United States
Product overview
Genuine OEM Volkswagen Voltage Regulator, part number 03L903803E. 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.
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
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
3 vehiclesVoltage Regulator — locate 03L903803E Volkswagen Voltage Regulator | Genuine OEM in the official exploded view and explore the surrounding assembly.
Superseded by 03L903023BX — the current replacement part.
Parts in this assembly48
- 1Alternator 03H903023D
- 1Alternator 03H903023J
- 1Alternator 03H903023K
- 1Alternator 059903018A
- 1Alternator 059903023K
- 1Alternator 059903023L
- 1Alternator 059903023M
- 1Alternator 059903023N
- 1Alternator 059903023Q
- 1Alternator 059903023QX
- 1Alternator 06E903023
- 1Alternator 06E903023A
- 1Alternator 06E903023C
- 1Alternator 06E903023D
- 1Alternator 079903015L
- 1Alternator 079903023
- 1Alternator 03H903023C
- 1APart 03H903023DX
- 1AAlternator 03H903023JX
- 1APart 03H903023KX
- 1AAlternator 059903018AX
- 1APart 059903023KX
- 1APart 059903023LX
- 1AAlternator 059903023MX
- 1APart 059903023NX
- 1APart 06E903023CX
- 1APart 06E903023DX
- 1AAlternator 079903015LX
- 1AAlternator 079903023X
- 1APart 03H903023CX
- 2Pulley 059903119C
- 2Part 059903119H
- 2Pulley 06E903119S
- 2Part 021903119L
- 3Ring 028903237E
- 4Part 028903320C
- 5Part 037145291
- 6Regulator 06E903803P
- 6Regulator 06H903803C
- 6Regulator 06H903803G
- 6Regulator 079903803H
- 6Regulator 07L903803D
- 6Regulator 059903803R
- 7Part 06E903193
- 7Part 079903193D
- 7Part 07L903193
- 7Part 059903193C
- 8Part N01100840
Compatible / alternative parts(1)
Vehicle fitment table3
Europe (3)
| Vehicle | Years | Pos. |
|---|---|---|
| touareg | 2012-2014 | 6 |
| Passat CC | 2011-2016 | 7 |
| Alhambra Stylance | 2010-2013 | 6 |
Diagrams & fitment data powered by oemdiagrams.com
03L903803E Volkswagen Voltage Regulator | Genuine OEM is fitted on: touareg 2012-2014; Passat CC 2011-2016; Alhambra Stylance 2010-2013.
