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Genuine OEM & performance parts — ships to United States

Product overview

Genuine OEM Audi Alternator Voltage Regulator, part number 06B903803B. This crucial electrical component is responsible for controlling the output voltage of the alternator, ensuring a stable and consistent power supply to the vehicle's electrical system and battery. Weighing 0.105 kg, it is a compact yet vital part. Using a genuine OEM voltage regulator guarantees correct electrical specifications, precise voltage regulation, and compatibility with the vehicle's charging system, preventing overcharging or undercharging and protecting sensitive electronics.

Catalogue entry: REGULATOR VALEO; for alternator: 2,4,6.

Technical details

Category
Battery & Charging
Country of origin
France
Customs (HS) code
85118000
Manufacturer
Audi
Product Type
Genuine new auto parts
Shipping size (L × W × H)
7 × 6.5 × 5 cm
Shipping weight
0.11 kg

Specifications

As recorded in the manufacturer’s parts catalogue for this part number.

Equipment codes

  • 7L3

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