United States
Product overview
Genuine OEM Volkswagen Voltage Regulator, part number 03L903803D. This component regulates the output voltage of the alternator, ensuring the battery is charged correctly and all electrical systems receive stable power. It is typically located within the alternator assembly. Manufactured with precise tolerances for optimal performance and longevity, genuine OEM regulators ensure correct voltage regulation and compatibility with the vehicle's electrical system.
Catalogue entry: REGULATOR VALEO; for alternator: 12,14.
Technical details
- Category
- Electrical & Wiring
- 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
- 0.13 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
7 vehiclesVoltage Regulator — locate 03L903803D Volkswagen Voltage Regulator | Genuine OEM in the official exploded view and explore the surrounding assembly.
Parts in this assembly30
- 1Alternator 03C903023S
- 1Alternator 03C903023T
- 1Alternator 03G903016L
- 1Alternator 03L903023B
- 1Alternator 03L903023D
- 1Alternator 06H903017E
- 1Alternator 03H903023E
- 1AAlternator 03C903023SX
- 1AAlternator 03C903023TX
- 1AAlternator 03G903016LX
- 1AAlternator 03L903023BX
- 1AAlternator 03L903023DX
- 1AAlternator 06H903017EX
- 1AAlternator 03H903023EX
- 2Part 03C903119C
- 2Part 045903119A
- 2Part 06B903119D
- 2Part 022903119C
- 3Ring 06B903237
- 3Ring 028903237E
- 4Repair Kit 028903320C
- 5Prot Cap 037145291
- 6Regulator 07K903803
- 6Regulator 079903803
- 7Part 059903193C
- 7Part 06F903193A
- 7Part 06E903193A
- 8Part N10744601
- 9Part N90403002
- 10Housing 4D0971992B
Vehicle fitment table7
Europe (7)
| Vehicle | Years | Pos. |
|---|---|---|
| Ibiza Reference | 2012-2012 | 6 |
| Tiguan 4Motion | 2011-2018 | 7 |
| Golf Cabriolet | 2011-2016 | 7 |
| Passat CC | 2011-2016 | 7 |
| Passat saloon | 2010-2015 | 6 |
| Polo | 2009-2014 | 6 |
| Passat CC | 2008-2012 | 6 |
Diagrams & fitment data powered by oemdiagrams.com
03L903803D Volkswagen Voltage Regulator | Genuine OEM is fitted on: Ibiza Reference 2012-2012; Tiguan 4Motion 2011-2018; Golf Cabriolet 2011-2016; Passat CC 2011-2016; Passat saloon 2010-2015; Polo 2009-2014; Passat CC 2008-2012.