Specifications
- MFR: BOSCH
- DIM 1: 28mm Dia. Slip Ring
- FEATURE 1: 100% New
- FEATURE 2: Hermetically sealed circuit
- FEATURE 3: Silver plated trio terminal
- NOTE 1: For adjustable voltage use IB373A.
- SPECS FOR: Bosch IR/EF Alternators
- SPECS: 12 Volt, A-Circuit, 14.1 Vset
Used On
- Audi (1984-1985)
- Volkswagen (1983-1992)
Replaces
Alfa Romeo: 116100506011, 119130506023, 705684800000
Audi, Volkswagen: 068-903-803, 068-903-803B
BMW: 12-31-1-271-664, 12-31-1-726-002, 12-31-1-735-742
Bosch: 1 192 052 015, 1 192 052 016, 1 192 052 020, 1 192 052 021, 1 192 052 024, 1 192 052 025, 1 192 052 027, 1 192 052 029, 1 197 311 004, 1 197 311 005, 1 197 311 006, 1 197 311 010, 1 197 311 011, 1 197 311 012, 1 197 311 013, 1 197 311 021, 1 197 311 037
Deutz Engine Mfr: 93155548
Fendt: X830060022010
Fiat: 4731653, 60751135, 60751403, 60751439, 9938171, 9942848, 9942885, 99428884, 9950155, 9960176
Ford: 82BB-10316-AA, E5RD-10316-BA
IHC, Navistar: 1530372C1
KHD: 81211111
Lucas: 21221349
Marelli: 940038009
Opel: 1204253, 1204256, 90007041
Porsche: 928-603-153-00, 944-603-141-00, 944-603-141-01
Seat: 003899919
Lester Numbers
12048, 12150, 12583, 12699, 13055, 13094, 13101, 13107, 13112, 13113, 13116, 13122, 13147, 13150, 13151, 13152, 13159, 13191, 13204, 13218, 13219, 13246, 13320, 13360, 13368, 13369, 13370, 13373, 13378, 14000, 14057, 14064, 14394, 14395, 14396, 14409, 14410, 14412, 14418, 14471, 14481, 14483, 14603, 14604, 14605, 14765, 14767, 14778, 14779, 14782, 14797, 14799, 14812, 14813, 14814, 14816, 14818, 14821, 14825, 14956, 14969, 14970, 14971, 14972, 14976, 14977, 14988, 20208, 20210, 20225, 20264, 20272, 20273, 20346, 20440, 20515, 20533, 20568, 20748, 20749, 20782, 20784, 20940, 20941, 20982, 20983, 21109, 21114, 21190, 21317, 22195, 22388, 22452, 22454, 22828, 22830, 23584, 23587, 23630, 23631, 23650, 23694, 23695, 23740, 23748
Unit Numbers
Agco Sisu Power: 83632800
Alfa Romeo: 116000506008, 116100506008/00, 116760506100, 769 1663, AT050600108
Audi, Volkswagen: 025-903-017-X, 025-903-017X, 025-903-023, 025-903-023-A, 025-903-023-A, 025-903-023-B, 025-903-023-C, 025-903-023-D, 025-903-023-E, 025-903-023A, 025-903-023A, 025-903-023B, 025-903-023C, 025-903-023D, 025-903-023E, 026-903-015-A, 026-903-015-B, 026-903-015-C, 026-903-015-DV, 026-903-015-F, 026-903-015A, 026-903-015B, 026-903-015C, 026-903-015DV, 026-903-015F, 026-903-017-A, 026-903-017-AX, 026-903-017-BX, 026-903-017-X, 026-903-017A, 026-903-017AX, 026-903-017BX, 026-903-017X, 026-903-023, 026-903-025, 027-903-015-A, 027-903-015-C, 027-903-015A, 027-903-015C, 027-903-017, 028-903-023, 028-903-023-C, 028-903-023-D, 028-903-023C, 028-903-023D, 028-903-025, 031-903-023-D, 031-903-023D, 034-903-015, 034-903-015-C, 034-903-015-D, 034-903-015-G, 034-903-015-H, 034-903-015-J, 034-903-015-K, 034-903-015-M, 034-903-015-Q, 034-903-015-T, 034-903-015C, 034-903-015D, 034-903-015G, 034-903-015H, 034-903-015J, 034-903-015K, 034-903-015M, 034-903-015Q, 