Shop Our Clearance Sale - Up To 80% Off FREE SHIPPING on Orders $49+ *exclusions apply
affirm financing terms & conditions

Menu

Call Us330-331-2003 ChatLive Chat Text Us!
0 Shopping Cart
Your Vehicle

No Vehicle selected
Please select your vehicle below.

    • Audi
    • BMW
    • Mercedes Benz
    • MINI
    • Porsche
    • Volkswagen

Saved Vehicles

My Vehicles
You currently have no stored vehicles.

Recent Vehicles

Recent Vehicles Manage Vehicles

You currently have no recent vehicles.

We'll automatically keep fully selected vehicles here for your convenience.

Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
0
Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
Cancel
0
Sales & Specials
Enter Your Vehicle
affirm financing terms & conditions
garage-red
Your Vehicle Please tap 'Select' to pick a vehicle
Your Vehicle Please tap 'Select' to pick a vehicle
Select

Audi S4 Most Popular Parts

Sort By
Filter By
Return to Top

Rear Upper Shock Mount - Priced Each

ES#2859360 - 8K0513353E - Rear Upper Shock Mount - Priced Each - Fits the left and right side - Meyle - Audi Porsche
ECS Tuning recommends this product.

Fits the left and right side affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
2859360
Mfg#:
8K0513353E
In Stock
ON SALE! SAVE 36%
$38.99

This product was last offered at the strikethrough price on
05-14-2026

$24.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Washer - Priced Each

ES#316059 - 1K0505193 - Washer - Priced Each - Washer used in various areas on your European vehicle - Genuine Volkswagen Audi - Audi Volkswagen

Washer used in various areas on your European vehicle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Washer that sits between rear shock bolt & securing nut.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
316059
Mfg#:
1K0505193
In Stock
$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Injector Kit

ES#4706067 - 06m906036apKT - Fuel Injector Kit - Includes both upper, lower clip, injector seals, and a set of injectors. - Genuine Volkswagen Audi - Audi

Includes both upper, lower clip, injector seals, and a set of injectors. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date from 06/15/2020

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4706067
Mfg#:
06M906036APKT
Ships in 1-2 days
$1347.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BR Series Coilover Suspension Kit - Extreme Low

ES#3675616 - S-02E-BR-A - BR Series Coilover Suspension Kit - Extreme Low - Featuring 30 levels of adjustment and performance spring rates and valving - BC Racing - Audi

Featuring 30 levels of adjustment and performance spring rates and valving affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Please allow 4-6 weeks for build time
For avant models only

Brand:
BC Racing - Corporate Logo
ES#:
3675616
Mfg#:
S-02E-BR-A
Ships on Aug 17, 2026
$1345.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

BR Series Coilover Suspension Kit - Extreme Low

ES#3675615 - S-02E-BR - BR Series Coilover Suspension Kit - Extreme Low - Featuring 30 levels of adjustment and performance spring rates and valving - BC Racing - Audi

Featuring 30 levels of adjustment and performance spring rates and valving affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Please allow 4-6 weeks for build time
For sedan models only

Brand:
BC Racing - Corporate Logo
ES#:
3675615
Mfg#:
S-02E-BR
Ships on Aug 17, 2026
$1345.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

BR Series Coilover Suspension Kit - Extreme Low

ES#4424824 - S-28E-BR - BR Series Coilover Suspension Kit - Extreme Low - Featuring 30 levels of adjustment and performance spring rates and valving - BC Racing - Audi

Featuring 30 levels of adjustment and performance spring rates and valving affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date from 7/12/2016 with 48.5mm front strut body without factory Electronic Damping Control.

Brand:
BC Racing - Corporate Logo
ES#:
4424824
Mfg#:
S-28E-BR
Back Ordered
$1345.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Manual Transmission Fluid - 1 Liter

ES#465417 - G052911A2 - Manual Transmission Fluid - 1 Liter - Check your owners manual for service intervals (GL-5 Spec) - Genuine Volkswagen Audi - Audi Volkswagen

Check your owners manual for service intervals (GL-5 Spec) affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
465417
Mfg#:
G052911A2
In Stock
$35.38 USD
Free Shipping
on orders $49 and up

Density Line Adjustable Upper Control Arm Kit

ES#3183553 - 034-401-1000-KT - Density Line Adjustable Upper Control Arm Kit - Includes 034Motorsport Density Line adjustable upper control arms & necessary installation hardware - Assembled By ECS - Audi

