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Audi S4 Most Popular Parts

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BFI Wheel Spacers - 25mm (Pair)

ES#3575938 - SP90BGB - BFI Wheel Spacers - 25mm (Pair) - Exclusively built for your 57.1mm centerbore VW/Audi. Black Anodized - Black Forest Industries - Audi Volkswagen

Exclusively built for your 57.1mm centerbore VW/Audi. Black Anodized affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Black Forest Industries - Corporate Logo
ES#:
3575938
Mfg#:
SP90BGB
In Stock
$94.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

fuel pump ring clip - priced each

ES#390218 - 4F0201921A - fuel pump ring clip - priced each - Sits between the fuel pump assembly and seal ring - Genuine Volkswagen Audi - Audi

Sits between the fuel pump assembly and seal ring affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
390218
Mfg#:
4F0201921A
In Stock
4% off MSRP

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

$25.99

This product was last offered at the strikethrough price on
06-27-2026

$24.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Liqui Moly MolyGen - Premium Oil Service Kit - With ECS Magnetic Drain Plug

ES#3439024 - molygenKT3 - Liqui Moly MolyGen - Premium Oil Service Kit - With ECS Magnetic Drain Plug - Includes Hengst oil filter and Liqui Moly 5w-40 oil with MolyGen technology - Assembled By ECS - Audi Volkswagen

Includes Hengst oil filter and Liqui Moly 5w-40 oil with MolyGen technology affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3439024
Mfg#:
MOLYGENKT3
In Stock
ON SALE! SAVE 20%
$196.99

This product was last offered at the strikethrough price on
05-15-2026

$158.25 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

O-Ring (22x3.55)

ES#471311 - N90959701 - O-Ring (22x3.55) - Located between the valley pan and the oil filter adapter - Genuine Volkswagen Audi - Audi

Located between the valley pan and the oil filter adapter affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
471311
Mfg#:
N90959701
In Stock
14% off MSRP

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

$6.99

This product was last offered at the strikethrough price on
06-27-2026

$6.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Clock Spring

ES#441113 - 8E0953541E - Clock Spring - Located behind the steering wheel on the steering column - Genuine Volkswagen Audi - Audi Volkswagen

Located behind the steering wheel on the steering column affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Up to VIN 8E-4-400000, split is in the 2004 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
441113
Mfg#:
8E0953541E
Ships in 1-2 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.

$998.99

This product was last offered at the strikethrough price on
06-27-2026

$947.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

S-Tronic Paddle Shifters - Midnight Black Finish

ES#4615847 - VWR494101 - S-Tronic Paddle Shifters - Midnight Black Finish - Upgrade your B9 Audi's plastic paddles with gorgeous, full-replacement billet S-Tronic blade shifters! - Racingline - Audi

Upgrade your B9 Audi's plastic paddles with gorgeous, full-replacement billet S-Tronic blade shifters! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits S-tronic transmission models with factory paddle shifters

Brand:
Racingline - Corporate Logo
ES#:
4615847
Mfg#:
VWR494101
Ships in 1 Business Day
$236.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Carbon Fiber Side Blade Set

ES#3195012 - 019189ecs01KT - Carbon Fiber Side Blade Set - Add a touch of style made with real carbon fiber to your Audi - ECS - Audi

Add a touch of style made with real carbon fiber to your Audi affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3195012
Mfg#:
019189ECS01KT
Ships on Nov 27, 2026
ON SALE! SAVE 10%
$1050.99

This product was last offered at the strikethrough price on
06-13-2026

$945.89 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Upper Strut Bracket - Priced Each

ES#4686162 - 8D0412383E - Front Upper Strut Bracket - Priced Each - Fits the left and right side - Vaico - Audi Volkswagen

Fits the left and right side affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
4686162
Mfg#:
8D0412383E
In Stock at Vendor
$120.99

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

$117.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Automatic Transmission Service Kit

ES#2500835 - 09L321371G060162 - Automatic Transmission Service Kit - Includes a new filter and pan gasket for your six-speed automatic - Genuine Volkswagen Audi - Audi

Includes a new filter and pan gasket for your six-speed automatic affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2500835
Mfg#:
09L321371G060162
Ships in 4 Business Days
$941.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Secondary Air Pump

ES#285177 - 079906601E - Secondary Air Pump - A common cause of emissions issues - Genuine Volkswagen Audi - Audi

A common cause of emissions issues affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
285177
Mfg#:
079906601E
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.

$992.99

This product was last offered at the strikethrough price on
06-27-2026

$941.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

DTM European Bumper Cover - Rear

ES#2539192 - 8E5807303JGRU - DTM European Bumper Cover - Rear - Add some DTM style on your B7 - Genuine European Volkswagen Audi - Audi

Add some DTM style on your B7 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
*Custom install procedure - Please see long description*
Designed for Sedans with a dual exhaust tip on each side of the bumper

Brand:
Genuine European Volkswagen Audi - Corporate Logo
ES#:
2539192
Mfg#:
8E5807303JGRU
Special Order: No Guaranteed ETA
$940.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Boser Style Carbon Fiber Hood

Add style and remove weight from the front end of your Audi! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Deval - Corporate Logo
ES#:
3142779
Mfg#:
AA402-CFHB
Special Order: No Guaranteed ETA
$940.00 USD
This product is lifetime replacement eligible Lifetime Replacement

Rear Differential Service Kit - With Service Tools

ES#4361552 - N90281802KTKT4 - Rear Differential Service Kit - With Service Tools - Complete kit with Redline 75w90 fluid with ECS stainless steel magnetic plugs and seals to service your rear differential. - Assembled By ECS - Audi Volkswagen

Complete kit with Redline 75w90 fluid with ECS stainless steel magnetic plugs and seals to service your rear differential. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with Torque Vectoring differentials

Brand:
Assembled By ECS - Corporate Logo
ES#:
4361552
Mfg#:
N90281802KTKT4
Ships on Jul 15, 2026
Auto Notify
ON SALE! SAVE 17%
$161.99

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

$134.22 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Coolant Expansion Tank

ES#436248 - 8E0121403F - Coolant Expansion Tank - Coolant level sensor enclosed in tank - Genuine Volkswagen Audi - Audi

Coolant level sensor enclosed in tank affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
436248
Mfg#:
8E0121403F
In Stock
ON SALE!
$112.99

This product was last offered at the strikethrough price on
06-15-2026

$104.38 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacer & Bolt Kit - 8mm With Ball Seat Bolts

ES#2177183 - 6-ECS-018 - Wheel Spacer & Bolt Kit - 8mm With Ball Seat Bolts - Add some flair to your Audi with our new wheel spacers - ECS - Audi

Add some flair to your Audi with our new wheel spacers affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Fits most aftermarket wheels that use ball seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
2177183
Mfg#:
6-ECS-018
In Stock
ON SALE! SAVE 10%
$148.99

This product was last offered at the strikethrough price on
06-13-2026

$134.09 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet Aluminum Rear Differential Mount Upgrade

ES#2966690 - 034-505-2019 - Billet Aluminum Rear Differential Mount Upgrade - Installation is very simple, can be performed in minutes, and is completely reversible. - 034Motorsport - Audi

Installation is very simple, can be performed in minutes, and is completely reversible. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
2966690
Mfg#:
034-505-2019
Ships in 2 Business Days
$117.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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