Aftermarket Delco Voltage Regulator D200XHD

Specifications

• MFR:DELCO
• FEATURE 1:100% New Heavy Duty ASVR Design
• FEATURE 2:OE compliant functions & performance: current limiting, thermal shutdown, load dump protection, shorted field & lamp circuit protection
• FEATURE 3:Welded construction - no solder joints for hi-temperature reliability & increased field life
• NOTE 1:B+ connection made at rectifier B+ stud w/ screw down spacer.
• SPECS FOR:Delco AD230, AD237, AD244 Series IR/IF Alternators
• SPECS:12 Volt, B-Circuit, P-L-F-S Terminals, 14.8 Vset, 2.5 sec. LRC

Used On

• Buick (2002-2006)
• Cadillac (2002-2004)
• Chevrolet (1999-2010)
• GMC (1999-2006)
• Hummer (2003-2005)
• Isuzu (2003-2006)
• Oldsmobile (2002-2004)
• Pontiac (2003-2004)
• Saab (2005-2006)

Replaces

Delco: 10458199, 19054622, 19060319, 19060345
Delco ASVR: 10458199, Original Reference Number 0319, 3013, 3643, 3730, 4622, 6311

Lester Numbers

• 8237, 8247, 8274, 8274-200, 8284, 8287, 8290, 8291, 8292, 8293

Unit Numbers

Delco: 10327068, 10327069, 10333165, 10333166, 10343535, 10346705, 10442782, 10442783, 10464453, 10464456, 10464468, 10464468, 10464476, 10464476, 10464481, 10464482, 10464482, 10464493, 10480388, 15062413, 15162839, 15226003, 15744910, 15750871, 15754097, 15754097A, 15754097M, 15754097W, 15755616, 15755616W, 15768830, 19151920, 19244741, 19244746, 19244750, 25744162
GM: 10464438, 10464468, 10464474, 10464475, 10464476, 10464481, 10464482, 10464495, 10464496, 10464499, 15226003, 19151912, 19151921, 19151921, 19244727, 19244729, 19244735, 88877296
Isuzu: 8104644680, 8104644760, 8152260030
Original Reference Number: 10346705A, 10442782M, 10442783M, 15750871A
Saab: 15-22-6003

Vehicle Application

Buick Car
Century V6 3.1L 189cid 2002–2004
Park Avenue V6 3.8L 3800cc 231cid 2003–2004
Regal V6 3.8L 3800cc 231cid 2002–2004

Buick Truck
Rainier L6 4.2L 256cid 2004–2005
Rainier V8 5.3L 5328cc 325cid 2004–2006
Rainier V8 5.3L 5328cc 325cid VIN M 2006
Rendezvous V6 3.4L 207cid 2003–2004

Cadillac Truck
Escalade ESV V8 6.0L 5967cc 364cid 2003–2004
Escalade EXT V8 6.0L 5967cc 364cid 2002–2004
Escalade V8 5.3L 5328cc 325cid 2002–2004
Escalade V8 6.0L 5967cc 364cid 2002–2004

Chevrolet Car
Impala V6 3.4L 207cid 2002–2004
Impala V6 3.8L 3800cc 231cid 2002–2004
Monte Carlo V6 3.4L 207cid 2002–2004
Monte Carlo V6 3.8L 3800cc 231cid 2002–2004

Chevrolet Truck
Avalanche 1500 V8 5.3L 5328cc 325cid 2002–2004
Avalanche 2500 V8 8.1L 496cid 2002–2004
C1500 V6 4.3L 262cid 2000–2002
C3500HD V8 8.1L 496cid 2001–2002
Silverado 1500 HD V8 6.0L 5967cc 364cid 2001–2003
Silverado 1500 HD V8 6.0L 5967cc 364cid 2005
Silverado 1500 V6 4.3L 262cid 1999–2000
Silverado 1500 V8 4.8L 294cid 1999–2000
Silverado 1500 V8 5.3L 5328cc 325cid 1999–2001
Silverado 1500 V6 4.3L 262cid VIN W 2001–2002
Silverado 1500 V8 4.8L 294cid VIN V 2001–2002
Silverado 1500 V8 5.3L 5328cc 325cid VIN T 2002–2004
Silverado 1500 V8 5.3L 5328cc 325cid VIN Z 2002–2005
Silverado 1500 V6 4.3L 262cid VIN X 2002
Silverado 1500 V6 4.3L 262cid 2003–2004
Silverado 1500 V8 4.8L 294cid 2003–2004
Silverado 1500 V8 5.3L 5328cc 325cid 2003–2005
Silverado 1500 V8 6.0L 5967cc 364cid 2003–2005
Silverado 1500 V8 6.0L 5967cc 364cid VIN N 2003–2004
Silverado 1500 V8 4.8L 294cid VIN V 2004
Silverado 1500 V8 6.0L 5967cc 364cid VIN U 2005
Silverado 2500 HD V8 6.0L 5967cc 364cid 2001–2005
Silverado 2500 HD V8 6.6L 6599cc 403cid 2001–2005
Silverado 2500 HD V8 8.1L 496cid 2001–2005
Silverado 2500 V8 5.3L 5328cc 325cid VIN T 1999–2000
Silverado 2500 V8 6.0L 5967cc 364cid VIN U 1999–2000
Silverado 2500 V8 5.7L 350cid 2001–2002
Silverado 2500 V8 6.0L 5967cc 364cid 2001–2004
Silverado 3500 V8 6.0L 5967cc 364cid 2001–2005
Silverado 3500 V8 6.6L 6599cc 403cid 2001–2005
Silverado 3500 V8 8.1L 496cid 2001–2005
Silverado 3500 V8 6.6L 6599cc 403cid VIN 1 2004
Silverado 3500 V8 6.6L 6599cc 403cid VIN 2 2004
Sonora V8 5.3L 5328cc 325cid 2003
SSR V8 5.3L 5328cc 325cid 2003–2004
SSR V8 6.0L 5967cc 364cid 2005–2006
Suburban 1500 V8 5.3L 5328cc 325cid 2000–2004
Suburban 1500 V8 5.3L 5328cc 325cid VIN T 2003–2004
Suburban 1500 V8 5.3L 5328cc 325cid VIN Z 2003–2004
Suburban 2500 V8 6.0L 5967cc 364cid 2000–2005
Suburban 2500 V8 8.1L 496cid 2001–2005
Tahoe V8 4.8L 294cid 2000–2004
Tahoe V8 5.3L 5328cc 325cid 2000–2004
Trailblazer EXT L6 4.2L 256cid 2002–2005
Trailblazer EXT V8 5.3L 5328cc 325cid 2003–2006
Trailblazer L6 4.2L 256cid 2002–2005
Trailblazer L6 4.2L 256cid VIN S 2002–2005
Trailblazer V8 5.3L 5328cc 325cid 2006

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.