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Genuine OEM & performance parts — ships to United States

Product overview

Genuine OEM Audi Alternator Voltage Regulator, part number 07K903803. This component is responsible for precisely controlling the voltage output of the alternator, ensuring a stable and correct electrical supply to the vehicle's systems and battery. It is typically integrated into the alternator assembly. Weighing 0.1 kg, this regulator is a compact yet vital electrical part. Choosing a genuine OEM voltage regulator ensures accurate calibration and robust electronic components, preventing overcharging or undercharging and protecting the vehicle's electrical system.

Catalogue entry: REGULATOR; for alternator: 50.

Technical details

Category
Battery & Charging
Country of origin
Hungary
Customs (HS) code
85118000
Manufacturer
Audi
Product Type
Genuine new auto parts
Shipping size (L × W × H)
11 × 7.5 × 2.7 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

45 vehicles

Voltage Regulator — locate 07K903803 Audi Alternator Voltage Regulator | Charging System in the official exploded view and explore the surrounding assembly.

Parts in this assembly36
Compatible / alternative parts(12)
Vehicle fitment table45

Europe (45)

VehicleYearsPos.QtyPR
Yeti2013-20176
Rapid2012-20226
Toledo Reference2012-20156
Polo2012-20147
Ibiza Reference2012-20126
Tiguan 4Motion2011-20187
new beetle2011-20166
new beetle cabriolet2011-20166
Golf Cabriolet2011-20167
Passat CC2011-20167
Audi Q3 quattro2011-20154
Golf Plus2011-20146
Golf2011-20136
Audi RS3 Sportback2011-201241TB9
Ibiza Reference2011-20126
Sharan Blue Motion2010-20156
Caddy Maxi Kombi2010-20157
Touran 2.02010-20157
Passat saloon2010-20156
Eos BlueMotion2010-20157
Audi A1 Sportback2010-20154
Roomster2010-20156
jetta2010-20146
Audi TTS Coupe 2.02010-20144
Fabia Scout2010-20146
Altea XL Reference2010-20136
Alhambra Stylance2010-20136
Leon Stylance2010-20126
Audi TTRS Plus Coupe2009-20144
Yeti2009-20136
Polo2009-20126
Golf Plus 1.62009-20116
Audi A4 Av. Allroad2008-20164
Scirocco 2.02008-20146
Audi A3 Sportback2008-20134
superb comfort2008-20134
octavia ambiente2008-20134
Passat CC2008-20126
Audi Q5 qu. 2.0 TDI2008-201241,
Audi A5 Cabrio 2.02008-201241,
TIGUAN 08>2007-6
Audi A5/S5 Coupe 08>2007-41,
AUDI A4 08>2007-41,
Audi A3 Cab. 2.0 TDI2007-20134
ALTEA 07>2006-6

Diagrams & fitment data powered by oemdiagrams.com

07K903803 Audi Alternator Voltage Regulator | Charging System is fitted on: Yeti 2013-2017; Rapid 2012-2022; Toledo Reference 2012-2015; Polo 2012-2014; Ibiza Reference 2012-2012; Tiguan 4Motion 2011-2018; new beetle 2011-2016; new beetle cabriolet 2011-2016; Golf Cabriolet 2011-2016; Passat CC 2011-2016; Audi Q3 quattro 2011-2015; Golf Plus 2011-2014; Golf 2011-2013; Audi RS3 Sportback 2011-2012; Ibiza Reference 2011-2012; Sharan Blue Motion 2010-2015; Caddy Maxi Kombi 2010-2015; Touran 2.0 2010-2015; Passat saloon 2010-2015; Eos BlueMotion 2010-2015; Audi A1 Sportback 2010-2015; Roomster 2010-2015; jetta 2010-2014; Audi TTS Coupe 2.0 2010-2014; Fabia Scout 2010-2014; Altea XL Reference 2010-2013; Alhambra Stylance 2010-2013; Leon Stylance 2010-2012; Audi TTRS Plus Coupe 2009-2014; Yeti 2009-2013; Polo 2009-2012; Golf Plus 1.6 2009-2011; Audi A4 Av. Allroad 2008-2016; Scirocco 2.0 2008-2014; Audi A3 Sportback 2008-2013; superb comfort 2008-2013; octavia ambiente 2008-2013; Passat CC 2008-2012; Audi Q5 qu. 2.0 TDI 2008-2012; Audi A5 Cabrio 2.0 2008-2012; TIGUAN 08> 2007-; Audi A5/S5 Coupe 08> 2007-; AUDI A4 08> 2007-; Audi A3 Cab. 2.0 TDI 2007-2013; ALTEA 07> 2006-.