Genuine Volkswagen Voltage Regulator

Adjustable Voltage Regulator

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22 Voltage Regulators found

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Volkswagen Voltage Regulator Part Number: 036-903-803
$68.87 MSRP: $96.45
You Save: $27.58 (29%)
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Product Specifications
- Other Name: Regulator; Rectifier
Fits the following Volkswagen Models:
- Cabriolet | 1986 | Base | 4 Cyl 1.8 L GAS
- Quantum | 1984 | GL, Wolfsburg Edition | 4 Cyl 1.6 L DIESEL, 4 Cyl 1.8 L GAS, 5 Cyl 2.2 L GAS
- Scirocco | 1986 | 16-Valve, Base | 4 Cyl 1.8 L GAS
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Volkswagen Voltage Regulator Part Number: 078-903-803-D
$166.60 MSRP: $233.33
You Save: $66.73 (29%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Regulator
Fits the following Volkswagen Models:
- Passat | 2002-2005 | GL, GL TDI, GLS, GLS 4 Motion, GLS TDI, GLX, GLX 4 Motion, W8 | 4 Cyl 1.8 L GAS, 4 Cyl 2.0 L DIESEL, 6 Cyl 2.8 L GAS, 8 Cyl 4.0 L GAS
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Volkswagen Voltage Regulator Part Number: 05L-903-803
$36.98 MSRP: $51.37
You Save: $14.39 (29%)
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Product Specifications
- Other Name: Regulator
Fits the following Volkswagen Models:
- Jetta | 2022-2025 | GLI 40th Anniversary Edition, GLI Autobahn, S, SE, SEL, Sport | 4 Cyl 1.5 L GAS, 4 Cyl 2.0 L GAS
- Taos | 2022-2024 | S, SE, SEL | 4 Cyl 1.5 L GAS
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Volkswagen Voltage Regulator Part Number: 05E-903-803
$39.91 MSRP: $55.43
You Save: $15.52 (28%)
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Product Specifications
- Other Name: Regulator
Fits the following Volkswagen Models:
- Jetta | 2022-2025 | GLI 40th Anniversary Edition, GLI Autobahn, S, SE, SEL, Sport | 4 Cyl 1.5 L GAS, 4 Cyl 2.0 L GAS
- Taos | 2022-2024 | S, SE, SEL | 4 Cyl 1.5 L GAS
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Volkswagen Voltage Regulator Part Number: 055-903-803
$64.40 MSRP: $90.20
You Save: $25.80 (29%)
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Product Specifications
- Other Name: Regulator
Fits the following Volkswagen Models:
- Quantum | 1984-1985 | Base, GL, Wolfsburg Edition | 4 Cyl 1.6 L DIESEL, 4 Cyl 1.8 L GAS, 5 Cyl 2.2 L GAS
- Rabbit | 1984 | L | 4 Cyl 1.6 L DIESEL, 4 Cyl 1.7 L GAS
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Volkswagen Voltage Regulator Part Number: 037-903-803-X
$82.11 MSRP: $115.00
You Save: $32.89 (29%)
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Product Specifications
- Other Name: Regulator
- Replaces: 037-903-803
Fits the following Volkswagen Models:
- Cabriolet | 1991-1993 | Base, Carat, Classic, Etienne Aigner, Wolfsburg Edition | 4 Cyl 1.8 L GAS
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Volkswagen Voltage Regulator Part Number: 078-903-803-A
$100.67 MSRP: $141.00
You Save: $40.33 (29%)
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Product Specifications
- Other Name: Regulator
Fits the following Volkswagen Models:
- EuroVan | 1995, 1993 | Base, CL, Camper, GL, GLS, MV, Transport | 5 Cyl 2.4 L DIESEL, 5 Cyl 2.5 L GAS
- Golf | 1996 | GTI | 4 Cyl 2.0 L GAS
