Product overview
Genuine OEM Audi Alternator Voltage Regulator, part number 06F903803B. This critical electrical component is responsible for controlling the output voltage of the alternator, ensuring a stable and consistent electrical supply to the vehicle's systems and battery. It is typically mounted directly on the alternator. Weighing approximately 0.125 kg, this regulator is engineered for precise electrical control. Choosing a genuine OEM voltage regulator guarantees accurate voltage regulation, proper communication with the vehicle's ECU, and durable construction, which are vital for protecting sensitive electronics and maintaining battery health.
Catalogue entry: REGULATOR BOSCH; for alternator: 1,3.
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)
- 10 × 8 × 5 cm
- Shipping weight
- 0.13 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
Parts diagram & fitment
79 vehiclesVoltage Regulator — locate 06F903803B Audi Alternator Voltage Regulator | Controls Voltage in the official exploded view and explore the surrounding assembly.
Parts in this assembly30
- 1Alternator 06B903016AB
- 1Alternator 06F903023F
- 1Alternator 06J903023C
- 1Alternator 03C903023A
- 1AAlternator 03C903023CX
- 1AAlternator 06B903019EX
- 1APart 06D903016AX
- 1AAlternator 06F903023FX
- 1AAlternator 06F903023HX
- 1APart 06J903023CX
- 1APart JZW903021QX
- 1AAlternator 03C903023AX
- 2Part 03C903119C
- 2Part 06B903119D
- 2Part 022903119C
- 3Ring 06B903237
- 3Ring 028903237E
- 4Repair Kit 028903320C
- 5Part 037145291A
- 5Prot Cap 037145291
- 6Regulator 06B903803B
- 6Regulator 070903803E
- 6Regulator 03C903803
- 7Part 06B903193A
- 7Part 06B903193B
- 7Part 06F903193A
- 7Part 059903193C
- 8Part N01100840
- 9Part N90403003
- 10Housing 4D0971992
Vehicle fitment table79
Europe (66)
| Vehicle | Years | Pos. | Qty | Remark | PR |
|---|---|---|---|---|---|
| Yeti | 2013-2017 | 6 | |||
| Jetta 1.4 | 2013-2015 | 6 | |||
| jetta | 2013-2014 | 6 | |||
| Rapid | 2012-2022 | 6 | |||
| Amarok twin cab | 2012-2016 | 7 | |||
| Toledo Reference | 2012-2015 | 6 | |||
| Polo | 2012-2014 | 7 | |||
| Ibiza Reference | 2012-2012 | 6 | BOSCH | ||
| Tiguan 4Motion | 2011-2018 | 7 | |||
| new beetle | 2011-2016 | 6 | |||
| new beetle cabriolet | 2011-2016 | 6 | |||
| Golf Cabriolet | 2011-2016 | 7 | |||
| Crafter 35 panel | 2011-2016 | 6 | |||
| Passat CC | 2011-2016 | 7 | |||
| transp. caravelle | 2011-2015 | 6 | |||
| transp. dropside | 2011-2015 | 6 | |||
| California Camper | 2011-2015 | 6 | |||
| Polo | 2011-2014 | 20 | |||
| Golf Plus | 2011-2014 | 6 | |||
| Golf | 2011-2013 | 6 | |||
| Ibiza Reference | 2011-2012 | 6 | BOSCH | ||
| Polo | 2010-2015 | 6 | |||
| Caddy Maxi Kombi | 2010-2015 | 7 | |||
| Touran 2.0 | 2010-2015 | 7 | |||
| Passat saloon | 2010-2015 | 6 | |||
| Eos BlueMotion | 2010-2015 | 7 | |||
| Roomster | 2010-2015 | 6 | |||
| Audi A1 Sportback | 2010-2015 | 4 | |||
| jetta | 2010-2014 | 6 | |||
| Fabia Scout | 2010-2014 | 6 | |||
| Altea XL Reference | 2010-2013 | 6 | |||
| Leon Stylance | 2010-2012 | 6 | |||
| Polo | 2009-2014 | 6 | |||
| jetta variant | 2009-2014 | 4 | |||
| Audi TTRS Plus Coupe | 2009-2014 | 4 | |||
| golf estate | 2009-2013 | 4 | |||
| Yeti | 2009-2013 | 6 | |||
| Polo | 2009-2012 | 6 | |||
| Amarok twin cab | 2009-2012 | 7 | |||
| Golf Plus 1.6 | 2009-2011 | 6 | |||
| transp. caravelle | 2009-2011 | 6 | |||
| Scirocco 2.0 | 2008-2014 | 6 | |||
| superb comfort | 2008-2013 | 4 | |||
| octavia ambiente | 2008-2013 | 4 | |||
