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Number 4 marks the part’s position in this exploded view (Audi A6 Av. qu. 3.0 (2012-2018)).
Other diagrams in the gallery may use a different number for the same part.
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
Replaces older part numbers
This is the current manufacturer number. Older numbers on this road are no longer supplied.
- 06E903803RNot stocked
Jan 2013 - 059903803QThis pageCurrent number
