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Genuine OEM & performance parts — ships to United States

Product overview

Genuine OEM Volkswagen Voltage Regulator, part number 028903803F. This voltage regulator's function is to control the output voltage of the alternator, ensuring it remains within the correct range for charging the battery and powering the vehicle's electrical systems. It is part of the alternator assembly. Manufactured to strict tolerances for reliable electrical performance. Genuine OEM voltage regulators are critical for maintaining stable electrical power, preventing overcharging or undercharging of the battery, and protecting sensitive electronics.

Technical details

Category
Electrical & Wiring
Customs (HS) code
85118000
Manufacturer
Volkswagen
Product Type
Genuine new auto parts
Shipping size (L × W × H)
11.28 × 9.58 × 7.09 cm
Shipping weight
0.09 kg

Why buy from WW Spares?

  • ✓ Genuine OEM inventory sourced directly from factory networks
  • ✓ Fitment support from workshop-seasoned parts specialists
  • ✓ Global logistics with customs-ready documentation

Need help confirming compatibility? Talk to a specialist

Parts diagram & fitment

39 vehicles

Voltage Regulator — locate 028903803F Volkswagen Voltage Regulator | Genuine OEM in the official exploded view and explore the surrounding assembly.

This part is marked discontinued by the manufacturer (since 2007-04-01); contact us to check current availability.

Parts in this assembly4
Vehicle fitment table39

Europe (28)

VehicleYearsPos.QtyRemarkPR
caddy combi./del.van1998-20054VALEO
LUPO/3L TDI1998-20034
GOLF CABRIO1998-200141-
Passat syncro/4Motion1998-20004
AROSA1997-20034
Passat1997-20004
GOLF VAR./VENTO1996-199941
POLO CLASSIC/VARIANT1996-199941
Golf1996-199741
Audi A6/S6/Wg.qu.F>4A1996-199741
Transporter 961996-199641
Golf 961995-199641
Golf Var./Vento 961995-199641
Audi A6/S6/Wagon qu. 961995-199641
POLO1994-199941
Passat1994-199741
Golf Cabrio1994-199641
Passat Var.syncro1994-199641
Golf/Ecomatic 951994-199541
Golf Var./Vento 951994-199541
Golf/Var. syncro1993-199741
Jetta GLX 941993-199441
Transporter syncro1992-199541
Audi 100/Wagon 931992-19934
GOLF/Ecomatic1991-199441
Passat1991-199391
Audi Coupe qu.1989-19914
AUDI COUPE/31988-19944

Other markets (8)

VehicleYearsPos.QtyRemarkPR
SANTANA 3000 "CN"04>2004-41
Eurovan1998-20034
Eurovan 981997-199841
SANTANA 2000 "CN"96>041996-200441
Eurovan1996-199741
AUDI 200 CHINA1995-199941
Eurovan F>>70-T 961995-199541
Eurovan 951994-199541

Platform / generic diagrams (3)

VehicleYearsPos.QtyRemarkPR
3B0 platform4
6K0 platform404,05
6K0 platform4VALEO

Diagrams & fitment data powered by oemdiagrams.com

028903803F Volkswagen Voltage Regulator | Genuine OEM is fitted on: caddy combi./del.van 1998-2005; LUPO/3L TDI 1998-2003; GOLF CABRIO 1998-2001; Passat syncro/4Motion 1998-2000; AROSA 1997-2003; Passat 1997-2000; GOLF VAR./VENTO 1996-1999; POLO CLASSIC/VARIANT 1996-1999; Golf 1996-1997; Audi A6/S6/Wg.qu.F>4A 1996-1997; Transporter 96 1996-1996; Golf 96 1995-1996; Golf Var./Vento 96 1995-1996; Audi A6/S6/Wagon qu. 96 1995-1996; POLO 1994-1999; Passat 1994-1997; Golf Cabrio 1994-1996; Passat Var.syncro 1994-1996; Golf/Ecomatic 95 1994-1995; Golf Var./Vento 95 1994-1995; Golf/Var. syncro 1993-1997; Jetta GLX 94 1993-1994; Transporter syncro 1992-1995; Audi 100/Wagon 93 1992-1993; GOLF/Ecomatic 1991-1994; Passat 1991-1993; Audi Coupe qu. 1989-1991; AUDI COUPE/3 1988-1994; SANTANA 3000 "CN"04> 2004-; Eurovan 1998-2003; Eurovan 98 1997-1998; SANTANA 2000 "CN"96>04 1996-2004; Eurovan 1996-1997; AUDI 200 CHINA 1995-1999; Eurovan F>>70-T 96 1995-1995; Eurovan 95 1994-1995; 3B0 platform; 6K0 platform.