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Specifications
- MFR: BOSCH
- FEATURE 1: 100% New
- FEATURE 2: Soft start
- FEATURE 3: Lamp activated
- NOTE 1: NC-terminal has no connection.
- SPECS FOR: Bosch IR/IF Alternators
- SPECS: 12 Volt, A-Circuit, S-FR-L-NC Terminals, 14.4 Vset, w/ LRC
Used On
- Buick (2004-2005)
- Chevrolet (1999-2007)
- GMC (2000-2007)
- Oldsmobile (2003-2004)
- Pontiac (1999-2005)
Replaces
Bosch: F 00M 145 073, F 00M 145 224, F 00M 145 241
Lester Numbers
11076, 13770, 13771, 13860, 13989
Unit Numbers
Bosch: 0 124 325 121, 0 124 325 133, 0 124 325 152, 0 124 325 153, 0 124 325 154, 0 124 415 033, 6 004 MA5 008, 6 004 MA5 011, 6 004 ML0 017, 6 004 ML0 021, 6 004 ML0 024
Delco: 10288764, 10344573, 12520253
GM: 10288763, 10288764, 10344573, 10418888, 10418889, 15124532, 15200267, 15219565, 15222341, 15222342, 15755900, 22708250
Mercedes-Benz: 000-154-15-57
Vehicle Application
Buick Car
Century V6 3.1L 189cid 2004–2005
Chevrolet - Europe Car
IMPALA Saloon Eng.L36 3.8 V6 149kW L36 1999–2005
IMPALA Saloon Eng.LA1 3.4 V6 134kW LA1 1999–2005
Chevrolet Car
Impala V6 3.8L 3800cc 231cid 2000–2005
Impala V6 3.4L 207cid 2004–2005
Malibu V6 3.1L 189cid 2003
Monte Carlo V6 3.4L 207cid 2004–2005
Chevrolet Truck
Avalanche 2500 V8 8.1L 496cid 2005–2006
Silverado 2500 V8 6.0L 5967cc 364cid VIN U 1999–2000
Silverado 2500 V8 5.3L 5328cc 325cid VIN T 1999
Silverado 3500 V8 5.7L 350cid 2007
Suburban 1500 V8 5.3L 5328cc 325cid 2000–2002
Suburban 2500 V8 8.1L 496cid 2006
Chevrolet Van
Astro V6 4.3L 262cid 2005
Express 1500 V6 4.3L 262cid 2005–2007
Express 1500 V8 5.3L 5328cc 325cid 2005
Express 2500 V6 4.3L 262cid 2005
Express 2500 V8 4.8L 294cid 2005–2006
Express 2500 V8 5.3L 5328cc 325cid 2005
Express 2500 V8 6.0L 5967cc 364cid 2005
Express 3500 V8 4.8L 294cid 2005–2006
Express 3500 V8 6.0L 5967cc 364cid 2005–2006
Venture V6 3.4L 207cid 1999–2001
GMC Truck
Yukon XL 1500 V8 5.3L 5328cc 325cid 2000–2002
Yukon XL 1500 V8 6.0L 5967cc 364cid 2001–2002
Yukon XL 2500 V8 8.1L 496cid 2006
GMC Van
Safari V6 4.3L 262cid 2005
Savana 1500 V6 4.3L 262cid 2005–2007
Savana 1500 V8 5.3L 5328cc 325cid 2005
Savana 2500 V6 4.3L 262cid 2005
Savana 2500 V8 4.8L 294cid 2005–2006
Savana 2500 V8 5.3L 5328cc 325cid 2005
Savana 2500 V8 6.0L 5967cc 364cid 2005
Savana 3500 V8 4.8L 294cid 2005–2006
Savana 3500 V8 6.0L 5967cc 364cid 2005–2006
Oldsmobile Car
Alero V6 3.4L 207cid 2003–2004
Oldsmobile Van
Silhouette V6 3.4L 207cid 1999–2001
Pontiac Car
Grand Am V6 3.4L 207cid 2003–2005
Pontiac Van
Montana V6 3.4L 207cid 1999–2001
Trans Sport V6 3.4L 207cid 1999
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:
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.
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