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Audi B5 Alternator Voltage Regulators

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Voltage Regulator

ES#280125 - 06B903803B - Voltage Regulator - Located on the rear of the alternator - Genuine Volkswagen Audi - Audi Volkswagen

Located on the rear of the alternator For 90 amp alternators from VIN 8D-X-200001, split is in the 1999 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280125
Mfg#:
06B903803B
Ships in 5 Business Days
7% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$420.99

This product was last offered at the strikethrough price on
07-20-2026

$392.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Voltage Regulator

ES#4780130 - 06B903803B - Voltage Regulator - Located on the rear of the alternator - Vemo - Audi Volkswagen

Located on the rear of the alternator For vehicles with Valeo alternator only

Brand:
Vemo - Corporate Logo
ES#:
4780130
Mfg#:
06B903803B
In Stock at Vendor
$191.99

This product was last offered at the strikethrough price on
05-07-2026

$185.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Remanufactured Voltage Regulator

ES#2575153 - 038903803EX - Remanufactured Voltage Regulator - Includes a $10 refundable core charge - Genuine Volkswagen Audi - Audi Volkswagen

Includes a $10 refundable core charge For 120 amp alternators from VIN 8D-X-200001, split is in the 1999 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2575153
Mfg#:
038903803EX
Ships in 7 Business Days
$146.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Voltage Regulator

ES#4849592 - 038903803E - Voltage Regulator - Maintains a constant voltage level by controlling the alternator's output. - Vemo - Audi Volkswagen

Maintains a constant voltage level by controlling the alternator's output. For Bosch style alternators

Brand:
Vemo - Corporate Logo
ES#:
4849592
Mfg#:
038903803E
In Stock at Vendor
$54.06 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Voltage Regulator

ES#2580920 - 038903803EX - Voltage Regulator - Located on the rear of the alternator - Bosch - Audi Volkswagen

Located on the rear of the alternator 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For 120 amp alternators from VIN 8D-X-200001, split is in the 1999 model year

Brand:
Bosch - Corporate Logo
ES#:
2580920
Mfg#:
038903803EX
Special Order: No Guaranteed ETA
$59.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Voltage Regulator

ES#3522339 - 028903803D - Voltage Regulator - Located on the rear of the alternator - Beru - Audi Volkswagen

Located on the rear of the alternator Up to VIN 8D-X-199999, split is in the 1999 model year

Brand:
Beru - Corporate Logo
ES#:
3522339
Mfg#:
028903803D
Back Ordered
$56.00

This product was last offered at the strikethrough price on
05-07-2026

$54.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Voltage Regulator

Located on the rear of the alternator For vehicles with Valeo alternator only

Brand:
SMP - Corporate Logo
ES#:
4142128
Mfg#:
06B903803B
In Stock at Vendor
$397.99

This product was last offered at the strikethrough price on
05-07-2026

$385.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Remanufactured Voltage Regulator

ES#2635438 - 028903803DXKT - Remanufactured Voltage Regulator - Includes a $20 refundable core charge - Genuine Volkswagen Audi - Audi Volkswagen

Includes a $20 refundable core charge Up to VIN 8D-X-199999, split is in the 1999 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2635438
Mfg#:
028903803DXKT
Ships in 7 Business Days
$299.00

This product was last offered at the strikethrough price on
02-26-2026

$298.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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