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 vehiclesVoltage 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)
| Vehicle | Years | Pos. | Qty | Remark | PR |
|---|---|---|---|---|---|
| caddy combi./del.van | 1998-2005 | 4 | VALEO | ||
| LUPO/3L TDI | 1998-2003 | 4 | |||
| GOLF CABRIO | 1998-2001 | 4 | 1- | ||
| Passat syncro/4Motion | 1998-2000 | 4 | |||
| AROSA | 1997-2003 | 4 | |||
| Passat | 1997-2000 | 4 | |||
| GOLF VAR./VENTO | 1996-1999 | 4 | 1 | ||
| POLO CLASSIC/VARIANT | 1996-1999 | 4 | 1 | ||
| Golf | 1996-1997 | 4 | 1 | ||
| Audi A6/S6/Wg.qu.F>4A | 1996-1997 | 4 | 1 | ||
| Transporter 96 | 1996-1996 | 4 | 1 | ||
| Golf 96 | 1995-1996 | 4 | 1 | ||
| Golf Var./Vento 96 | 1995-1996 | 4 | 1 | ||
| Audi A6/S6/Wagon qu. 96 | 1995-1996 | 4 | 1 | ||
| POLO | 1994-1999 | 4 | 1 | ||
| Passat | 1994-1997 | 4 | 1 | ||
| Golf Cabrio | 1994-1996 | 4 | 1 | ||
| Passat Var.syncro | 1994-1996 | 4 | 1 | ||
| Golf/Ecomatic 95 | 1994-1995 | 4 | 1 | ||
| Golf Var./Vento 95 | 1994-1995 | 4 | 1 | ||
| Golf/Var. syncro | 1993-1997 | 4 | 1 | ||
| Jetta GLX 94 | 1993-1994 | 4 | 1 | ||
| Transporter syncro | 1992-1995 | 4 | 1 | ||
| Audi 100/Wagon 93 | 1992-1993 | 4 | |||
| GOLF/Ecomatic | 1991-1994 | 4 | 1 | ||
| Passat | 1991-1993 | 9 | 1 | ||
| Audi Coupe qu. | 1989-1991 | 4 | |||
| AUDI COUPE/3 | 1988-1994 | 4 |
Other markets (8)
| Vehicle | Years | Pos. | Qty | Remark | PR |
|---|---|---|---|---|---|
| SANTANA 3000 "CN"04> | 2004- | 4 | 1 | ||
| Eurovan | 1998-2003 | 4 | |||
| Eurovan 98 | 1997-1998 | 4 | 1 | ||
| SANTANA 2000 "CN"96>04 | 1996-2004 | 4 | 1 | ||
| Eurovan | 1996-1997 | 4 | 1 | ||
| AUDI 200 CHINA | 1995-1999 | 4 | 1 | ||
| Eurovan F>>70-T 96 | 1995-1995 | 4 | 1 | ||
| Eurovan 95 | 1994-1995 | 4 | 1 |
Platform / generic diagrams (3)
| Vehicle | Years | Pos. | Qty | Remark | PR |
|---|---|---|---|---|---|
| 3B0 platform | 4 | ||||
| 6K0 platform | 4 | 04,05 | |||
| 6K0 platform | 4 | VALEO |
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.