United States
Product overview
Genuine OEM Volkswagen Voltage Regulator, part number 03L903803C. This component is responsible for regulating the output voltage of the alternator, ensuring the battery is charged correctly and the vehicle's electrical systems receive stable power. It is typically mounted on the alternator. Genuine OEM voltage regulators are calibrated to precise specifications, guaranteeing stable voltage output and preventing damage to electrical components.
Catalogue entry: REGULATOR VALEO; for alternator: 7,7A,12A,16,; 16A,18.
Technical details
- Category
- Electrical & Wiring
- Country of origin
- France
- Customs (HS) code
- 85118000
- Manufacturer
- Volkswagen
- Product Type
- Genuine new auto parts
- Shipping size (L × W × H)
- 7 × 6.8 × 4.2 cm
- Shipping weight
- 0.14 kg
Specifications
As recorded in the manufacturer’s parts catalogue for this part number.
Equipment codes
- 7L6
- 7L7
PR codes identify the factory option a part belongs to; your vehicle’s are listed on the data sticker in the boot well or service booklet.
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
28 vehiclesVoltage Regulator — locate 03L903803C Volkswagen Voltage Regulator | Genuine OEM in the official exploded view and explore the surrounding assembly.
Parts in this assembly18
- 1Alternator 03C903025F
- 1AlternatorLeft03L903023
- 2Alternator 03C903025FX
- 2PartLeft03L903023AX
- 2PartRight03L903024MX
- 2AlternatorLeft03L903023X
- 3Part 03C903119F
- 3Part 022903119C
- 4Ring 028903237E
- 5Repair Kit 028903320C
- 6Prot Cap 037145291
- 7Regulator 06E903803G
- 7Regulator 07K903803
- 8Part 059903193C
- 8Part 06F903193A
- 9Part N01100840
- 10Part N90403003
- 11Housing 4D0971992A
Vehicle fitment table28
Europe (28)
| Vehicle | Years | Pos. | PR |
|---|---|---|---|
| Amarok twin cab | 2012-2016 | 7 | |
| Polo | 2012-2014 | 7 | |
| Ibiza Reference | 2012-2012 | 6 | |
| Tiguan 4Motion | 2011-2018 | 7 | |
| Golf Cabriolet | 2011-2016 | 7 | |
| Crafter 35 panel | 2011-2016 | 6 | |
| Passat CC | 2011-2016 | 7 | |
| transp. caravelle | 2011-2015 | 6 | |
| transp. dropside | 2011-2015 | 6 | |
| California Camper | 2011-2015 | 6 | |
| Audi Q3 quattro | 2011-2015 | 4 | 2, |
| Golf Plus | 2011-2014 | 6 | |
| Caddy Maxi Kombi | 2010-2015 | 7 | |
| Touran 2.0 | 2010-2015 | 7 | |
| Passat saloon | 2010-2015 | 6 | |
| Eos BlueMotion | 2010-2015 | 7 | |
| Audi A1 Sportback | 2010-2015 | 4 | |
| Audi TTS Coupe 2.0 | 2010-2014 | 4 | |
| Polo | 2009-2014 | 6 | |
| Audi A4 Av. Allroad | 2008-2016 | 4 | |
| Scirocco 2.0 | 2008-2014 | 6 | |
| Audi A3 Sportback | 2008-2013 | 4 | |
| superb comfort | 2008-2013 | 4 | |
| Audi Q5 qu. 2.0 TDI | 2008-2012 | 4 | |
| Audi A5 Cabrio 2.0 | 2008-2012 | 4 | |
| Audi A5/S5 Coupe 08> | 2007- | 4 | |
| AUDI A4 08> | 2007- | 4 | |
| Audi A3 Cab. 2.0 TDI | 2007-2013 | 4 |
Diagrams & fitment data powered by oemdiagrams.com
03L903803C Volkswagen Voltage Regulator | Genuine OEM is fitted on: Amarok twin cab 2012-2016; Polo 2012-2014; Ibiza Reference 2012-2012; Tiguan 4Motion 2011-2018; Golf Cabriolet 2011-2016; Crafter 35 panel 2011-2016; Passat CC 2011-2016; transp. caravelle 2011-2015; transp. dropside 2011-2015; California Camper 2011-2015; Audi Q3 quattro 2011-2015; Golf Plus 2011-2014; Caddy Maxi Kombi 2010-2015; Touran 2.0 2010-2015; Passat saloon 2010-2015; Eos BlueMotion 2010-2015; Audi A1 Sportback 2010-2015; Audi TTS Coupe 2.0 2010-2014; Polo 2009-2014; Audi A4 Av. Allroad 2008-2016; Scirocco 2.0 2008-2014; Audi A3 Sportback 2008-2013; superb comfort 2008-2013; Audi Q5 qu. 2.0 TDI 2008-2012; Audi A5 Cabrio 2.0 2008-2012; Audi A5/S5 Coupe 08> 2007-; AUDI A4 08> 2007-; Audi A3 Cab. 2.0 TDI 2007-2013.
