Aftermarket Bosch Voltage Regulator IB388

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

Vehicle Application

Audi - China Car
745i 2.4L 1996–1999
XJS 2.0L 1988–1996
XJS 2.6A 1988–1996
XJS 2.6E 1988–1996

Audi - Europe Car
100 (4A, C4) Eng.AAH 2.8 E 128kW AAH 1991–1992
100 (4A, C4) Eng.AAH 2.8 E quattro 128kW AAH 1991–1994
100 (4A, C4) Eng.AAT, ABP 2.5 TDI 85kW AAT, ABP 1991–1994
100 (4A, C4) Eng.ABC 2.6 110kW ABC 1992–1994
100 Avant (4A, C4) Eng.AAH 2.8 E 128kW AAH 1991–1992
100 Avant (4A, C4) Eng.AAH 2.8 E quattro 128kW AAH 1991–1994
100 Avant (4A, C4) Eng.AAT, ABP 2.5 TDI 85kW AAT, ABP 1991–1994
100 Avant (4A, C4) Eng.ABC 2.6 110kW ABC 1992–1994
164 2800 1991–1993
164 1900 1992–1995
164 2600 1992–1995
164 169kW, 230HP, 2226cc 1993–1994
80 (8C, B4) Eng.1Z 1.9 TDI 66kW 1Z 1992–1994
80 (8C, B4) Eng.AAH 2.8 128kW AAH 1991–1992
80 (8C, B4) Eng.AAH 2.8 quattro 128kW AAH 1991–1993
80 (8C, B4) Eng.AAZ 1.9 TD 55kW AAZ 1992–1994
80 (8C, B4) Eng.ABC 2.6 110kW ABC 1992–1994
80 (8C, B4) Eng.ABC 2.6 quattro 110kW ABC 1993–1994
80 Avant (8C, B4) Eng.1Z 1.9 TDI 66kW 1Z 1992–1995
80 Avant (8C, B4) Eng.ABC 2.6 110kW ABC 1992–1995
80 Avant (8C, B4) Eng.ABC 2.6 quattro 110kW ABC 1993–1995
80 Avant (8C, B4) Eng.ABY S2 quattro 169kW ABY 1993–1995
80 Avant (8C, B4) Eng.ADU RS2 quattro 232kW ADU 1994–1995
80 Avant 169kW, 230HP, 2226cc 1993–1995
80 Avant 232kW, 315HP, 2226cc 1994–1995
A3 (8L1) Eng.AHF, ASV 1.9 TDI 81kW AHF, ASV 1997–1998
A3 1900 1996–1998
A4 (8D2, B5) Eng.ABC 2.6 110kW ABC 1995–1997
A4 (8D2, B5) Eng.ABC 2.6 quattro 110kW ABC 1995–1997
A4 (8D2, B5) Eng.ACK, AHA, ALG, AMX, APR, AQD 2.8 142kW ACK, AHA, ALG, AMX, APR, AQD 1996–1999
A4 (8D2, B5) Eng.ACK, AHA, ALG, AMX, APR, AQD 2.8 quattro 142kW ACK, AHA, ALG, AMX, APR, AQD 1996–2001
A4 (8D2, B5) Eng.ADP, AHL, ANA, ARM 1.6 74kW ADP, AHL, ANA, ARM 1995–2000
A4 (8D2, B5) Eng.ADR, APT, ARG, AVV 1.8 92kW ADR, APT, ARG, AVV 1995–1998
A4 (8D2, B5) Eng.AEB, ANB, APU, ARK, AWT 1.8 T 110kW AEB, ANB, APU, ARK, AWT 1995–2000
A4 (8D2, B5) Eng.AGA, ALF, AML, APS, ARJ 2.4 121kW AGA, ALF, AML, APS, ARJ 1997–2000
A4 Avant (8D5, B5) Eng.ABC 2.6 110kW ABC 1996–1997
A4 Avant (8D5, B5) Eng.ACK, AHA, ALG, AMX, APR, AQD 2.8 142kW ACK, AHA, ALG, AMX, APR, AQD 1996–1999
A4 Avant (8D5, B5) Eng.ACK, AHA, ALG, AMX, APR, AQD 2.8 quattro 142kW ACK, AHA, ALG, AMX, APR, AQD 1996–2001
A4 Avant (8D5, B5) Eng.ADP, AHL, ANA, ARM 1.6 74kW ADP, AHL, ANA, ARM 1996–1998
