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Volkswagen MK4 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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
06-05-2026

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

Voltage regulator

ES#276374 - 048903803 - Voltage regulator - Located on the rear of the alternator - Genuine Volkswagen Audi - Volkswagen

Located on the rear of the alternator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with Bosch alternator only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
276374
Mfg#:
048903803
Special Order: No Guaranteed ETA
8% off MSRP

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

$233.32

This product was last offered at the strikethrough price on
06-06-2026

$215.12 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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

Voltage Regulator

Keep your electrical system working in perfect order affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For 70A and 90A Bosch style alternators only

Brand:
Hitachi - Corporate Logo
ES#:
4044660
Mfg#:
06F903803B
Ships in 6 Business Days
$87.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Voltage Regulator

ES#2678273 - 028903803E - Voltage Regulator - Located on the rear of the alternator - Vemo - Audi Volkswagen

Located on the rear of the alternator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For 120A Bosch style alternators only

Brand:
Vemo - Corporate Logo
ES#:
2678273
Mfg#:
028903803E
In Stock
$32.99

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

$23.21 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For 120A Bosch style alternators only

Brand:
Hitachi - Corporate Logo
ES#:
5396958
Mfg#:
028903803E
Ships in 6 Business Days
$40.99 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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

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