Aftermarket Delco Voltage Regulator D200XHD SELF-EXCITING

Specifications MFR: DELCO TYPE: Self-Exciting Voltage Regulator FEATURE 1: 100% New Heavy Duty Self-Exciting ASVR Design FEATURE 2: Self-exciting design allows alternator operation without an external excitation or ignition signal FEATURE 3: OE-compliant functions & performance: current limiting, thermal shutdown, load dump protection, shorted field & lamp circuit protection FEATURE 4: Welded construction — no solder joints for high-temperature reliability & increased field life NOTE 1: B+ connection made at rectifier B+ stud with screw-down spacer SPECS FOR: Delco AD230, AD237, AD244 Series IR/IF Alternators SPECS: 12 Volt, B-Circuit, Self-Exciting, D-F-L-D Terminals, 14.6 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.