Product overview
Genuine OEM Audi Voltage Regulator, part number 07L903803C. This component regulates the output voltage of the alternator, ensuring stable electrical system performance. It is typically located within the alternator assembly. The voltage regulator is a critical electronic component that requires precise calibration and manufacturing tolerances to prevent overcharging or undercharging the battery. Genuine OEM parts ensure this accuracy.
Technical details
- Category
- Electrical & Wiring
- Customs (HS) code
- 85118000
- Manufacturer
- Audi
- Product Type
- Genuine new auto parts
- Shipping size (L × W × H)
- 8 × 7 × 4.5 cm
- Shipping weight
- 0.1 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
5 vehiclesVoltage Regulator — locate 07L903803C Audi Voltage Regulator | Genuine OEM in the official exploded view and explore the surrounding assembly.
Parts in this assembly24
- 1Alternator 059903018QX
- 1Alternator 059903018RX
- 1Alternator 059903018TX
- 1Alternator 059903019X
- 1Alternator 06E903018MX
- 1Alternator 06E903018SX
- 1AAlternator 059903018Q
- 1AAlternator 059903018R
- 1AAlternator 059903019
- 1AAlternator 06E903018S
- 1AAlternator 079903015P
- 1AAlternator 079903015PX
- 1AAlternator 06E903018M
- 2Part 059903119H
- 2Part 06E903119P
- 2Part 06E903119T
- 3Part 06E903193
- 3Part 06E903193D
- 3Part 07L903193
- 4Part 059903803N
- 4Part 059903803P
- 4Part 059903803Q
- 4Regulator 06E903803S
- 6Prot Cap 037145291
Vehicle fitment table5
Europe (5)
| Vehicle | Years | Pos. | PR |
|---|---|---|---|
| Audi A7 Sportback | 2010-2015 | 4 | |
| audi a6 2.0 tdi | 2010-2015 | 4 | |
| Audi Q7 qu. 3.0 TDI | 2009-2015 | 4 | 7, |
| Audi A8L qu. 3.0 TDI | 2009-2014 | 4 | |
| Audi R8 08> | 2007- | 4 |
Diagrams & fitment data powered by oemdiagrams.com
07L903803C Audi Voltage Regulator | Genuine OEM is fitted on: Audi A7 Sportback 2010-2015; audi a6 2.0 tdi 2010-2015; Audi Q7 qu. 3.0 TDI 2009-2015; Audi A8L qu. 3.0 TDI 2009-2014; Audi R8 08> 2007-.