034-903-015T, 034-903-016-A, 034-903-016-B, 034-903-016-C, 034-903-016-D, 034-903-016-E, 034-903-016-F, 034-903-016-G, 034-903-016A, 034-903-016B, 034-903-016C, 034-903-016D, 034-903-016E, 034-903-016F, 034-903-016G, 034-903-017, 034-903-017-A, 034-903-017-C, 034-903-017-Q, 034-903-017-X, 034-903-017A, 034-903-017C, 034-903-017Q, 034-903-017X, 034-903-023-M, 034-903-023M, 034-903-171, 035-903-015-A, 035-903-015-D, 035-903-015-E, 035-903-015-K, 035-903-015-L, 035-903-015-M, 035-903-015-N, 035-903-015-P, 035-903-015-Q, 035-903-015-R, 035-903-015-S, 035-903-015-T, 035-903-015A, 035-903-015D, 035-903-015E, 035-903-015K, 035-903-015L, 035-903-015M, 035-903-015N, 035-903-015P, 035-903-015Q, 035-903-015R, 035-903-015S, 035-903-015T, 035-903-016-C, 035-903-016C, 035-903-017, 035-903-017-A, 035-903-017-Q, 035-903-017A, 035-903-017Q, 035-903-023-B, 035-903-023-C, 035-903-023-D, 035-903-023B, 035-903-023C, 035-903-023D, 035-903-023E, 036-903-015D, 036-903-015G, 036-903-017, 036-903-017-C, 036-903-017-CX, 036-903-017B, 036-903-017C, 036-903-017CX, 036-903-023-Q, 036-903-023-R, 036-903-023A, 036-903-023C, 036-903-023J, 036-903-023K, 036-903-023L, 036-903-023M, 036-903-023Q, 036-903-023R, 036-903-025-D, 036-903-025-M, 036-903-025-S, 036-903-025D, 036-903-025E, 036-903-025H, 036-903-025M, 036-903-025S, 037-903-018-A, 037-903-018A, 037-903-023-A, 037-903-023-P, 037-903-023A, 037-903-023P, 047-903-015, 049-903-015-A, 049-903-015-D, 049-903-015-J, 049-903-015A, 049-903-015D, 049-903-015J, 049-903-017-A, 049-903-017-AX, 049-903-017-BX, 049-903-017-C, 049-903-017-CX, 049-903-017-J, 049-903-017A, 049-903-017AX, 049-903-017BX, 049-903-017C, 049-903-017CX, 049-903-017J, 049-903-023, 049-903-023-A, 049-903-023-D, 049-903-023-F, 049-903-023-FX, 049-903-023-G, 049-903-023-HX, 049-903-023-K, 049-903-023-L, 049-903-023-M, 049-903-023-N, 049-903-023-P, 049-903-023-R, 049-903-023A, 049-903-023D, 049-903-023F, 049-903-023FX, 049-903-023G, 049-903-023HX, 049-903-023K, 049-903-023L, 049-903-023M, 049-903-023N, 049-903-023P, 049-903-023R, 049-903-025, 049-903-027, 049-903-027-A, 049-903-027-A, 049-903-027A, 049-903-027A, 050-903-015-J, 050-903-015J, 051-903-015-B, 051-903-015-B, 051-903-015B, 051-903-015B, 051-903-017, 051-903-017-X, 051-903-017X, 052-903-015-A, 052-903-015A, 052-903-017-A, 052-903-017A, 053-903-015-D, 053-903-015-E, 053-903-015D, 053-903-015E, 054-903-015, 054-903-015-J, 054-903-015J, 055-903-023-A, 055-903-023-D, 055-903-023-G, 055-903-023-K, 055-903-023-Q, 055-903-023A, 055-903-023D, 055-903-023G, 055-903-023K, 055-903-023Q, 055-903-025-A, 055-903-025-B, 055-903-025A, 055-903-025B, 056-903-015-B, 056-903-015B, 058-903-015-A, 058-903-015A, 059-903-015-D, 059-903-015D, 059-903-017-D, 059-903-017D, 060-903-017, 060-903-017-A, 060-903-017A, 060-903-023-A, 060-903-023-B, 060-903-023-E, 060-903-023A, 060-903-023B, 060-903-023E, 061-903-023-A, 061-903-023A, 063-903-015, 063-903-017
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.