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Volkswagen Passat 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 vehicles with Valeo alternator only

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
08-31-2026

$390.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Voltage Regulator

ES#2120863 - 070903803E - Voltage Regulator - Located on the rear of the alternator - Genuine Volkswagen Audi - Audi Volkswagen

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

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2120863
Mfg#:
070903803E
Ships in 10 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.

$333.99

This product was last offered at the strikethrough price on
08-31-2026

$309.99 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
Ships in 1 Business Day
$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 vehicles with 120 amp Bosch style alternator only.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2575153
Mfg#:
038903803EX
Ships in 7 Business Days
$146.99

This product was last offered at the strikethrough price on
08-31-2026

$145.99 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 vehicles with 120 amp Bosch style alternator only.

Brand:
Vemo - Corporate Logo
ES#:
4849592
Mfg#:
038903803E
Ships in 1 Business Day
$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 We Price Match - Give Us A Call or Chat!
For vehicles with 120 amp Bosch style alternator only.

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#3706346 - 070903803E - Voltage Regulator - Huco - Audi Volkswagen

Brand:
Huco - Corporate Logo
ES#:
3706346
Mfg#:
070903803E
Back Ordered
$55.99 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
Ships in 1 Business Day
$397.99

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

$380.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Voltage Regulator

ES#2894974 - 078903803D - Voltage Regulator - Part of the alternator assembly - Vemo - Audi Volkswagen

Part of the alternator assembly

Brand:
Vemo - Corporate Logo
ES#:
2894974
Mfg#:
078903803D
Special Order: No Guaranteed ETA
$90.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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