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Audi S4 Most Popular Parts

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ES#1905472 - 8K0133843 - Air Filter - Keep clean air running through your engine - Hengst - Audi
ECS Tuning recommends this product.

Keep clean air running through your engine affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat! Hengst is our preferred OEM filtration supplier!

Brand:
Hengst - Corporate Logo
ES#:
1905472
Mfg#:
8K0133843
In Stock
$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2619582 - 10210097 - V1 Series Coilover Kit - With EDC Deactivation Kit - Variant 1 coilovers offer the best balance between sporty driving and comfort - For models with Electronic Dampening Control - KW Suspension - Audi

Variant 1 coilovers offer the best balance between sporty driving and comfort - For models with Electronic Dampening Control affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits sedan models with factory EDC. Range of lowering is 0.8-1.5" in the front and 0.4-1.5" in the rear.

Brand:
KW Suspension - Corporate Logo
ES#:
2619582
Mfg#:
10210097
Ships in 4 Business Days
$2494.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2619578 - 10210099 - V1 Series Coilover Kit - With EDC Deactivation Kit - Variant 1 coilovers offer the best balance between sporty driving and comfort - KW Suspension - Audi

Variant 1 coilovers offer the best balance between sporty driving and comfort affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits avant models with factory EDC. Range of lowering is 0.8-1.5" in the front and 0.4-1.5" in the rear.

Brand:
KW Suspension - Corporate Logo
ES#:
2619578
Mfg#:
10210099
Ships in 4 Business Days
$2494.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Street Comfort coilovers offer sport handling with adjustable ride height affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles without electronic damping.

Brand:
KW Suspension - Corporate Logo
ES#:
2951371
Mfg#:
18010075KT
Ships in 4 Business Days
$2494.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4390623 - 24-274876 - B8 Performance Plus Front Strut - Priced Each - Compliments factory sport package or lowering springs with a remarkably comfortable sport ride. World-famous Bilstein quality with a limited lifetime warranty! - Bilstein - Audi

Compliments factory sport package or lowering springs with a remarkably comfortable sport ride. World-famous Bilstein quality with a limited lifetime warranty! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bilstein - Corporate Logo
ES#:
4390623
Mfg#:
24-274876
In Stock
33% off MSRP

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

$370.00

This product was last offered at the strikethrough price on
06-18-2026

$249.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2019 - 29250-1 - Street Performance Coilover Kit - Unrivaled comfort and performance. Average lowering of 1.2"-2.1"F 1.0"-2.0"R - H&R - Audi

Unrivaled comfort and performance. Average lowering of 1.2"-2.1"F 1.0"-2.0"R affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Fits Sedan And Avant Models

Brand:
H&R - Corporate Logo
ES#:
2019
Mfg#:
29250-1
Ships in 4 Business Days
$1440.99

This product was last offered at the strikethrough price on
02-03-2026

$1244.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3031020 - WHT007963 - Upper Control Arm Bolt - Priced Each - Secures the upper control arms to the spindle. M10x110x24 - Genuine Volkswagen Audi - Audi

Secures the upper control arms to the spindle. M10x110x24 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
From production date 6/7/2011

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3031020
Mfg#:
WHT007963
In Stock
$12.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Provides a cost-effective solution for the B6-B7 S4, addressing issues with the mechanical adjuster. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
JH Motorsports  - Corporate Logo
ES#:
4045961
Mfg#:
B6TCKIP
Ships in 10 Business Days
$2484.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2192933 - 8K1998002A -  Front Aero Wiper Blade Set - Clear up streaks & improve rainy day visibility - Genuine Volkswagen Audi - Audi

Clear up streaks & improve rainy day visibility affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2192933
Mfg#:
8K1998002A
In Stock
15% off MSRP

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

$76.68

This product was last offered at the strikethrough price on
06-18-2026

$65.33 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

19x9.5 ET38 5X112 66.6CB - Gloss Black affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
F1R Wheels - Corporate Logo
ES#:
4858372
Mfg#:
FS319955112GB3KT
Ships in 7 Business Days
$1240.00 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#3106507 - k70286fssdxdbKT - Stage 3 Drag Clutch Kit - Designed for dedicated for drag cars. Conservatively rated at 550ft/lbs. - South Bend Clutch - Audi

Designed for dedicated for drag cars. Conservatively rated at 550ft/lbs. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Includes flywheel

Brand:
South Bend Clutch - Corporate Logo
ES#:
3106507
Mfg#:
K70286FSSDXDBKT
Ships in 2 Business Days
$1237.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4821250 - 049327LA01KT - Heavy Duty Rubber Rear Shock Mount & Installation Kit - Enhance longevity and improve your Audi's handling with our in-house designed HD rubber shock mount! - ECS - Audi Volkswagen

Enhance longevity and improve your Audi's handling with our in-house designed HD rubber shock mount! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4821250
Mfg#:
049327LA01KT
In Stock
ON SALE! SAVE 25%
$137.99

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

$103.16 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3476425 - 021460TMS02-06 - 7.5mm Wheel Spacers - Black (Pair) - Lightweight wheel spacers with a machined tab for easy removal - Turner Motorsport - Audi BMW Mercedes Benz MINI Porsche

Lightweight wheel spacers with a machined tab for easy removal affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
3476425
Mfg#:
021460TMS02-06
In Stock
ON SALE! SAVE 25%
$131.99

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

$98.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3493177 - 003251ECS02KT - Engine Street Shield Skid Plate Hardware Kit - Replacement hardware kit for your ECS Engine Street Shield - ECS - Audi

Replacement hardware kit for your ECS Engine Street Shield affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Fits from the 2013 model year

Brand:
ECS - Corporate Logo
ES#:
3493177
Mfg#:
003251ECS02KT
In Stock
ON SALE! SAVE 20%
$140.53

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

$112.42 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4809832 - FX1198512BZ42KT - 19" Rohana RFX11 Wheels - Set Of Four - 19x8.5 ET42 5x112 66.6CB - Brushed Bronze - Rohana Wheels - Audi BMW Mercedes Benz MINI

19x8.5 ET42 5x112 66.6CB - Brushed Bronze affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Rohana Wheels - Corporate Logo
ES#:
4809832
Mfg#:
FX1198512BZ42KT
Ships on Jul 10, 2026
$2472.00 USD
This product is lifetime replacement eligible Lifetime Replacement

19x8.5 ET35 5x112 66.6CB - Brushed Bronze affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Rohana Wheels - Corporate Logo
ES#:
4809738
Mfg#:
FX1198512BZ35KT
Ships on Jul 10, 2026
$2472.00 USD

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