A4 Avant (8D5, B5) Eng.ADR, APT, ARG, AVV 1.8 92kW ADR, APT, ARG, AVV 1996–1998
A4 Avant (8D5, B5) Eng.AEB, ANB, APU, ARK, AWT 1.8 T 110kW AEB, ANB, APU, ARK, AWT 1996–1998
A4 Avant (8D5, B5) Eng.AGA, ALF, AML, APS, ARJ 2.4 121kW AGA, ALF, AML, APS, ARJ 1997–2001
A4 2600, V6 1994–1998
A4 2600, V6 Quattro 1994–1998
A4 2800, V6 1994–1998
A4 2800, V6 Quattro 1994–1998
A4 1600 1995–1998
A4 1800 1995–1998
A4 1800, Turbo 1995–1998
A4 2400, V6 1997–1998
A6 (4A, C4) Eng.1Z, AHU 1.9 TDI 66kW 1Z, AHU 1995–1997
A6 (4A, C4) Eng.AAH, AEJ 2.8 quattro 128kW AAH, AEJ 1994–1995
A6 (4A, C4) Eng.ABC 2.6 110kW ABC 1994–1997
A6 (4A, C4) Eng.ACK 2.8 142kW ACK 1995–1997
A6 (4A, C4) Eng.ACK 2.8 quattro 142kW ACK 1995–1997
A6 (4A, C4) Eng.ADR 1.8 92kW ADR 1995–1997
A6 (4B2, C5) Eng.AGA, ALF, AML, APS, ARJ 2.4 121kW AGA, ALF, AML, APS, ARJ 1997–1998
A6 Avant (4A, C4) Eng.1Z, AHU 1.9 TDI 66kW 1Z, AHU 1995–1997
A6 Avant (4A, C4) Eng.AAH, AEJ 2.8 quattro 128kW AAH, AEJ 1994–1995
A6 Avant (4A, C4) Eng.ABC 2.6 110kW ABC 1994–1997
A6 Avant (4A, C4) Eng.ACK 2.8 142kW ACK 1995–1997
A6 Avant (4A, C4) Eng.ACK 2.8 quattro 142kW ACK 1995–1997
A6 Avant (4A, C4) Eng.ADR 1.8 92kW ADR 1995–1997
A6 Avant (4B5, C5) Eng.ACK, AHA, ALG, AMX, APR, AQD 2.8 142kW ACK, AHA, ALG, AMX, APR, AQD 1997–1998
A6 Avant (4B5, C5) Eng.ACK, AHA, ALG, AMX, APR, AQD 2.8 quattro 142kW ACK, AHA, ALG, AMX, APR, AQD 1997–2001
A6 2600, V6 1994–1997
A6 2800, V6 1994–1998
A6 2800, V6 Quattro 1994–1998
A6 1800 1995–1997
A6 1900, 1Z AHU 1995–1997
A6 2400, V6 1997–1998
A6 1800, Turbo 1997–1999
A8 (4D2, 4D8) Eng.AAH 2.8 128kW AAH 1994–1996
A8 (4D2, 4D8) Eng.ACK, ALG, AMX, APR, AQD 2.8 142kW ACK, ALG, AMX, APR, AQD 1996–1998
A8 2800, V6 1994–1998
A8 2800, V6 Quattro 1994–1998
A8 3700, V8 1995–1998
A8 3700, V8 Quattro 1995–1998
A8 4200, V8 Quattro 1995–1998
CABRIOLET (8G7, B4) Eng.AAH 2.8 128kW AAH 1996–2000
CABRIOLET (8G7, B4) Eng.ABC 2.6 110kW ABC 1994–1999
Cabriolet 2800, V6 1992–1997
Cabriolet 2600 1994–1999
COUPE (89, 8B) Eng.AAH 2.8 128kW AAH 1991–1992
COUPE (89, 8B) Eng.AAH 2.8 quattro 128kW AAH 1991–1995
COUPE (89, 8B) Eng.ABC 2.6 110kW ABC 1992–1996
COUPE (89, 8B) Eng.ABY S2 quattro 169kW ABY 1992–1996
Coupe 2800 1992–1995
Coupe 169kW, 230HP, 2226cc 1992–1996
Coupe 2600, ABC 1992–1996
Coupe 2200 1993–1996
S6 2200 1994
S8 4200, V8 Quattro 1997–1998
XJS 2500 1991–1994
XJS 2300 1992–1995
XJS 2600 1992–1995
XJS 2800 1992–1995