- Jetta | 1995-1996 | Base, Celebration Edition, City, GL, GLS, GLX, Trek, Wolfsburg Edition | 4 Cyl 1.8 L GAS, 4 Cyl 1.9 L DIESEL, 4 Cyl 2.0 L GAS, 6 Cyl 2.8 L GAS
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Volkswagen Voltage Regulator Part Number: 028-903-803-FX
$89.57 MSRP: $125.00
You Save: $35.43 (29%)
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Product Specifications
- Other Name: Regulator
- Replaces: 028-903-803-F
Fits the following Volkswagen Models:
- Cabrio | 1999-2002 | Base, GL, GLS, GLX | 4 Cyl 2.0 L GAS
- EuroVan | 2000-2001 | GLS, MV | 6 Cyl 2.8 L GAS
- Passat | 1995-2001 | 4 Motion, GLS, GLS 4 Motion, GLX, GLX 4 Motion, TDI | 4 Cyl 1.8 L GAS, 4 Cyl 1.9 L DIESEL, 4 Cyl 2.0 L GAS, 6 Cyl 2.8 L GAS
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Volkswagen Voltage Regulator Part Number: 038-903-803-E
$105.01 MSRP: $147.07
You Save: $42.06 (29%)
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Product Specifications
- Other Name: Regulator
- Replaces: 038-903-803-EX
Fits the following Volkswagen Models:
- Beetle | 1998-2007 | 2.5, Base, GL, GLS, GLS TDI, GLX, Sport, TDI, Turbo S | 4 Cyl 1.8 L GAS, 4 Cyl 1.9 L DIESEL, 4 Cyl 2.0 L GAS, 5 Cyl 2.5 L GAS
- Golf | 1999-2001 | GL, GLS, GTI, GTI GLS, GTI GLX, TDI, Wolfsburg Edition | 4 Cyl 1.8 L GAS, 4 Cyl 1.9 L DIESEL, 4 Cyl 2.0 L GAS, 6 Cyl 2.8 L GAS
- Jetta | 1999-2005 | GL, GL TDI, GLI, GLS, GLS TDI, GLX, TDI, Wolfsburg Edition | 4 Cyl 1.8 L GAS, 4 Cyl 1.9 L DIESEL, 4 Cyl 2.0 L GAS, 6 Cyl 2.8 L GAS
- Passat | 2001-2005 | GL, GL TDI, GLS, GLS 4 Motion, GLS TDI, GLX, GLX 4 Motion, W8 | 4 Cyl 1.8 L GAS, 4 Cyl 2.0 L DIESEL, 6 Cyl 2.8 L GAS, 8 Cyl 4.0 L GAS
- Touareg | 2004-2006 | Base, V6 | 6 Cyl 3.2 L GAS
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Volkswagen Voltage Regulator Part Number: 068-903-803-DX
$123.17 MSRP: $172.07
You Save: $48.90 (29%)
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Product Specifications
- Other Name: Regulator
- Replaces: 068-903-803-B, 068-903-803-D
Fits the following Volkswagen Models:
- Jetta | 1985-1992 | Base, Carat, GL, GLI, GLI 16-Valve, Wolfsburg Edition | 4 Cyl 1.6 L DIESEL, 4 Cyl 1.8 L GAS, 4 Cyl 2.0 L GAS
- Quantum | 1986-1988 | Base, GL | 5 Cyl 2.2 L GAS
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Volkswagen Voltage Regulator Part Number: 038-903-803-F
$145.18 MSRP: $203.33
You Save: $58.15 (29%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Regulator
Fits the following Volkswagen Models:
- Passat | 2001-2005 | GL, GLS, GLS 4 Motion | 4 Cyl 1.8 L GAS
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Volkswagen Voltage Regulator Part Number: 048-903-803
$166.59 MSRP: $233.32
You Save: $66.73 (29%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Regulator
- Replaces: 028-903-803-L
Fits the following Volkswagen Models:
- Golf | 1999-2006 | GL, GL TDI, GLS, GLS TDI, GTI, GTI 1.8T, GTI 20th Anniversary, GTI 337, GTI GLS, GTI GLX, GTI VR6, TDI | 4 Cyl 1.8 L GAS, 4 Cyl 1.9 L DIESEL, 4 Cyl 2.0 L GAS, 6 Cyl 2.8 L GAS
- R32 | 2004 | Base | 6 Cyl 3.2 L GAS
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Volkswagen Voltage Regulator Part Number: 03L-903-803-A
$171.15 MSRP: $239.70
You Save: $68.55 (29%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Regulator
Fits the following Volkswagen Models:
- Passat | 2012-2014 | TDI SE, TDI SEL, TDI SEL Premium | 4 Cyl 2.0 L DIESEL
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Volkswagen Voltage Regulator Part Number: 03G-903-803
$199.91 MSRP: $279.99
You Save: $80.08 (29%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Regulator
Fits the following Volkswagen Models:
- Passat | 2006-2008 | 2.0T, 3.6, Komfort, Lux, Turbo, VR6, Value Edition, Wolfsburg Edition | 4 Cyl 2.0 L GAS, 6 Cyl 3.6 L GAS
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Volkswagen Voltage Regulator Part Number: 028-903-803-DX
$221.33 MSRP: $309.99
You Save: $88.66 (29%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Regulator
- Replaced by: 028-903-803-D
Fits the following Volkswagen Models:
- Beetle | 1998-2001 | GL, GLS, Sport, TDI | 4 Cyl 1.9 L DIESEL
- Cabrio | 1995-2002 | Base, GL, GLS, GLX, High Line | 4 Cyl 2.0 L GAS
- Cabriolet | 1993 | Base, Classic | 4 Cyl 1.8 L GAS
- Corrado | 1993-1994 | SLC | 6 Cyl 2.8 L GAS
- EuroVan | 2002-2003, 1999, 1997, 1995, 1993 | Base, CL, Camper, GL, GLS, MV, Transport | 5 Cyl 2.4 L DIESEL, 5 Cyl 2.5 L GAS, 6 Cyl 2.8 L GAS
- Fox | 1993 | Base, GL | 4 Cyl 1.8 L GAS
- Golf | 1993-1999 | Base, CL, Celebration Edition, City, GL, GTI, GTI VR6, Jazz, K2, Limited Edition, Sport, Trek, Wolfsburg Edition | 4 Cyl 1.8 L GAS, 4 Cyl 1.9 L DIESEL, 4 Cyl 2.0 L GAS, 6 Cyl 2.8 L GAS
- Jetta | 1993-1999 | Base, Celebration Edition, City, GL, GLS, GLX, GT, Jazz, K2, Limited Edition, TDI, Trek, Wolfsburg Edition | 4 Cyl 1.8 L GAS, 4 Cyl 1.9 L DIESEL, 4 Cyl 2.0 L GAS, 6 Cyl 2.8 L GAS
- Passat | 1993-2001 | 4 Motion, GL, GLS, GLS 4 Motion, GLX, GLX 4 Motion, TDI | 4 Cyl 1.8 L GAS, 4 Cyl 1.9 L DIESEL, 4 Cyl 2.0 L GAS, 6 Cyl 2.8 L GAS
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Volkswagen Voltage Regulator Part Number: 059-903-803-G
$234.42 MSRP: $328.31
You Save: $93.89 (29%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Regulator
- Replaces: 06E-903-803-B, 06E-903-803-A
Fits the following Volkswagen Models:
- Eos | 2007-2008 | 2.0T, 3.2, Base, Komfort, Lux, Turbo, VR6 | 4 Cyl 2.0 L GAS, 6 Cyl 3.2 L GAS
- Touareg | 2007-2010 | Base, VR6 | 6 Cyl 3.6 L GAS, 8 Cyl 4.2 L GAS
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Volkswagen Voltage Regulator Part Number: 070-903-803-E
$237.99 MSRP: $333.32
You Save: $95.33 (29%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Regulator
- Replaces: 078-903-803-E, 070-903-803-B, 078-903-803-EX
Fits the following Volkswagen Models:
- Beetle | 2013, 1998-2005 | Base, GL, GLS, GLX, Sport, Turbo, Turbo S | 4 Cyl 1.8 L GAS, 4 Cyl 2.0 L GAS
- CC | 2009-2017 | Executive, Lux, Lux Limited, Lux Plus, Luxury, R-Line, R-Line Executive, Sport, Sport Plus, Trend | 4 Cyl 2.0 L GAS
- Eos | 2009-2016 | Executive, Final Edition, Komfort, Lux, Sport | 4 Cyl 2.0 L GAS
- GTI | 2009-2014 | Base, Driver's Edition, Wolfsburg Edition | 4 Cyl 2.0 L GAS
- Jetta | 2009-2010, 1999-2005 | GL, GL TDI, GLI, GLS, GLS TDI, GLX, SEL, TDI, Wolfsburg Edition | 4 Cyl 1.8 L GAS, 4 Cyl 1.9 L DIESEL, 4 Cyl 2.0 L GAS, 6 Cyl 2.8 L GAS
- Passat | 2001-2005 | GL, GLS, GLS 4 Motion, GLX, GLX 4 Motion | 4 Cyl 1.8 L GAS, 6 Cyl 2.8 L GAS
- Tiguan | 2009-2017 | R-Line, S, SE, SEL, Sport, Wolfsburg Edition | 4 Cyl 2.0 L GAS
- Tiguan Limited | 2017-2018 | Base | 4 Cyl 2.0 L GAS
