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Audi S4 Most Popular Parts

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Front 2-Piece Scalloped Brake Rotors - Pair (350x34)

ES#3559513 - 023940ECS01KT - Front 2-Piece Scalloped Brake Rotors - Pair (350x34) - Direct bolt-on upgrade to Tru-Float scalloped style rotors. Over 15% less weight! - ECS - Audi

Direct bolt-on upgrade to Tru-Float scalloped style rotors. Over 15% less weight! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3559513
Mfg#:
023940ECS01KT
In Stock
ON SALE! SAVE 30%
$1121.99

This product was last offered at the strikethrough price on
08-09-2026

$785.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Wheel Spacers - 15mm (Pair)

ES#250709 - 002403ECS03A15KT - ECS Wheel Spacers - 15mm (Pair) - Exclusively built for your 57.1mm centerbore VW/Audi - ECS - Audi Volkswagen

Exclusively built for your 57.1mm centerbore VW/Audi 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
250709
Mfg#:
002403ECS03A15KT
In Stock
ON SALE! SAVE 20%
$131.99

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

$105.59 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Caliper Guide Bushing Set

ES#2931544 - 003326ecs01-02KT - Performance Caliper Guide Bushing Set - Reduced caliper deflection, enhanced pedal feel, and improved pad wear. An excellent way to improve braking performance. Priced per axle. - ECS - Audi Volkswagen

Reduced caliper deflection, enhanced pedal feel, and improved pad wear. An excellent way to improve braking performance. Priced per axle. 10X Entries Into Our F80 M3 Sweepstakes
Industry leading design for maximum performance with minimal maintenance!

Brand:
ECS - Corporate Logo
ES#:
2931544
Mfg#:
003326ECS01-02KT
In Stock
ON SALE! SAVE 25%
$169.99

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

$127.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Bosch Ignition Service Kit

ES#4475329 - 06M905606F7KT - Bosch Ignition Service Kit - Includes six Bosch coil packs and OEM spark plugs to service your ignition system - Assembled By ECS - Audi

Includes six Bosch coil packs and OEM spark plugs to service your ignition system 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
4475329
Mfg#:
06M905606F7KT
In Stock
$391.25 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B7 A4 S-Line / S4 Trunk Spoiler - Gloss Black

ES#4039668 - 001215LA01 - Audi B7 A4 S-Line / S4 Trunk Spoiler - Gloss Black - Add some aggressive styling to your Audi! - ECS - Audi

Add some aggressive styling to your Audi! 10X Entries Into Our F80 M3 Sweepstakes

Fits Sedan models only

Brand:
ECS - Corporate Logo
ES#:
4039668
Mfg#:
001215LA01
In Stock
ON SALE! SAVE 23%
$222.99

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

$170.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi 3.0T Carbon Fiber Engine Cover Kit - Red

ES#3623934 - 015339ecs02aKT - Audi 3.0T Carbon Fiber Engine Cover Kit - Red - Add a touch of red carbon/kevlar to your stock engine cover! - ECS - Audi

Add a touch of red carbon/kevlar to your stock engine cover! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3623934
Mfg#:
015339ECS02AKT
In Stock
ON SALE!
$410.99

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

$390.44 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Single Mass Steel Flywheel - (21lb)

ES#3195802 - SBC0504 - Single Mass Steel Flywheel - (21lb) - Upgrade your flywheel to handle higher horsepower/torque - South Bend Clutch - Audi

Upgrade your flywheel to handle higher horsepower/torque

Brand:
South Bend Clutch - Corporate Logo
ES#:
3195802
Mfg#:
SBC0504
In Stock
$910.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Fuel-It! FLEX FUEL KIT For AUDI S4

ES#4499539 - FIFFKB8S4 - Fuel-It! FLEX FUEL KIT For AUDI S4 - If you're running E85 or ethanol mixes in your Audi, you need this kit! - Fuel-It! - Audi

If you're running E85 or ethanol mixes in your Audi, you need this kit!