Audi Car
100 Quattro V6 2.8L 2771cc 1992–1994
100 V6 2.8L 2771cc 1992–1994
90 Quattro V6 2.8L 2771cc 1993–1995
90 V6 2.8L 2771cc 1993–1995
A4 Quattro V6 2.8L 2771cc 1996–1999
A4 Quattro L4 1.8L 1781cc 1997–1999
A4 V6 2.8L 2771cc 1996–1999
A4 L4 1.8L 1781cc 1997–1999
A6 Quattro V6 2.8L 2771cc 1997–1999
A6 V6 2.8L 2771cc 1997–1999
A8 Quattro V8 4.2L 4172cc 1997–1999
A8 V8 3.7L 3697cc 1997–1999
Cabriolet V6 2.8L 2771cc 1994–1998

Ford - Europe Car
FIESTA IV (JA_, JB_) Eng.1.3 42kW 1996–1999
Fiesta IV 1300, Endura HCS 1995–2002
GALAXY (WGR) Eng.AAA, AMY 2.8 i V6 128kW AAA, AMY 1995–2000
Galaxy 2000, NSE, ZVSA 1995–2000
Galaxy 1900, AFN 1996–1999
Galaxy 2300, 16V, Y5B 1997–2000
KA (RB_) Eng.JJD, JJF, JJG, JJH, JJL 1.3 i 36kW JJD, JJF, JJG, JJH, JJL 1998–2002
KA Van (RB) Eng.BAA, J4D, J4K, J4M, J4N, J4P, J4S 1.3 i 44kW BAA, J4D, J4K, J4M, J4N, J4P, J4S 2002
KA 1300, Endura 1996–2002
KA2 1300, Endura 1996–2002
KA3 1300, Endura 1996–2002

Ford LCV - Europe Van
Escort 55>75 Mk6 1300 1995–1997
Fiesta 35 Mk4 1300 1996–2003
Fiesta Courier 1300 1996–2003
KA 1300, Endura 2002–2003

Ford Car
Fiesta L4 1.3L 1299cc 79cid 2000

Mazda - Europe Car
R17 1300, 1324cc 1996–2000

Seat - Europe Car
ALHAMBRA (7V8, 7V9) Eng.ADY, ATM 2.0 i 85kW ADY, ATM 1996–2010
ALHAMBRA (7V8, 7V9) Eng.AFN, AVG 1.9 TDI 81kW AFN, AVG 1996–2000
ALHAMBRA (7V8, 7V9) Eng.AJH, AWC 1.8 T 20V 110kW AJH, AWC 1997–2010
ALHAMBRA (7V8, 7V9) Eng.AUE, AYL 2.8 V6 150kW AUE, AYL 2000–2010
ALHAMBRA (7V8, 7V9) Eng.AUE, AYL 2.8 V6 4motion 150kW AUE, AYL 2000–2010
Alhambra 1900, AFN 1996–1999
Alhambra 1800, Turbo, AJH 1998–1999
Arosa 1700, AKU 1998–1999
Cordoba 1900, AFN AHU 1997–2001
Ibiza II 1900, AFN AHU 1996–1999
Ibiza II 1900, 1Z 1996
INCA (6K9) Eng.1Y 1.9 D 47kW 1Y 1999–2003
INCA (6K9) Eng.AEY, AYQ 1.9 SDI 47kW AEY, AYQ 1999–2003
Toledo I 1900, 1Z 1995–1996
Toledo I 1900, AFN AHU 1996–1999

Seat LCV - Europe Van
Inca 1900 1999–2003

Skoda - Europe Car
FELICIA I (6U1) Eng.AEF 1.9 D 47kW AEF 1995–1998
FELICIA I Estate (6U5) Eng.AEF 1.9 D 47kW AEF 1995–1998
FELICIA I Fun (797) Eng.AEF 1.9 D 47kW AEF 1997–2001
FELICIA II (6U1) Eng.AEF 1.9 D 47kW AEF 1998–2001
FELICIA II Estate (6U5) Eng.AEF 1.9 D 47kW AEF 1998–2001
Octavia 1900 1998–2000

