United States
Product overview
Genuine OEM Audi Voltage Regulator, part number 059903803Q. This component is responsible for regulating the output voltage of the alternator, ensuring a stable electrical supply to the vehicle's systems and preventing overcharging of the battery. It is located on the alternator. This part weighs 0.102 kg and has dimensions of 0.08m x 0.07m x 0.045m. Genuine OEM voltage regulators are calibrated to precise specifications to maintain the correct charging system voltage, protecting sensitive electronics and ensuring battery longevity.
Catalogue entry: REGULATOR; for alternator: 6.
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
Specifications
As recorded in the manufacturer’s parts catalogue for this part number.
Equipment codes
- 9G3
- TF1
- TG1
- TH1
- TS8
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
8 vehiclesVoltage Regulator — locate 059903803Q Audi Voltage Regulator | Genuine OEM in the official exploded view and explore the surrounding assembly.
Parts in this assembly47
- 1Alternator 03L903017BX
- 1Alternator 03L903017EX
- 1Alternator 04L903017X
- 1Alternator 04L903017AX
- 1Alternator 04L903017DX
- 1Alternator 04L903017EX
- 1Alternator 059903018QX
- 1Alternator 059903018RX
- 1Alternator 059903018SX
- 1Alternator 059903019JX
- 1Alternator 059903019MX
- 1Alternator 059903019NX
- 1AlternatorLeft06H903017KX
- 1AlternatorRight06H903018HX
- 1AlternatorRight06H903018JX
- 1AlternatorLeft06H903017TX
- 1AAlternator 03L903017B
- 1AAlternator 03L903017E
- 1AAlternator 04L903017
- 1AAlternator 04L903017A
- 1AAlternator 04L903017D
- 1AAlternator 04L903017E
- 1AAlternator 059903018R
- 1AAlternator 059903018S
- 1AAlternator 059903019J
- 1AAlternator 059903019M
- 1AAlternator 059903019N
- 1AAlternatorLeft06H903017K
- 1AAlternatorRight06H903018H
- 1AAlternatorRight06H903018J
- 1AAlternatorLeft06H903017T
- 2Part 045903119A
- 2Part 059903119H
- 2Part 06H903119C
- 2Part 06H903119B
- 3Part 03L903193
- 3Part 04L903193
- 3Part 059903193H
- 3Part 06E903193
- 3Part 06E903193D
- 3Part 06E903193E
- 4Regulator 059903803N
- 4Regulator 06E903803S
- 4Regulator 06H903803E
- 4Regulator 06H903803B
- 6Part 037145291
- 6Part 06H145291A
Vehicle fitment table8
Europe (7)
| Vehicle | Years | Pos. |
|---|---|---|
| Audi A6 Av. qu. 3.0 | 2012-2018 | 4 |
| Audi A5 Sportback | 2011-2017 | 4 |
| Audi A5 Cabrio 2.0 | 2011-2017 | 4 |
| audi a4 av. 2.0 tdi | 2011-2015 | 4 |
| Audi A7 Sportback | 2010-2015 | 4 |
| audi a6 2.0 tdi | 2010-2015 | 4 |
| Audi A4 Av. Allroad | 2008-2016 | 4 |
Other markets (1)
| Vehicle | Years | Pos. |
|---|---|---|
| Audi A6 L 2.0 | 2011-2013 | 4 |
Diagrams & fitment data powered by oemdiagrams.com
059903803Q Audi Voltage Regulator | Genuine OEM is fitted on: Audi A6 Av. qu. 3.0 2012-2018; Audi A5 Sportback 2011-2017; Audi A5 Cabrio 2.0 2011-2017; audi a4 av. 2.0 tdi 2011-2015; Audi A7 Sportback 2010-2015; audi a6 2.0 tdi 2010-2015; Audi A4 Av. Allroad 2008-2016; Audi A6 L 2.0 2011-2013.
