United States
Product overview
Genuine OEM Audi Alternator Voltage Regulator, part number 077903803D. This essential electrical component is responsible for controlling the output voltage of the alternator. It ensures a stable and consistent power supply to the vehicle's electrical systems and prevents overcharging or undercharging of the battery. Weighing approximately 0.122 kg, this compact regulator is designed for precise integration with the alternator. Opting for a genuine OEM voltage regulator guarantees correct electrical specifications and reliable performance, protecting sensitive electronic components and extending battery life.
Technical details
- Category
- Battery & Charging
- Customs (HS) code
- 85118000
- Manufacturer
- Audi
- Product Type
- Genuine new auto parts
- Shipping size (L × W × H)
- 8.5 × 8 × 4.5 cm
- Shipping weight
- 0.12 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
11 vehiclesVoltage Regulator — locate 077903803D Audi Alternator Voltage Regulator | Electrical in the official exploded view and explore the surrounding assembly.
Parts in this assembly20
- 1Alternator 059903015P
- 1Alternator 077903015Q
- 1Alternator 07C903021P
- 1AlternatorLeft021903016A
- 1AAlternatorLeft021903016AX
- 1AAlternator 059903015PX
- 1AAlternator 077903015QX
- 1AAlternator 07C903021PX
- 2Part 059903119C
- 2Part 077903119E
- 2Part 077903119G
- 2Part 021903119L
- 3Ring 079903237
- 4Collar Nut 030903181
- 5Prot Cap 037145291
- 7Part 079903193C
- 7Part 077903193D
- 8Part N10744601
- 9Part N90403002
- 10Housing 4D0971992B
Vehicle fitment table11
Europe (10)
| Vehicle | Years | Pos. | Qty | PR |
|---|---|---|---|---|
| phaeton 4motion | 2010-2016 | 6 | ||
| phaeton 4motion | 2008-2010 | 6 | ||
| Audi A8/S8/qu. lang 08> | 2007- | 4 | 1 | |
| Touareg 08> | 2007- | 6 | ||
| PHAETON 08> | 2007- | 6 | ||
| Audi RS6 Avant qu.5.0 | 2007-2010 | 4 | ||
| Audi Q7 07> | 2006- | 4 | ||
| AUDI A6 QU.ALLROAD 07> | 2006- | 4 | ||
| Audi A6/S6/Avant/qu. 05> | 2004- | 4 | 1 | |
| Audi A8/S8/qu. lang | 2003-2007 | 4 | 1 | TB |
Other markets (1)
| Vehicle | Years | Pos. | Qty | PR |
|---|---|---|---|---|
| AUDI A6L "CN"05> | 2005- | 4 | 1 |
Diagrams & fitment data powered by oemdiagrams.com
077903803D Audi Alternator Voltage Regulator | Electrical is fitted on: phaeton 4motion 2010-2016; phaeton 4motion 2008-2010; Audi A8/S8/qu. lang 08> 2007-; Touareg 08> 2007-; PHAETON 08> 2007-; Audi RS6 Avant qu.5.0 2007-2010; Audi Q7 07> 2006-; AUDI A6 QU.ALLROAD 07> 2006-; Audi A6/S6/Avant/qu. 05> 2004-; Audi A8/S8/qu. lang 2003-2007; AUDI A6L "CN"05> 2005-.