United States
078903803D Voltage Regulator
Special order item. Delivery time may vary.
About This Part
Discontinued by the manufacturer
This part number has been discontinued and can no longer be ordered. Contact us and we will look for an alternative.
Order Processing & Delivery
This part is not stocked in our warehouse and will be ordered directly from the manufacturer upon purchase. Handling time for VAG is typically 3–8 business days before dispatch.
Handling time for VAG (VW / Audi / Seat / Cupra): 3–8 business days from order confirmation to dispatch (Monday–Friday). Shipping transit for your country is added on top — see handling times by brand and shipping options.
* Delivery times are estimates and may vary based on manufacturer availability and your location.
Verify Vehicle Fitment
To ensure this part is compatible with your vehicle, please contact us with your VIN (Vehicle Identification Number). Our technical team can verify the exact fitment before you place your order.
Contact us with your VINParts diagram & fitment
8 vehiclesVoltage Regulator — locate Voltage Regulator in the official exploded view and explore the surrounding assembly.
Parts in this assembly46
- 1Alternator 028903029RX
- 1Alternator 06B903018EX
- 1Alternator 06B903019X
- 1Alternator 06B903019BX
- 1Alternator 06J903023CX
- 1Alternator 078903016RX
- 1Alternator 078903018X
- 1Alternator 06C903016X
- 1Alternator 06C903018X
- 1Alternator 028903029QX
- 1Alternator 038903018DX
- 1Alternator 038903018FX
- 1Alternator 059903015GX
- 1Alternator 06B903016PX
- 1Alternator 06B903016QX
- 1Alternator 06B903019AX
- 1Alternator 06B903019EX
- 1Alternator 06B903019GX
- 1Alternator 078903016SX
- 1Alternator 078903018AX
- 1AAlternator 078903016AC
- 1AAlternator 06B903016AB
- 2Part 022903119D
- 2Part 06B903119A
- 2Part 06B903119D
- 2Pulley 078903119J
- 2Pulley 038903119K
- 2Pulley 038903119P
- 2Pulley 077903119D
- 2Pulley 078903119H
- 3Part 038903193G
- 3Part 06B903193
- 3Part 06B903193A
- 3Part 06B903193B
- 3Part 078903193E
- 3Protective Cap 06F903193A
- 3Protective Cap 078903193D
- 4Part 06B903803B
- 4Regulator 028903803E
- 4Regulator 038903803F
- 4Regulator 070903803E
- 4Regulator 038903803EX
- 5Collar Nut 030903181
- 5Repair Kit 028903320C
- 6Part 037145291A
- 6Prot Cap 037145291
Vehicle fitment table8
Europe (6)
| Vehicle | Years | Pos. | Qty | PR |
|---|---|---|---|---|
| Audi A4/S4 Cabrio./qu. | 2002-2006 | 4 | ||
| PASSAT/4MOTION/W8 | 2002-2005 | 4 | 1 | 8GD,8GL,8GM,8GR,8GU |
| Audi A4/S4/Av./qu. | 2001-2004 | 4 | ||
| Audi A6/Wagon/quattro | 2001-2004 | 4 | ||
| Passat/4Motion/W8 | 2000-2002 | 4 | 1 | 8GD,8GL,8GM,8GR |
| Passat syncro/4Motion | 1998-2000 | 4 | 1 |
Other markets (1)
| Vehicle | Years | Pos. | Qty | PR |
|---|---|---|---|---|
| AUDI A4/AV./QU. "CN"03>05 | 2003-2005 | 4 |
Platform / generic diagrams (1)
| Vehicle | Years | Pos. | Qty | PR |
|---|---|---|---|---|
| 3B0 platform | 4 | 1 |
Diagrams & fitment data powered by oemdiagrams.com
Voltage Regulator is fitted on: Audi A4/S4 Cabrio./qu. 2002-2006; PASSAT/4MOTION/W8 2002-2005; Audi A4/S4/Av./qu. 2001-2004; Audi A6/Wagon/quattro 2001-2004; Passat/4Motion/W8 2000-2002; Passat syncro/4Motion 1998-2000; AUDI A4/AV./QU. "CN"03>05 2003-2005; 3B0 platform.