0L 1998cc 122cid 2005-2011
9-3 L4 2.0L 1998cc 122cid 2006-2011
9-3 V6 2.8L 2792cc 170cid 2006-2009
9-3X L4 2.0L 1998cc 122cid 2010-2011
Saab - Europe Car
9-3 Series 2000, 16V Turbo, B207E 2002-2010
9-3 Series 2000, 16V Turbo, B207L/R 2003-2010
9-3 Series 2800, V6, B284 2005-2010
9-3 (YS3F) Eng.A 20 NFT 2.0 t 162kW A 20 NFT 2011-2015
9-3 Convertible (YS3F) Eng.A 20 NFT 2.0 t 162kW A 20 NFT 2011-2012
9-3 Estate (YS3F) Eng.A 20 NFT 2.0 t 162kW A 20 NFT 2011-2012
9-3 Estate (YS3F) Eng.A 20 NFT 2.0 t XWD 162kW A 20 NFT 2011-2012
9-3X Eng.A 20 NFT 2.0 t BioPower XWD 162kW A 20 NFT 2011-2012
Chevrolet Car
Vectra V6 2.8L 2792cc 170cid 2006
Opel - Europe Car
Signum 2800, Z28NEL, NET 2005-2009
Vectra C 2800, Z28NEL, NET 2005-2009
Saturn Car
L100 L4 2.2L 2198cc 134cid 2001-2002
L200 L4 2.2L 2198cc 134cid 2001-2003
L300 L4 2.2L 2198cc 134cid 2004
LS L4 2.2L 2198cc 134cid 2000
LS1 L4 2.2L 2198cc 134cid 2000
LW1 L4 2.2L 2198cc 134cid 2000
LW200 L4 2.2L 2198cc 134cid 2001-2003
Saturn Truck
Vue L4 2.2L 2198cc 134cid 2004
Features & Benefits
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Genuine OEM replacement part
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Manufactured to original factory specifications
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Regulates alternator output voltage
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Helps maintain proper battery charging
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Supports stable charging system performance
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Original fit, function, and electrical characteristics
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Ideal for alternator rebuilding and repair
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Engineered for long-term reliability
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:
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Battery overcharging
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Battery not charging
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Low charging voltage
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High charging voltage
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Battery warning light illuminated
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Intermittent charging problems
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Headlights that brighten or dim with engine speed
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Charging system failure during testing
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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:
Why Buy From RC Auto Electric?
RC Auto Electric specializes in genuine OEM and premium aftermarket alternator and starter rebuilding components for professional rebuilders, repair shops, automotive technicians, and DIY enthusiasts. Our extensive catalog includes thousands of 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 OEM part number, 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.
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Frequently Asked Questions
How do I confirm compatibility? +
Compare part numbers, dimensions and photos with the original component.
Is this OEM or aftermarket? +
This listing is for an aftermarket replacement part.
What should I verify before ordering? +
Check all fitment and application details before purchase.
Is professional installation recommended? +
Professional installation is recommended.
Where can I find related parts? +
Browse related starter and alternator categories on RCAutoElectric.