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Audi S4 Most Popular Parts

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Front Brake Rotors - Pair (345x30)

ES#2075183 - 8K0698301MKT3 - Front Brake Rotors - Pair (345x30) - Featuring Zimmermann's "Coat Z" coating for corrosion resistance - Zimmermann - Audi
ECS Tuning recommends this product.

Featuring Zimmermann's "Coat Z" coating for corrosion resistance We Price Match - Give Us A Call or Chat!

Brand:
Zimmermann - Corporate Logo
ES#:
2075183
Mfg#:
8K0698301MKT3
Ships in 4 Business Days
$269.99

This product was last offered at the strikethrough price on
08-04-2026

$232.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

B8 S4 / S5 3.0T Performance Aluminum Radiator

ES#4566542 - 012620LA02 - B8 S4 / S5 3.0T Performance Aluminum Radiator - Direct-fit upgrade! Featuring a 33% increase in core thickness and durable, all-aluminum construction. - ECS - Audi

Direct-fit upgrade! Featuring a 33% increase in core thickness and durable, all-aluminum construction. 10X Entries Into Our F80 M3 Sweepstakes
10X Entries For Our Spin To Win Sweepstakes!
For Vehicles Equipped with a Manual Transmission

Brand:
ECS - Corporate Logo
ES#:
4566542
Mfg#:
012620LA02
In Stock
ON SALE! SAVE 39%
$407.99

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

$250.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

R8 Caps & Black Washer Fluid Reservoir Cap Set

ES#4707624 - 009635ECS06KT - R8 Caps & Black Washer Fluid Reservoir Cap Set - Dress up your engine bay with a black washer reservoir cap and Audi R8 oil and expansion tank caps - Bremmen Parts - Audi Volkswagen

Dress up your engine bay with a black washer reservoir cap and Audi R8 oil and expansion tank caps 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4707624
Mfg#:
009635ECS06KT
In Stock
ON SALE! SAVE 17%
$89.99

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

$74.38 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Audi B8 Billet Aluminum Front Strut Tower / Chassis Brace

ES#4137422 - 028501ecs01KT - Audi B8 Billet Aluminum Front Strut Tower / Chassis Brace - Provides additional support to the strut towers for flex reduction to enhance your driving experience - ECS - Audi

Provides additional support to the strut towers for flex reduction to enhance your driving experience 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4137422
Mfg#:
028501ECS01KT
In Stock
ON SALE! SAVE 10%
$171.99

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

$154.79 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Kimblade Front CarbonFit Silicone Windshield Wiper Set

ES#4789450 - kb-ecs-ka00157KT - Kimblade Front CarbonFit Silicone Windshield Wiper Set - Next generation wiper technology, featuring CNT-reinforced silicone inserts for maximum performance and longevity. By Kimblade, for ECS. - KIMBLADE for ECS - Audi BMW Porsche

Next generation wiper technology, featuring CNT-reinforced silicone inserts for maximum performance and longevity. By Kimblade, for ECS.

Brand:
KIMBLADE for ECS - Corporate Logo
ES#:
4789450
Mfg#:
KB-ECS-KA00157KT
In Stock
ON SALE! SAVE 10%
$75.99

This product was last offered at the strikethrough price on
10-16-2026

$68.38 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Upper Control Arm Kit

ES#4369876 - 8K0407509AKT3 - Front Upper Control Arm Kit - Includes all front URO upper control arms & hardware - URO - Audi

Includes all front URO upper control arms & hardware 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4369876
Mfg#:
8K0407509AKT3
In Stock
$253.99

This product was last offered at the strikethrough price on
09-29-2026

$247.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Polymer Air Intake System

ES#4858221 - IEINCG5 - Polymer Air Intake System - Up to +25HP gains with tuning - Integrated Engineering - Audi

Up to +25HP gains with tuning

Brand:
Integrated Engineering - Corporate Logo
ES#:
4858221
Mfg#:
IEINCG5
Ships in 1 Business Day
$469.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Stainless Steel Braided Line Kit

ES#4635698 - 034-303-0015 - Stainless Steel Braided Line Kit - Features telfon linings, stainless steel braided reinforcement, and a protective black PVC covering. - 034Motorsport - Audi

Features telfon linings, stainless steel braided reinforcement, and a protective black PVC covering. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4635698
Mfg#:
034-303-0015
In Stock
$195.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Stage 3 Clutch Kit