| Audi A3 Sportback | 2008-2013 | 4 | |||
| Passat CC | 2008-2012 | 6 | |||
| Ibiza Reference | 2008-2011 | 6 | |||
| Exeo ST Reference | 2008-2011 | 6 | |||
| TRANSPORTER GESCHL. 08 | 2007- | 4 | |||
| TIGUAN 08> | 2007- | 6 | |||
| Audi TT Coupe/Roadster 08> | 2007- | 4 | |||
| Audi A3/S3/Sportb./qu. 08 | 2007- | 4 | |||
| Audi A3 Cab. 2.0 TDI | 2007-2013 | 4 | |||
| ROOMSTER 06> | 2006- | 4 | |||
| FABIA/COMBI NF 07> | 2006- | 4 | |||
| Audi A4/S4 Cabrio./qu. 07> | 2006- | 4 | |||
| ALTEA 07> | 2006- | 6 | |||
| Alhambra | 2006-2010 | 6 | |||
| FOX M.05> | 2005- | 20 | |||
| Audi A4/S4/Av./qu. 05> | 2005- | 4 | |||
| Audi A3/S3/quattro | 2005-2007 | 4 | |||
| OCTAVIA/COMBI/4X4 04> | 2004- | 4 | |||
| FABIA/COMBI 05> | 2004- | 4 | |||
| FOX 04> | 2003- | 20 | |||
| Audi TT Coupe/Roadster | 2002-2006 | 4 | |||
| Audi A4/S4/Av./qu. | 2001-2004 | 4 |
Other markets (10)
| Vehicle | Years | Pos. | Qty | Remark | PR |
|---|---|---|---|---|---|
| New Passat | 2011-2015 | 7 | |||
| polo sedan | 2011-2014 | 20 | |||
| Polo Vivo | 2010-2014 | 6 | |||
| DIES.-IND.-MOT.1,9>2,0 08> | 2007- | 7 | 1 | ||
| Jetta City "Mex"08> | 2007- | 4 | |||
| POLO HATCH "BR."07> | 2006- | 20 | |||
| POLO SEDAN "BR."07> | 2006- | 20 | |||
| SURAN (FOX MPV) "RA."06> | 2006- | 20 | |||
| POLO-BRASIL | 2002-2006 | 20 | |||
| POLO LIM.(SEDAN) "BR" | 2002-2006 | 20 |
Platform / generic diagrams (3)
| Vehicle | Years | Pos. | Qty | Remark | PR |
|---|---|---|---|---|---|
| 3B0 platform | 4 | ||||
| 5U0 platform | 20 | ||||
| 06A platform | 6 | 1 | 7KY |
Diagrams & fitment data powered by oemdiagrams.com
06F903803B Audi Alternator Voltage Regulator | Controls Voltage is fitted on: Yeti 2013-2017; Jetta 1.4 2013-2015; jetta 2013-2014; Rapid 2012-2022; Amarok twin cab 2012-2016; 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; Crafter 35 panel 2011-2016; Passat CC 2011-2016; transp. caravelle 2011-2015; transp. dropside 2011-2015; California Camper 2011-2015; Polo 2011-2014; Golf Plus 2011-2014; Golf 2011-2013; Ibiza Reference 2011-2012; Polo 2010-2015; Caddy Maxi Kombi 2010-2015; Touran 2.0 2010-2015; Passat saloon 2010-2015; Eos BlueMotion 2010-2015; Roomster 2010-2015; Audi A1 Sportback 2010-2015; jetta 2010-2014; Fabia Scout 2010-2014; Altea XL Reference 2010-2013; Leon Stylance 2010-2012; Polo 2009-2014; jetta variant 2009-2014; Audi TTRS Plus Coupe 2009-2014; golf estate 2009-2013; Yeti 2009-2013; Polo 2009-2012; Amarok twin cab 2009-2012; Golf Plus 1.6 2009-2011; transp. caravelle 2009-2011; Scirocco 2.0 2008-2014; superb comfort 2008-2013; octavia ambiente 2008-2013; Audi A3 Sportback 2008-2013; Passat CC 2008-2012; Ibiza Reference 2008-2011; Exeo ST Reference 2008-2011; TRANSPORTER GESCHL. 08 2007-; TIGUAN 08> 2007-; Audi TT Coupe/Roadster 08> 2007-; Audi A3/S3/Sportb./qu. 08 2007-; Audi A3 Cab. 2.0 TDI 2007-2013; ROOMSTER 06> 2006-; FABIA/COMBI NF 07> 2006-; Audi A4/S4 Cabrio./qu. 07> 2006-; ALTEA 07> 2006-; Alhambra 2006-2010; FOX M.05> 2005-; Audi A4/S4/Av./qu. 05> 2005-; Audi A3/S3/quattro 2005-2007; OCTAVIA/COMBI/4X4 04> 2004-; FABIA/COMBI 05> 2004-; FOX 04> 2003-; Audi TT Coupe/Roadster 2002-2006; Audi A4/S4/Av./qu. 2001-2004; New Passat 2011-2015; polo sedan 2011-2014; Polo Vivo 2010-2014; DIES.-IND.-MOT.1,9>2,0 08> 2007-; Jetta City "Mex"08> 2007-; POLO HATCH "BR."07> 2006-; POLO SEDAN "BR."07> 2006-; SURAN (FOX MPV) "RA."06> 2006-; POLO-BRASIL 2002-2006; POLO LIM.(SEDAN) "BR" 2002-2006; 3B0 platform; 5U0 platform; 06A platform.