Call Us330-331-2003 ChatLive Chat Text Us!
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle Please tap 'Select' to pick a vehicle

Audi S4 Alternator Parts

Sort By
Filter By
Return to Top
ES#275298 - 038903119K - Alternator Pulley - Does not include securing hardware - Genuine Volkswagen Audi - Audi Volkswagen

Does not include securing hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Bosch style alternators

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
275298
Mfg#:
038903119K
In Stock
ON SALE!
$107.99

This product was last offered at the strikethrough price on
05-02-2026

$106.96 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#281265 - 06F903193A -  Alternator Protective Cap - Protects the voltage regulator - Genuine Volkswagen Audi - Audi Volkswagen

Protects the voltage regulator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Bosch style alternator

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
281265
Mfg#:
06F903193A
Ships in 4 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.

$86.99

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

$80.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2580920 - 038903803EX - Voltage Regulator - Located on the rear of the alternator - Bosch - Audi Volkswagen

Located on the rear of the alternator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
For Bosch style alternators

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
ES#2480 - 30097 - OE Voltage Regulator - Brush set that screws in the back of the alternator - Bosch - Audi

Brush set that screws in the back of the alternator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
2480
Mfg#:
30097
Special Order: No Guaranteed ETA
$52.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2855340 - 028903320CKT - Alternator Pulley Hardware Kit - A new washer and nut to install your pulley - Assembled By ECS - Audi Volkswagen

A new washer and nut to install your pulley affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For use with Bosch style alternators

Brand:
Assembled By ECS - Corporate Logo
ES#:
2855340
Mfg#:
028903320CKT
Ships in 1-2 days
ON SALE! SAVE 25%
$13.99

This product was last offered at the strikethrough price on
05-02-2026

$10.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#285140 - 079903237 - Spacer ring - Alternator spacer ring, 5.2mm - Genuine Volkswagen Audi - Audi

Alternator spacer ring, 5.2mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
285140
Mfg#:
079903237
In Stock
ON SALE! SAVE 21%
$50.99

This product was last offered at the strikethrough price on
05-02-2026

$40.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#272865 - 030903181 - Alternator Pulley Hardware Kit - A new washer and nut to install your pulley - Genuine Volkswagen Audi - Audi Volkswagen

A new washer and nut to install your pulley affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
272865
Mfg#:
030903181
Ships in 1-2 days
9% off MSRP

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

$43.99

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

$39.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#470361 - N90635404 - BOLT - Genuine Volkswagen Audi - Audi

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

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
470361
Mfg#:
N90635404
Ships in 2 Business Days
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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
ES#4305079 - 038903018FKT - Alternator - 120 Amp - Price includes a $250.00 refundable core charge. - Genuine Volkswagen Audi - Audi Volkswagen

Price includes a $250.00 refundable core charge. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For cars that came with Bosch alternators. Please check existing alternator part number before ordering

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4305079
Mfg#:
038903018FKT
Ships in 8 Business Days
$742.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#283048 - 077903803C - Voltage Regulator - Located on the rear of the alternator - Genuine Volkswagen Audi - Audi

Located on the rear of the alternator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
From VIN 8E-5-065001, split is in the 2005 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
283048
Mfg#:
077903803C
Ships in 8 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.

$429.99

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

$399.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Keep your charging system operating at full potential, includes hardware! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4818208
Mfg#:
06E903024LKT
Ships in 7 Business Days
$1423.99

This product was last offered at the strikethrough price on
02-27-2026

$1420.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Keep your charging system operating at full potential affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3179087
Mfg#:
06E903024L
Ships in 7 Business Days
5% off MSRP

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

$1492.99

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

$1416.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Keep your charging system operating at full potential affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with Valeo style alternators from the 2013 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3179081
Mfg#:
06E903019E
Ships in 7 Business Days
5% off MSRP

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

$1478.99

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

$1403.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Includes a $250 refundable core charge affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For cars that came with Bosch alternators. Please check existing alternator part number before ordering

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2580828
Mfg#:
038903018FXKT
Ships in 8 Business Days
$1001.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4696757
Mfg#:
06E903019J
Ships in 8 Business Days
5% off MSRP

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

$1492.99

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

$1416.99 USD
Free Shipping
on orders $49 and up

More About Alternator Parts

Keep everything charged with an OEM alternator or save some money with aftermarket alternators and remanufactured alternators from brands you trust.

Let us help you find the parts that fit your Audi

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

Terms of Use Privacy Policy ECS Tuning is part of Enthusiast Auto Holdings