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Genuine OEM & performance parts — ships to United States

Product overview

Genuine OEM Volkswagen Voltage Regulator, part number 04C903803B. This voltage regulator is a key component of the charging system, responsible for controlling the output voltage of the alternator to ensure the battery is properly charged and electrical systems receive stable power. It is integrated with the alternator assembly. Genuine OEM voltage regulators have precise calibration for optimal charging performance and longevity.

Catalogue entry: REGULATOR BOSCH.

Technical details

Category
Electrical & Wiring
Country of origin
Germany
Customs (HS) code
85118000
Manufacturer
Volkswagen
Product Type
Genuine new auto parts
Shipping size (L × W × H)
8.5 × 7 × 3.4 cm
Shipping weight
0.1 kg

Specifications

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

Equipment codes

  • 7L6

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

7 vehicles

Voltage Regulator — locate 04C903803B Volkswagen Voltage Regulator | Genuine OEM in the official exploded view and explore the surrounding assembly.

Parts in this assembly15
Vehicle fitment table7

Europe (2)

VehicleYearsPos.QtyRemarkPR
Mii reference2011-2019617L6
up! BlueMotion2011-20167

Other markets (5)

VehicleYearsPos.QtyRemarkPR
Taos 1.42021-20236
Nivus2020-6D
Taos 1.42020-20246
T-Cross 1,02019-6
GOLF "ZA."2005-20076

Diagrams & fitment data powered by oemdiagrams.com

04C903803B Volkswagen Voltage Regulator | Genuine OEM is fitted on: Mii reference 2011-2019; up! BlueMotion 2011-2016; Taos 1.4 2021-2023; Nivus 2020-; Taos 1.4 2020-2024; T-Cross 1,0 2019-; GOLF "ZA." 2005-2007.