Includes 034Motorsport Density Line adjustable upper control arms & necessary installation hardware 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#:
3183553
Mfg#:
034-401-1000-KT
In Stock
$671.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Turbosmart Gen-V Race Port BOV - Black

ES#4007248 - TS-0204-1132 - Turbosmart Gen-V Race Port BOV - Black - The Race Port is famous for being an amazingly small and light BOV for turbocharged competition level engines - TurboSmart - Audi Volkswagen

The Race Port is famous for being an amazingly small and light BOV for turbocharged competition level engines affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
*General use blow off valve for custom big turbo applications - Not a direct fit valve*

Brand:
TurboSmart - Corporate Logo
ES#:
4007248
Mfg#:
TS-0204-1132
In Stock at Vendor
$335.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cap

ES#4057820 - 06M103485D - Oil Cap - Clean your engine bay up with a new oil cap - Genuine Volkswagen Audi - Audi

Clean your engine bay up with a new oil cap affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
From production date 03/02/2020

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4057820
Mfg#:
06M103485D
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.

$28.99

This product was last offered at the strikethrough price on
06-24-2026

$27.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Kit W/ Tensioner

ES#3690231 - 06e903133aektKT - Accessory Belt Kit W/ Tensioner - Keep your accessories running properly with a new tensioner and drive belt - Assembled By ECS - Audi

Keep your accessories running properly with a new tensioner and drive belt affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
From the 2013 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
3690231
Mfg#:
06E903133AEKTKT
Back Ordered
Auto Notify
ON SALE!
$145.99

This product was last offered at the strikethrough price on
03-17-2026

$134.26 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Cross Drilled & Slotted 2-Piece Brake Rotors - Pair (380x38)

ES#2825795 - 003755ecs01a1KT - Front Cross Drilled & Slotted 2-Piece Brake Rotors - Pair (380x38) - Replacement rotors for Stage 4 Big Brake Kit (ES2825794 & ES3221498) - ECS - Audi

Replacement rotors for Stage 4 Big Brake Kit (ES2825794 & ES3221498) affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
*Replacement rotor set for customers that have our Stage 3/4 380mm kits with Porsche 19Z calipers*

Brand:
ECS - Corporate Logo
ES#:
2825795
Mfg#:
003755ECS01A1KT
In Stock
ON SALE!
$1383.99

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

$1342.47 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

18" ESM-002M Wheels - Staggered Set Of Four

ES#4447273 - ESM002RPL18X95KT - 18" ESM-002M Wheels - Staggered Set Of Four - 18x8/ET32 18x9.5/ET38 5x100/5x112 57.1CB - Platinum Chrome/Gold Rivets - ESM Wheels - Audi Volkswagen

18x8/ET32 18x9.5/ET38 5x100/5x112 57.1CB - Platinum Chrome/Gold Rivets affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
ESM Wheels - Corporate Logo
ES#:
4447273
Mfg#:
ESM002RPL18X95KT
Ships on Jul 13, 2026
Auto Notify
$1342.00 USD
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacer & Bolt Kit - 8mm With Black Ball Seat Bolts

ES#2748280 - 6-ECS-018 - Wheel Spacer & Bolt Kit - 8mm With Black Ball Seat Bolts - Add some flair to your Audi with our new wheel spacers - ECS - Audi

Add some flair to your Audi with our new wheel spacers affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Fits most aftermarket wheels that use ball seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
2748280
Mfg#:
6-ECS-018
In Stock
ON SALE! SAVE 10%
$148.99

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

$134.09 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Suspension Installation Kit

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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For models with standard & sport suspension (PR-Codes 1BA, 1BE)

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3691715
Mfg#:
8W0412377KT
Ships in 1-2 days
$320.99

This product was last offered at the strikethrough price on
03-31-2026

$267.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

DR Series Wheel Spacers - Black - 3mm (1 Pair)

ES#4039781 - 0655665SW - DR Series Wheel Spacers - Black - 3mm (1 Pair) - Add those new wheels to your vehicle with these new wheel spacers - H&R - Audi Mercedes Benz MINI Porsche

Add those new wheels to your vehicle with these new wheel spacers 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!

Brand:
H&R - Corporate Logo
ES#:
4039781
Mfg#:
0655665SW
In Stock
$102.99 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 ECS Tuning is part of Enthusiast Auto Holdings