Volkswagen - China Car
Bora 1.8, Turbo, Gas (BTH) 2005

Volkswagen - Europe Car
CADDY II Box (9K9A) Eng.1Z, AHU, ALH 1.9 TDI 66kW 1Z, AHU, ALH 1996–2004
CADDY II Box (9K9A) Eng.AEY, AYQ 1.9 SDI 47kW AEY, AYQ 1995–2004
CADDY II Box (9K9A) Eng.AHB 1.7 SDI 42kW AHB 1996–2000
CADDY II Estate (9K9B) Eng.AEY, AYQ 1.9 SDI 47kW AEY, AYQ 1995–2004
CADDY II Estate (9K9B) Eng.AHB 1.7 SDI 42kW AHB 1996–2000
CADDY II Estate (9K9B) Eng.AHU, ALE, ALH 1.9 TDI 66kW AHU, ALE, ALH 1996–2004
Caravelle AAC, 2.0L 1990–1991
Caravelle AAF, 2.5L 1991
GOLF III (1H1) Eng.1Y 1.9 D 48kW 1Y 1991–1997
GOLF III (1H1) Eng.1Z, AHU, ALE 1.9 TDI 66kW 1Z, AHU, ALE 1993–1997
GOLF III (1H1) Eng.2E, ABA, ADY, AGG, AKR 2.0 85kW 2E, ABA, ADY, AGG, AKR 1992–1997
GOLF III (1H1) Eng.AAM 1.8 55kW AAM 1991–1997
GOLF III (1H1) Eng.AAZ 1.9 TD,GTD 55kW AAZ 1991–1997
GOLF III (1H1) Eng.ABF 2.0 GTI 16V 110kW ABF 1992–1997
GOLF III (1H1) Eng.ABS, ACC, ADZ 1.8 66kW ABS, ACC, ADZ 1991–1997
GOLF III (1H1) Eng.ABS, ADZ 1.8 Syncro (1HX1) 66kW ABS, ADZ 1993–1997
GOLF III (1H1) Eng.ABU, AEA, AEE 1.6 55kW ABU, AEA, AEE 1993–1997
GOLF III (1H1) Eng.AEY 1.9 SDI 47kW AEY 1995–1997
GOLF III (1H1) Eng.AFN 1.9 TDI 81kW AFN 1996–1997
GOLF III Cabriolet (1E7) Eng.2E, ADY, AGG, AKR 2.0 85kW 2E, ADY, AGG, AKR 1993–1998
GOLF III Cabriolet (1E7) Eng.AAM 1.8 55kW AAM 1993–1998
GOLF III Cabriolet (1E7) Eng.ABS, ADZ 1.8 66kW ABS, ADZ 1993–1998
GOLF III Cabriolet (1E7) Eng.AFN 1.9 TDI 81kW AFN 1996–1998
GOLF III Variant (1H5) Eng.1Y 1.9 D 48kW 1Y 1993–1999
GOLF III Variant (1H5) Eng.2E, ADY, AGG, AKR 2.0 85kW 2E, ADY, AGG, AKR 1993–1999
GOLF III Variant (1H5) Eng.AAM, ANN 1.8 55kW AAM, ANN 1993–1999
GOLF III Variant (1H5) Eng.AAZ 1.9 TD 55kW AAZ 1993–1999
GOLF III Variant (1H5) Eng.ABS, ADZ, ANP 1.8 66kW ABS, ADZ, ANP 1993–1999
GOLF III Variant (1H5) Eng.ADZ 1.8 Syncro 66kW ADZ 1994–1999
GOLF III Variant (1H5) Eng.AEY 1.9 SDI 47kW AEY 1995–1999
GOLF III Variant (1H5) Eng.AFN 1.9 TDI 81kW AFN 1996–1999
GOLF IV (1J1) Eng.AGP, AQM 1.9 SDI 50kW AGP, AQM 1997–2005
GOLF IV (1J1) Eng.AGR 1.9 TDI 4motion 66kW AGR 1998–2002
GOLF IV (1J1) Eng.AGR, ALH 1.9 TDI 66kW AGR, ALH 1997–2004
GOLF IV (1J1) Eng.AHF, ASV 1.9 TDI 81kW AHF, ASV 1997–2004
GOLF IV Variant (1J5) Eng.AGP, AQM 1.9 SDI 50kW AGP, AQM 1999–2006
GOLF IV Variant (1J5) Eng.AGR 1.9 TDI 4motion 66kW AGR 1999–2002
GOLF IV Variant (1J5) Eng.AGR, ALH 1.9 TDI 66kW AGR, ALH 1999–2006
GOLF IV Variant (1J5) Eng.AHF, ASV 1.9 TDI 81kW AHF, ASV 1999–2001
Golf IV 1900 1997–1998
Golf IV 1900, AGP 1997–1998
Multivan AAC, 2.0L 1990–1991
Multivan AAF, 2.5L 1991
PASSAT (3B2) Eng.ACK, AHA, ALG, APR, AQD 2.8 V6 Syncro/4motion 142kW ACK, AHA, ALG, APR, AQD 1996–1999
PASSAT (3B2) Eng.ACK, AHA, APR, AQD 2.8 V6 142kW ACK, AHA, APR, AQD 1996–1999
PASSAT (3B2) Eng.ADP, AHL, ANA, ARM 1.6 74kW ADP, AHL, ANA, ARM 1996–1999
PASSAT (3B2) Eng.ADR, APT, ARG 1.8 92kW ADR, APT, ARG 1996–1999
PASSAT (3B2) Eng.ADR, APT, ARG 1.8 Syncro/4motion 92kW ADR, APT, ARG 1996–1999
PASSAT (3B2) Eng.AEB, ANB, APU 1.8 T 110kW AEB, ANB, APU 1996–1999
