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Specifications
- MFR: BOSCH
- DIM 1: 14mm Dia. Slip Ring
- FEATURE 1: 100% New
- FEATURE 2: Hermetically sealed circuit
- SPECS FOR: Bosch IR/IF Alternators
- SPECS: 12 Volt, A-Circuit, 14.4 Vset
Used On
- Volkswagen (1996-2003)
Replaces
Audi, Volkswagen: 028-903-803D, 028-903-803DX, 028903803D
Bosch: 1 197 311 224, 1 197 311 236, 1 197 311 500, 1 197 311 523, 1 197 311 530, 1 197 311 531, 1 197 311 548
Lester Numbers
11135, 13357, 13382, 13441, 13622, 13772, 13817, 13833, 21223, 21224, 21361, 21390, 21391, 21392, 21583, 21795, 22785, 23056, 23206, 23237, 23747
Unit Numbers
Audi, Volkswagen: 016 002 016, 021-903-017B, 021-903-025C, 021-903-025CX, 028-903-017, 028-903-018B, 028-903-018BX, 028-903-023E, 028-903-025C, 028-903-025CX, 028-903-025E, 028-903-025R, 028-903-025S, 028-903-026G, 028-903-027D, 028-903-028B, 028-903-028P, 028-903-028R, 028-903-028RX, 028903028Q, 034 903 016 N, 034-903-016NX, 037-903-023F, 038-903-023J, 038-903-023J, 058-903-016C, 058-903-016CX, 058-903-016D, 058-903-018C, 058-903-018CX, 071-903-016H, 074-903-025L, 074-903-025LX, 077 903 015 E, 077 903 015 EX, 078-903-015A, 078-903-015F, 078-903-015FX, 078-903-015G, 078-903-015GX, 078-903-017A, 07M 903 015
Bosch: 0 120 465 007, 0 120 465 008, 0 120 465 020, 0 120 485 017, 0 120 485 019, 0 120 485 020, 0 123 310 023, 0 123 310 048, 0 123 310 054, 0 123 310 055, 0 123 320 003, 0 123 320 009, 0 123 320 021, 0 123 320 050, 0 123 320 067, 0 123 325 005, 0 123 325 006, 0 123 340 001, 0 123 505 005, 0 123 505 011, 0 123 505 012, 0 123 505 013, 0 123 510 001, 0 123 510 013, 0 123 510 014, 0 123 510 015, 0 123 510 033, 0 123 510 045, 0 123 510 046, 0 123 510 047, 0 123 510 061, 0 123 510 070, 0 123 510 071, 0 123 510 088, 0 123 510 091, 0 123 510 092, 0 123 515 014, 0 123 515 017, 0 123 515 018, 0 123 515 021, 0 123 515 031, 0 123 520 002, 0 123 520 005, 0 123 520 014, 0 123 525 001, 0 123 540 001, 9 123 310 048, 9 123 369 023
DAF: 1516421R, 1516632R
Ford: 1001868, 1012870, 1018870, 1025545, 1025547, 1036244, 1093245, 1108479, 1127350, 1135454, 1406094, 95VW-10300-ABA, 95VW-10300-ABA, 95VW-10300-CB, 95VW-10300-CC, 95VW-10300-GA, 95VW-10300-SA, 96BB-10300-AA, 96BB-10300-LA, 96FB-10300-AA, 96FB-10300-AB, 96FB-10300-DA, 96FB-10300-DC, 96FB-10300-DD, 96FB-10300-DE, 97KB-10300-AA, 97KB-10300-AB, 98VW-10300-AA, R96FB-10300-DD, R96FB-10300-DD1, R97KB-10300-AA, R97KB-10300-AA1
Ford Engineering: 7361233, 95VW-CB, 95VW-CC, 95VW-GA, 95VW-SA, 96BB-AA, 96BB-LA, 96FB-AA, 96FB-AB, 96FB-DA, 96FB-DC, 96FB-DD, 96FB-DE, 98VW-AA
Iveco: 500369176
Letrika (Iskra) Tech.: AAK5171, AAK5342, AAN5317
Magneton: 9-517-103, 9-517-182, 9-517-183, 9-517-186, 9-517-187
Marelli: 063533100540, 063535150200, 943355045010, 944390395200, 944390395200, 944390412000
Mercedes-Benz: 010-154-21-02, A010-154-21-02
Original Reference Number: 89212730
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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