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#2748283 - 002411ECS02AKT1 - Wheel Spacer & Bolt Kit - 10mm With Black Conical Seat Bolts - Complete kit for two wheels, comes with everything you need to install spacers on your aftermarket wheels - ECS - Audi

Complete kit for two wheels, comes with everything you need to install spacers on your aftermarket wheels affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Fits most aftermarket wheels that use conical seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
2748283
Mfg#:
002411ECS02AKT1
In Stock
ON SALE! SAVE 10%
$161.99

This product was last offered at the strikethrough price on
01-03-2026

$145.79 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2726939 - G055515A2 - Transfer Case Oil - priced each - For proper maintenance of your transfer case - Genuine Volkswagen Audi - Audi Volkswagen

For proper maintenance of your transfer case affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with Sport Diff Only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2726939
Mfg#:
G055515A2
In Stock
$35.83

This product was last offered at the strikethrough price on
06-03-2026

$35.81 USD
Free Shipping
on orders $49 and up
ES#3183558 - 034-145-5000-ALU - Billet Diverter Valve - Polished  - High-performance spring and piston design is both durable and a performer! - 034Motorsport - Audi Volkswagen

High-performance spring and piston design is both durable and a performer! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
2 required

Brand:
034Motorsport - Corporate Logo
ES#:
3183558
Mfg#:
034-145-5000-ALU
In Stock
$128.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4043135 - 025180ECS02 - Billet Performance Rear Sway Bar End Links - Audi B8/Porsche Macan - Replace the flimsy stock plastic and rubber units - ECS - Audi Porsche

Replace the flimsy stock plastic and rubber units affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4043135
Mfg#:
025180ECS02
In Stock
ON SALE! SAVE 25%
$219.99

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

$164.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4056953 - 13210075 -  ST X Performance Coilover System - Fixed Damping - Set your vehicle low and tight for optimal performance. - Suspension Techniques - Audi

Set your vehicle low and tight for optimal performance. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Sedan Models Only - Average lowering of 0.6'' to 1.8'' front and 0.6" to 1.6" rear - Vehicles equipped with Electronic Damping Control (EDC) will lose shock dampening and receive a system error code with coilover systems

Brand:
Suspension Techniques - Corporate Logo
ES#:
4056953
Mfg#:
13210075
In Stock at Vendor
$1089.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4043944 - 3220-11010 - AWE Non-Resonated Downpipes - Audi 3.0T - Suited for owners seeking a "loud" and aggressive sounding system. - AWE - Audi

Suited for owners seeking a "loud" and aggressive sounding system. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AWE - Corporate Logo
ES#:
4043944
Mfg#:
3220-11010
In Stock
$745.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4376581 - MS100209 - APR Upgraded Ignition Coil - Grey - Priced Each - Designed to be a direct plug-and-play upgrade to factory coils, providing greater energy output, ensuring a stronger and more consistent spark! - APR - Audi Volkswagen

Designed to be a direct plug-and-play upgrade to factory coils, providing greater energy output, ensuring a stronger and more consistent spark! Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
APR - Corporate Logo
ES#:
4376581
Mfg#:
MS100209
In Stock
11% off MSRP

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

$40.30

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

$35.82 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3569244 - 330-2KT1 - 18" Style 330 Wheels - Set Of Four - 18"x8" ET42 57.1CB 5x112 - Bronze Finish - Alzor - Audi Volkswagen

18"x8" ET42 57.1CB 5x112 - Bronze Finish affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Alzor - Corporate Logo
ES#:
3569244
Mfg#:
330-2KT1
In Stock
ON SALE! SAVE 25%
$1176.99

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

$882.51 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2748197 - ECS10159KTWB1 - ECS Wheel Spacer & Bolt Kit - 20mm With Black Ball Seat Bolts - Exclusively built for your 57.1mm centerbore VW/Audi &
Includes everything you need to install spacers on two wheels - ECS - Audi Volkswagen

Exclusively built for your 57.1mm centerbore VW/Audi & Includes everything you need to install spacers on two wheels affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Fits OEM wheels or wheels that require ball seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
2748197
Mfg#:
ECS10159KTWB1
In Stock
ON SALE! SAVE 10%
$179.99

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

$161.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3698386 - 06e103547acKT1 - Basic Pressure Control Valve (PCV) Kit - This kit includes new oil separator, supercharger gaskets (qty 6), and vent tube o-rings (qty 2). - Assembled By ECS - Audi

This kit includes new oil separator, supercharger gaskets (qty 6), and vent tube o-rings (qty 2). affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Up to the 2012 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
3698386
Mfg#:
06E103547ACKT1
In Stock
ON SALE! SAVE 14%
$189.99

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

$163.57 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#4680251 - 22158KT - Oil Service Kit 0w-30 - Includes Top Tech 4210 0w-30 504/507 Synthetic Engine Oil and filter. - Assembled By ECS - Audi

Includes Top Tech 4210 0w-30 504/507 Synthetic Engine Oil and filter. 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#:
4680251
Mfg#:
22158KT
In Stock
ON SALE!
$135.99

This product was last offered at the strikethrough price on
12-11-2025

$131.22 USD
Free Shipping
on orders $49 and up
ES#4429979 - 034-402-4030 - Dynamic+ Adjustable Rear Sway Bar End Link Kit  - Replace your flimsy, imprecise OEM sway bar end links with the performance engineered Dynamic+ Adjustable Rear Sway Bar End Link - 034Motorsport - Audi

Replace your flimsy, imprecise OEM sway bar end links with the performance engineered Dynamic+ Adjustable Rear Sway Bar End Link affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4429979
Mfg#:
034-402-4030
In Stock
$171.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4346249 - 7091 - High Performance Aluminum Radiator - Featuring an all-aluminum tank and core plus OE-style quick connects. Lower engine temperatures mean more power and longer life of engine components! - CSF - Audi

Featuring an all-aluminum tank and core plus OE-style quick connects. Lower engine temperatures mean more power and longer life of engine components! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits models with DSG (S-Tronic) transmission only

Brand:
CSF - Corporate Logo
ES#:
4346249
Mfg#:
7091
In Stock
$699.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4830270 - IEELCK2 - IE TrueFlex Sensor Kit For Audi B9 S4, S5, SQ5 - Plug-&-play kit for iE B9/B9.5 3.0T TrueFlex Tunes - Integrated Engineering - Audi

Plug-&-play kit for iE B9/B9.5 3.0T TrueFlex Tunes affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
4830270
Mfg#:
IEELCK2
In Stock
$461.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4030593 - ms100192KT2 - APR Upgraded Ignition Coils - Red - Set Of Six - Designed to be a direct plug-and-play upgrade to factory coils, providing greater energy output, ensuring a stronger and more consistent spark! - APR - Audi

Designed to be a direct plug-and-play upgrade to factory coils, providing greater energy output, ensuring a stronger and more consistent spark! Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
CARB certified for sale in all 50 states

Brand:
APR - Corporate Logo
ES#:
4030593
Mfg#:
MS100192KT2
EO#:
D-783-5
In Stock
$307.99 USD
Free Shipping
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 ECS Tuning is part of Enthusiast Auto Holdings