United States
037903803 Voltage Regulator
- 049903803HNot stocked
Jul 1993 - 037903803This pageNot stocked
May 2007 - 037903803XCurrent · not stocked
Special order item. Delivery time may vary.
About This Part
Superseded part number
This part number has been replaced. Order the current replacement shown above — the old number can no longer be supplied.
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 VINShipping details
- Shipping weight
- 98 g
- Shipping size (L × W × H)
- 9.9 × 9.5 × 3.2 cm
- Customs (HS) code
- 85118000
Parts diagram & fitment
25 vehiclesVoltage Regulator — locate Voltage Regulator in the official exploded view and explore the surrounding assembly.
Parts in this assembly23
- 1Alternator 026903015EX
- 3Fan Wheel 036903171C
- 4Repair Kit 068903320
- 5Pole Rotor 026903213
- 6Bearing 021903221E
- 8Condenser 056903291
- 9Repair Kit 026903320
- 10Winding 036903351G
- 11Plate 036903359J
- 12Cover 036903521A
- 13Sign 026903537
- 14Plate 055903543
- 16Regulator 037903803X
- 17Screw N0107042
- 18Part N01100830
- 19Washer N0122213
- 20Washer N0122224
- 21Spring N0127101
- 22Screw N0141181
- 23Screw N0141565
- 24Collar Nut N10017303
- 25Screw N0142122
- 26Part N90403002
Vehicle fitment table25
Europe (17)
| Vehicle | Years | Pos. | Qty |
|---|---|---|---|
| Audi 90 qu. | 1992-1994 | 16 | 1 |
| Passat | 1991-1993 | 53 | 1 |
| Audi 100/Wagon | 1989-1990 | 53 | 1 |
| AUDI COUPE/3 | 1988-1994 | 16 | 1 |
| GOLF,JETTA (MEX) | 1987-1992 | 20 | |
| Audi 5000 S/Wagon qu. | 1987-1988 | 53 | 1 |
| Jetta 86 | 1985-1986 | 53 | 1 |
| Audi 4000 S | 1984-1987 | 53 | 1 |
| Audi 5000 S/Wagon | 1984-1986 | 53 | 1 |
| Jetta 85 | 1984-1985 | 36 | |
| Scirocco | 1983-1989 | 18 | 1 |
| CADDY | 1982-1992 | 18 | |
| POLO/COUPE/DERBY | 1981-1990 | 18 | |
| Audi Coupe | 1981-1987 | 53 | 1 |
| Jetta | 1981-1984 | 36 | |
| Audi 4000 | 1981-1984 | 36 | |
| Scirocco | 1981-1983 | 36 |
Other markets (8)
| Vehicle | Years | Pos. | Qty |
|---|---|---|---|
| Eurovan F>>70-T 96 | 1995-1995 | 16 | 1 |
| Eurovan 95 | 1994-1995 | 16 | 1 |
| Golf/Jetta "USA","MEX"89>92 | 1988-1992 | 26 | |
| Quantum syncro | 1985-1988 | 53 | 1 |
| Quantum 85 | 1984-1985 | 32 | |
| Rabbit Conv./Cabrio | 1983-1993 | 18 | |
| Quantum | 1981-1984 | 32 | |
| Rabbit Conv. | 1981-1983 | 36 |
Diagrams & fitment data powered by oemdiagrams.com
Voltage Regulator is fitted on: Audi 90 qu. 1992-1994; Passat 1991-1993; Audi 100/Wagon 1989-1990; AUDI COUPE/3 1988-1994; GOLF,JETTA (MEX) 1987-1992; Audi 5000 S/Wagon qu. 1987-1988; Jetta 86 1985-1986; Audi 4000 S 1984-1987; Audi 5000 S/Wagon 1984-1986; Jetta 85 1984-1985; Scirocco 1983-1989; CADDY 1982-1992; POLO/COUPE/DERBY 1981-1990; Audi Coupe 1981-1987; Jetta 1981-1984; Audi 4000 1981-1984; Scirocco 1981-1983; Eurovan F>>70-T 96 1995-1995; Eurovan 95 1994-1995; Golf/Jetta "USA","MEX"89>92 1988-1992; Quantum syncro 1985-1988; Quantum 85 1984-1985; Rabbit Conv./Cabrio 1983-1993; Quantum 1981-1984; Rabbit Conv. 1981-1983.