PASSAT Estate (3B5) Eng.ACK, AHA, ALG, APR, AQD 2.8 V6 Syncro/4motion 142kW ACK, AHA, ALG, APR, AQD 1997–1999
PASSAT Estate (3B5) Eng.ACK, AHA, APR, AQD 2.8 V6 142kW ACK, AHA, APR, AQD 1997–1999
PASSAT Estate (3B5) Eng.ADP, AHL, ANA, ARM 1.6 74kW ADP, AHL, ANA, ARM 1997–1999
PASSAT Estate (3B5) Eng.ADR, APT, ARG 1.8 92kW ADR, APT, ARG 1997–1999
PASSAT Estate (3B5) Eng.ADR, APT, ARG 1.8 Syncro/4motion 92kW ADR, APT, ARG 1997–1999
PASSAT Estate (3B5) Eng.AEB, ANB, APU 1.8 T 110kW AEB, ANB, APU 1997–1999
PASSAT Variant (3A5, 35I) Eng.AAZ 1.9 TD 55kW AAZ 1992–1996
PASSAT Variant (3A5, 35I) Eng.ABS, ADZ, RP 1.8 66kW ABS, ADZ, RP 1994–1996
Passat 1600 1997–1998
Passat 1800 1997–1998
Passat 1800, Turbo 1997–1998
Passat 2800, V6 1998
Polo 1900, AFN AHU ALE 1998–1999
SHARAN (7M8, 7M9, 7M6) Eng.AAA, AMY 2.8 VR6 Syncro 128kW AAA, AMY 1996–2000
SHARAN (7M8, 7M9, 7M6) Eng.AJH, AWC 1.8 T 20V 110kW AJH, AWC 1997–2000
Sharan 1900, AFN 1996–1999
Sharan 1800, 20V Turbo, AJH 1997–1998
Transporter - LCV AAC, 2.0L 1990–1991
Transporter - LCV AAF, 2.5L 1991
TRANSPORTER IV Box (70XA) Eng.AAB 2.4 D 57kW AAB 1995–1998
TRANSPORTER IV Box (70XA) Eng.AAB 2.4 D Syncro 57kW AAB 1995–1998
TRANSPORTER IV Box (70XA) Eng.AAC 2.0 62kW AAC 1990–2003
TRANSPORTER IV Box (70XA) Eng.AAF, ACU, AEN, AEU 2.5 81kW AAF, ACU, AEN, AEU 1994–1996
TRANSPORTER IV Box (70XA) Eng.ABL 1.9 TD 50kW ABL 1992–2003
TRANSPORTER IV Box (70XA) Eng.ACV, AUF, AYC 2.5 TDI 75kW ACV, AUF, AYC 1998–2003
TRANSPORTER IV Box (70XA) Eng.ACV, AXL 2.5 TDI Syncro 75kW ACV, AXL 1998–2001
TRANSPORTER IV Box (70XA) Eng.AJT, AYY 2.5 TDI 65kW AJT, AYY 1998–2003
TRANSPORTER IV Bus (70XB, 70XC, 7DB, 7DW, 7DK) Eng.AAB 2.4 D 57kW AAB 1995–1998
TRANSPORTER IV Bus (70XB, 70XC, 7DB, 7DW, 7DK) Eng.AAB 2.4 D Syncro 57kW AAB 1995–1998
TRANSPORTER IV Bus (70XB, 70XC, 7DB, 7DW, 7DK) Eng.AAC 2.0 62kW AAC 1990–2003
TRANSPORTER IV Bus (70XB, 70XC, 7DB, 7DW, 7DK) Eng.AAF, ACU, AEN, AEU 2.5 81kW AAF, ACU, AEN, AEU 1991–1996
TRANSPORTER IV Bus (70XB, 70XC, 7DB, 7DW, 7DK) Eng.ABL 1.9 TD 50kW ABL 1992–2003
TRANSPORTER IV Bus (70XB, 70XC, 7DB, 7DW, 7DK) Eng.ACV, AXL 2.5 TDI Syncro 75kW ACV, AXL 1998–2001
TRANSPORTER IV Bus (70XB, 70XC, 7DB, 7DW, 7DK) Eng.AES 2.8 VR 6 103kW AES 1996–2000
TRANSPORTER IV Bus (70XB, 70XC, 7DB, 7DW, 7DK) Eng.AMV 2.8 VR6 150kW AMV 2000–2003
TRANSPORTER IV Platform/Chassis (70XD) Eng.AAB 2.4 D 57kW AAB 1995–1998
TRANSPORTER IV Platform/Chassis (70XD) Eng.AAB 2.4 D Syncro 57kW AAB 1995–1998
TRANSPORTER IV Platform/Chassis (70XD) Eng.AAC 2.0 62kW AAC 1990–2003
TRANSPORTER IV Platform/Chassis (70XD) Eng.ABL 1.9 TD 50kW ABL 1992–2003
VENTO (1H2) Eng.1Y 1.9 D 48kW 1Y 1991–1998
VENTO (1H2) Eng.1Z, AHU, ALE 1.9 TDI 66kW 1Z, AHU, ALE 1993–1998
VENTO (1H2) Eng.2E, ADY, AGG, AKR 2.0 85kW 2E, ADY, AGG, AKR 1992–1998
VENTO (1H2) Eng.AAM 1.8 55kW AAM 1991–1998
VENTO (1H2) Eng.AAZ 1.9 TD 55kW AAZ 1991–1998
VENTO (1H2) Eng.ABS, ADZ 1.8 66kW ABS, ADZ 1991–1998
VENTO (1H2) Eng.ABU, AEA, AEE 1.6 55kW ABU, AEA, AEE 1993–1998
VENTO (1H2) Eng.AEY 1.9 SDI 47kW AEY 1997–1998
VENTO (1H2) Eng.AFN 1.9 TDI 81kW AFN 1996–1998