- Touareg | 2004-2007 | Base, V6 | 6 Cyl 3.2 L GAS, 6 Cyl 3.6 L GAS
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Volkswagen Voltage Regulator Part Number: 07Z-903-803
$250.09 MSRP: $341.66
You Save: $91.57 (27%)
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Product Specifications
- Other Name: Regulator
Fits the following Volkswagen Models:
- Touareg | 2006-2008, 2004 | TDI | 10 Cyl 4.9 L DIESEL, 10 Cyl 5.0 L DIESEL
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Volkswagen Voltage Regulator Part Number: 079-903-803
$314.14 MSRP: $429.15
You Save: $115.01 (27%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Regulator
- Replaces: 059-903-803-F
Fits the following Volkswagen Models:
- CC | 2013-2016 | 4 Motion, Executive 4 Motion, Lux, V6 Executive 4Motion, VR6 4Motion Executive | 6 Cyl 3.6 L GAS
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Volkswagen Voltage Regulator Part Number: 03L-903-803-F
$209.43 MSRP: $293.32
You Save: $83.89 (29%)
Product Specifications
- Other Name: Regulator
- Replaces: 06E-903-803-P
Fits the following Volkswagen Models:
- Touareg | 2011-2012 | TDI Executive, TDI Lux, TDI Sport, V6 Executive, V6 Lux, V6 Sport, VR6 | 6 Cyl 3.0 L DIESEL, 6 Cyl 3.6 L GAS

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Volkswagen Voltage Regulator

The Volkswagen Voltage Regulator is applied to maintain stability in every VW charging system and also protect the battery by maintaining the alternator output close to 14 volts. Born in Wolfsburg in 1937, VW set its eyes on a people car, and the Beetle and Type 2 van proved that simple shape, solid build, and clever packaging can win the world's heart. Modern VW creations use that heritage to build on with TSI turbo engines, direct fuel injection, and the flexible MQB platform that allows different models to share parts while saving weight. Drivers are loving digital cockpits, touchscreen MIB infotainment, park assist, and an increasing family of electric ID vehicles, all wrapped in clean design that is both familiar and fresh. These advances require a continuous supply of electricity, and that is where Voltage Regulator comes in. Each unit is constantly sensing system demand and feeding just enough current to the rotor field to smooth out spikes that could dim LEDs or scramble audio units, keeping the brand ready for morning starts and night drives alike. Solid-state construction pulses thousands of times per second, so lamps shine evenly and batteries avoid overcharge, regardless of whether the car is using gasoline or electrons. Compact size, robust electronics, and integration with engine management make the regulator a quiet hero that supports the entire lineup without fuss.

Buying OEM parts is a smart move to keep your long-term repair costs low. These components are built to last because VW uses such strict factory standards. At VWPartsGiant.com, it is easy to find genuine Volkswagen Voltage Regulator at prices that actually beat the competition. You get a real manufacturer's warranty with every single part, so you know your purchase is safe. Plus, forget about return headaches since our policy is easy and worry-free. We ship your order fast, too. If you have questions, our team of parts experts is ready to help. Why wait? Start shopping now!