ES#4007082 - SA863S - Stage 3 Clutch Kit - Features a 6-puck, sprung-hub carbon semi-metallic disc with a torque rating of 620 ft/lbs - Spec Clutches - Audi

Features a 6-puck, sprung-hub carbon semi-metallic disc with a torque rating of 620 ft/lbs To be used with a Spec single mass flywheel

Brand:
Spec Clutches - Corporate Logo
ES#:
4007082
Mfg#:
SA863S
Ships in 4 Business Days
$719.99 USD
Free Shipping
on orders $49 and up

Silicone Breather Hose Kit

ES#2893863 - 034-101-3071 - Silicone Breather Hose Kit - Designed to replace the problematic factory "spider" breather hose assembly - 034Motorsport - Audi

Designed to replace the problematic factory "spider" breather hose assembly 2X Entries Into Our F80 M3 Sweepstakes
This kit will not fit vehicles equipped with factory SAI.

Brand:
034Motorsport - Corporate Logo
ES#:
2893863
Mfg#:
034-101-3071
In Stock
$334.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

RacingLine Higher Output Ignition Coils - Blue - Set Of Six

ES#4708312 - VWR900000-6KT - RacingLine Higher Output Ignition Coils - Blue - Set Of Six - Delivers greater energy output, ensuring a stronger and more consistent spark. A simple plug-and-play upgrade over the OE factory coils. - Racingline - Audi

Delivers greater energy output, ensuring a stronger and more consistent spark. A simple plug-and-play upgrade over the OE factory coils.

Brand:
Racingline - Corporate Logo
ES#:
4708312
Mfg#:
VWR900000-6KT
Ships in 8 Business Days
$330.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Titanium Ball Seat Wheel Bolt - 14x1.5x27mm - Set Of 20

ES#3570214 - 025384ecs02-0120 - Titanium Ball Seat Wheel Bolt - 14x1.5x27mm - Set Of 20 - Lightweight, corrosion resistant, high performance lug bolts - ECS - Audi Volkswagen

Lightweight, corrosion resistant, high performance lug bolts 10X Entries Into Our F80 M3 Sweepstakes
Stock length bolts for use without spacers.

Brand:
ECS - Corporate Logo
ES#:
3570214
Mfg#:
025384ECS02-0120
In Stock
ON SALE!
$277.99

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

$264.09 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Heavy Duty Rubber Rear Shock Mount - Priced Each

ES#4681138 - 049313LA01 - Heavy Duty Rubber Rear Shock Mount - Priced Each - Enhance longevity and improve your Audi or Porsche's handling with our in-house designed HD rubber shock mount! - ECS - Audi Porsche

Enhance longevity and improve your Audi or Porsche's handling with our in-house designed HD rubber shock mount! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4681138
Mfg#:
049313LA01
In Stock
ON SALE! SAVE 15%
$52.99

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

$45.04 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ignition Coil - Priced Each

ES#4340775 - 06H905110P - Ignition Coil - Priced Each - Keep your engine running smooth - Genuine Volkswagen Audi - Audi Volkswagen

Keep your engine running smooth

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4340775
Mfg#:
06H905110P
In Stock
5% off MSRP

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

$104.98

This product was last offered at the strikethrough price on
10-22-2026

$99.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Wheel Spacer & Bolt Kit - 15mm And 10mm With Ball Seat Bolts

ES#5481529 - ECS10157KTWBKT - ECS Wheel Spacer & Bolt Kit - 15mm And 10mm With Ball Seat Bolts - Includes everything you need to install spacers on four wheels - ECS - Audi Volkswagen

Includes everything you need to install spacers on four wheels 10X Entries Into Our F80 M3 Sweepstakes
Fits OEM wheels or wheels that require ball seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
5481529
Mfg#:
ECS10157KTWBKT
In Stock
ON SALE!
$459.01 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Audi 3.0T Performance Supercharger Pulley - 57.6mm - Press Fit

ES#3551738 - 025509ECS01 - Audi 3.0T Performance Supercharger Pulley - 57.6mm - Press Fit - Easily increase the supercharger rotational speed to create more boost - ECS - Audi Volkswagen Porsche

Easily increase the supercharger rotational speed to create more boost 10X Entries Into Our F80 M3 Sweepstakes
Appropriate stage 2 software is required for use

Brand:
ECS - Corporate Logo
ES#:
3551738
Mfg#:
025509ECS01
In Stock
ON SALE! SAVE 25%
$179.99

This product was last offered at the strikethrough price on
10-15-2026

$134.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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