Brand:
Fuel-It! - Corporate Logo
ES#:
4499539
Mfg#:
FIFFKB8S4
Ships in 2 Business Days
$454.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Complete High Durability Front Control Arm Kit

ES#3005 - 8D0498998S1 - Complete High Durability Front Control Arm Kit - Includes all front control arms, HD tie rod ends, HD sway bar end links & hardware - Meyle HD - Audi Volkswagen

Includes all front control arms, HD tie rod ends, HD sway bar end links & hardware 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
From VIN 8D-Y-080001, split is in 2000 model year

Brand:
Meyle HD - Corporate Logo
ES#:
3005
Mfg#:
8D0498998S1
In Stock
$714.99

This product was last offered at the strikethrough price on
05-08-2026

$543.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Wheel Spacer & Bolt Kit - 5mm With Black Ball Seat Bolts

ES#2748183 - ECS10154KTWB1 - ECS Wheel Spacer & Bolt Kit - 5mm With Black Ball Seat Bolts - Includes everything you need to install spacers on two wheels - ECS - Audi Volkswagen

Includes everything you need to install spacers on two wheels 10X Entries Into Our F80 M3 Sweepstakes
Please measure your hub protrusion to ensure it will still make contact with the center of the wheel. See

Brand:
ECS - Corporate Logo
ES#:
2748183
Mfg#:
ECS10154KTWB1
In Stock
ON SALE! SAVE 25%
$126.99

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

$95.24 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

18" BBS RS-GT Wheels - Set Of Four

ES#4753138 - RS910EDSPKKT - 18" BBS RS-GT Wheels - Set Of Four - 18x8 ET35 5x112 57.1CB - Diamond Silver Center with Diamond Cut Lip - BBS - Audi Volkswagen

18x8 ET35 5x112 57.1CB - Diamond Silver Center with Diamond Cut Lip

Brand:
BBS - Corporate Logo
ES#:
4753138
Mfg#:
RS910EDSPKKT
Ships on Nov 11, 2026
$5413.99 USD
This product is lifetime replacement eligible Lifetime Replacement

IE 4 BAR MAP Sensors

ES#4920867 - IEELVZ1 - IE 4 BAR MAP Sensors - A direct drop-in replacement when combined with the proper software. - Integrated Engineering - Audi

A direct drop-in replacement when combined with the proper software.

Brand:
Integrated Engineering - Corporate Logo
ES#:
4920867
Mfg#:
IEELVZ1
In Stock
$234.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

APR Front Mount Intercooler System - B9 S4/S5 3.0T

ES#3613172 - IC100023 - APR Front Mount Intercooler System - B9 S4/S5 3.0T - Massive front mounted upgrade that dramatically reduces intake air temperature (IAT), minimizes heat soak, and provides increased performance! - APR - Audi

Massive front mounted upgrade that dramatically reduces intake air temperature (IAT), minimizes heat soak, and provides increased performance! Call In Or Chat For Best Price!

Brand:
APR - Corporate Logo
ES#:
3613172
Mfg#:
IC100023
Ships in 3 Business Days
ON SALE! SAVE 10%
$1499.99

This product was last offered at the strikethrough price on
09-28-2026

$1349.96 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ball Seat Stud Conversion Kit

ES#2804052 - 001467ECS01KT1 - Ball Seat Stud Conversion Kit - Make wheel changes faster and easier - ECS - Audi Volkswagen

Make wheel changes faster and easier 10X Entries Into Our F80 M3 Sweepstakes
For use with ball seat wheels and up to 20mm spacers only

Brand:
ECS - Corporate Logo
ES#:
2804052
Mfg#:
001467ECS01KT1
In Stock
ON SALE! SAVE 11%
$201.99

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

$179.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Waste Gate Frequency Control N75 Valve

ES#4818507 - 078906283B - Waste Gate Frequency Control N75 Valve - Controls the boost pressure on the turbocharger system - Bremmen Parts - Audi

Controls the boost pressure on the turbocharger system 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818507
Mfg#:
078906283B
In Stock
ON SALE! SAVE 15%
$91.99

This product was last offered at the strikethrough price on
07-06-2026

$78.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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