Volkswagen LCV - Europe Van
California AAC, 2.0L 1990–1991
California AAF, 2.5L 1990–1991
Multivan 2500, ACV AJT 1998–2003
Multivan 2500, AUF 1999–2003

Volkswagen Car
Golf L4 1.9L 1896cc 116cid Diesel 1993–1995
Golf L4 1.8L 1788cc 109cid 1993–1998
Golf L4 2.0L 1984cc 121cid 1993–1998
Golf L4 1.8L 1781cc 1995–1998
Golf L4 1.9L 1896cc 116cid Diesel; Eng Code AAZ 1996–1998
Golf L4 1.9L 1896cc 116cid AHU 1997–1998
Jetta L4 1.8L 1788cc 109cid 1993–1995
Jetta L4 1.9L 1896cc 116cid DIESEL 1993–1995
Jetta L4 2.0L 1984cc 121cid 1993–1998
Jetta L4 1.9L 1896cc 116cid AAZ; DIESEL 1996
Jetta L4 1.9L 1896cc 116cid DIESEL 1997–1998
Jetta L4 1.9L 1896cc 116cid AHU 1997–1999
Passat L4 1.8L 1781cc 1992–1993
Passat L4 1.9L 1896cc 116cid Diesel 1993–1995
Passat L4 2.0L 1984cc 121cid 1994–1996
Passat L4 1.9L 1896cc 116cid Diesel; Eng Code AAZ 1996–1997
Passat L4 1.9L 1896cc 116cid AHU 1997
Passat V6 2.8L 2771cc 1998–1999
Passat L4 1.8L 1781cc 1998

Volkswagen Van
EuroVan L5 2.5L 2459cc 150cid 1992–1995
EuroVan V6 2.8L 2771cc 1999–2003
Transporter L5 2.5L 2459cc 150cid 1992–1993

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.