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 Most Popular Parts

Sort By
Filter By
Return to Top
ES#4351842 - ieppcgj2 - Integrated Engineering 3.0T "Dual Pulley" Power Kit - Turn your Audi B8 S4 or S5 into an all-out street monster with IE's complete Dual Pulley kit! Includes ECU software plus "Dual Pulley" setup - Integrated Engineering - Audi

Turn your Audi B8 S4 or S5 into an all-out street monster with IE's complete Dual Pulley kit! Includes ECU software plus "Dual Pulley" setup
Fits vehicles with manual transmissions only

Brand:
Integrated Engineering - Corporate Logo
ES#:
4351842
Mfg#:
IEPPCGJ2
In Stock
$1799.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3675318 - whl00009KT - 20" A01 Flow Formed Wheels - Set Of Four - 20"x9.0" ET42 5x112 - Gunmetal - APR - Audi Volkswagen MINI Porsche

20"x9.0" ET42 5x112 - Gunmetal Call In Or Chat For Best Price!

Brand:
APR - Corporate Logo
ES#:
3675318
Mfg#:
WHL00009KT
Ships in 6 Business Days
$1799.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4629235 - whl00036KT - 20" A02 Wheels - Satin Black - Set Of Four - 20x9" ET37 5X112 - Satin Black - APR - Audi BMW Volkswagen MINI

20x9" ET37 5X112 - Satin Black Call In Or Chat For Best Price!

Wheel spacers may be necessary to clear brake calipers

Brand:
APR - Corporate Logo
ES#:
4629235
Mfg#:
WHL00036KT
Back Ordered
$1799.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#2839063 - mrcdkaa509 - Euro Street Series Coilovers - Adjustable Dampening - Featuring adjustable damping. Average lowering of 0.5"-2.0"F, 0.5"-2.0"R. - Megan Racing - Audi

Featuring adjustable damping. Average lowering of 0.5"-2.0"F, 0.5"-2.0"R. Vehicles equipped with Electronic Damping Control (EDC) will lose shock dampening and receive a system error code with coilover systems

Brand:
Megan Racing - Corporate Logo
ES#:
2839063
Mfg#:
MRCDKAA509
Ships in 4 Business Days
14% off MSRP

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

$1049.00

This product was last offered at the strikethrough price on
11-02-2026

$899.99 USD
Free Shipping
ES#3639298 - 81353 - Adjustable Front Upper Control Arm Kit - Corrects camber to eliminate inner tire wear - SPC - Audi Volkswagen

Corrects camber to eliminate inner tire wear

Brand:
SPC - Corporate Logo
ES#:
3639298
Mfg#:
81353
Ships in 4 Business Days
$899.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4846419 - VWR900003 - RacingLine Higher Output Ignition Coil - Red - Priced Each - Delivers greater energy output, ensuring a stronger and more consistent spark. A simple plug-and-play upgrade over the OE factory coils. - Racingline - Audi Volkswagen

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#:
4846419
Mfg#:
VWR900003
In Stock
$39.99 USD
Free Shipping
on orders $49 and up
ES#2586456 - SA443H - Clutch Kit - Stage 2+ - Features a full faced, multi-friction disc with a torque rating of 540 ft/lbs - Spec Clutches - Audi

Features a full faced, multi-friction disc with a torque rating of 540 ft/lbs

Brand:
Spec Clutches - Corporate Logo
ES#:
2586456
Mfg#:
SA443H
Ships in 4 Business Days
$899.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4931823 - vs5188543571sbKT - 18" Apex VS-5 Wheels - Set Of Four - 18x8.5 ET43 5x112 57.1CB - Satin Bronze - APEX Wheels - Audi Volkswagen

18x8.5 ET43 5x112 57.1CB - Satin Bronze 2X Entries Into Our F80 M3 Sweepstakes

Brand:
APEX Wheels - Corporate Logo
ES#:
4931823
Mfg#:
VS5188543571SBKT
Ships in 6 Business Days
$1796.00 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#4931822 - vs5188543571rsKT - 18" Apex VS-5 Wheels - Set Of Four - 18x8.5 ET43 5x112 57.1CB - Race Silver - APEX Wheels - Audi Volkswagen

18x8.5 ET43 5x112 57.1CB - Race Silver 2X Entries Into Our F80 M3 Sweepstakes

Brand:
APEX Wheels - Corporate Logo
ES#:
4931822
Mfg#:
VS5188543571RSKT
Ships in 6 Business Days
$1796.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4931824 - vs5188543571smKT - 18" Apex VS-5 Wheels - Set Of Four - 18x8.5 ET43 5x112 57.1CB - Satin Black - APEX Wheels - Audi Volkswagen

18x8.5 ET43 5x112 57.1CB - Satin Black 2X Entries Into Our F80 M3 Sweepstakes

Brand:
APEX Wheels - Corporate Logo
ES#:
4931824
Mfg#:
VS5188543571SMKT
Back Ordered
$1796.00 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#4413648 - 4K0071200Y9B - Roof Box - 250Ltr - Brilliant Black - Use with your base bars for protected storage - Genuine Volkswagen Audi - Audi

Use with your base bars for protected storage

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4413648
Mfg#:
4K0071200Y9B
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.

$940.99

This product was last offered at the strikethrough price on
10-26-2026

$896.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#257249 - N90308607 - Allen Bolt - Priced Each - Install new hardware with your new parts. M8x14 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M8x14 Secures the power steering pulley to the pump - 3 required

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
257249
Mfg#:
N90308607
In Stock
3% off MSRP

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

$3.68

This product was last offered at the strikethrough price on
06-23-2026

$3.57 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3691715 - 8w0412377KT - Front Suspension Installation Kit - Includes front strut mounts and associated hardware for a complete front suspension installation - Genuine Volkswagen Audi - Audi

Includes front strut mounts and associated hardware for a complete front suspension installation For models with standard & sport suspension (PR-Codes 1BA, 1BE)

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3691715
Mfg#:
8W0412377KT
Ships in 2 Business Days
$269.99

This product was last offered at the strikethrough price on
09-04-2026

$255.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4501123 - 8W0407271M - Front Drive Axle - Right or Left  - Complete replacement axle shaft assembly - Genuine Volkswagen Audi - Audi

Complete replacement axle shaft assembly For vehicles with production date up to 06/27/2022

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4501123
Mfg#:
8W0407271M
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.

$1880.00

This product was last offered at the strikethrough price on
10-26-2026

$1790.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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 Your Privacy Choices Cookie Policy ECS Tuning is part of Enthusiast Auto Holdings