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

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
garage-red
Your Vehicle Please tap 'Select' to pick a vehicle
Your Vehicle Please tap 'Select' to pick a vehicle
Select

Audi S4 Suspension Parts & Accessories

Sort By
Filter By
Return to Top

DS Series Coilover Suspension Kit - B9 Audi A4/S4

ES#5375567 - S-27-DS - DS Series Coilover Suspension Kit - B9 Audi A4/S4 - BC Racing took the best features from their BR Series Coilover, engineered components to improve driver experience, and are proud to present the BC Racing DS series with digressive piston damping that dramatically improves suspension feel and feedback. - BC Racing - Audi

BC Racing took the best features from their BR Series Coilover, engineered components to improve driver experience, and are proud to present the BC Racing DS series with digressive piston damping that dramatically improves suspension feel and feedback. For vehicles with production date up to 7/11/2016 with 53mm front strut body without factory Electronic Damping Control.

Brand:
BC Racing - Corporate Logo
ES#:
5375567
Mfg#:
S-27-DS
Back Ordered
$1395.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

DS Series Coilover Suspension Kit - B9 Audi A4/S4

ES#5375516 - S-35-DS - DS Series Coilover Suspension Kit - B9 Audi A4/S4 - BC Racing took the best features from their BR Series Coilover, engineered components to improve driver experience, and are proud to present the BC Racing DS series with digressive piston damping that dramatically improves suspension feel and feedback. - BC Racing - Audi

BC Racing took the best features from their BR Series Coilover, engineered components to improve driver experience, and are proud to present the BC Racing DS series with digressive piston damping that dramatically improves suspension feel and feedback. For vehicles with production date up to 7/11/2016 with 53mm front strut body with factory Electronic Damping Control.

Brand:
BC Racing - Corporate Logo
ES#:
5375516
Mfg#:
S-35-DS
Back Ordered
$1395.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ER Series Coilover Suspension Kit - B9 Audi A4/S4

ES#5375566 - S-27-ER - ER Series Coilover Suspension Kit - B9 Audi A4/S4 - Get the high quality, unique features of the BC Racing "BR" and "RM" series with the added benefit of an external reservoir for superior performance! - BC Racing - Audi

Get the high quality, unique features of the BC Racing "BR" and "RM" series with the added benefit of an external reservoir for superior performance! For vehicles with production date up to 7/11/2016 with 53mm front strut body without factory Electronic Damping Control.

Brand:
BC Racing - Corporate Logo
ES#:
5375566
Mfg#:
S-27-ER
Back Ordered
$2255.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

DS Series Coilover Suspension Kit - B9 Audi A4/S4

ES#5375564 - S-28-DS - DS Series Coilover Suspension Kit - B9 Audi A4/S4 - BC Racing took the best features from their BR Series Coilover, engineered components to improve driver experience, and are proud to present the BC Racing DS series with digressive piston damping that dramatically improves suspension feel and feedback. - BC Racing - Audi

BC Racing took the best features from their BR Series Coilover, engineered components to improve driver experience, and are proud to present the BC Racing DS series with digressive piston damping that dramatically improves suspension feel and feedback. 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#:
5375564
Mfg#:
S-28-DS
Back Ordered
$1395.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

B6 Performance Rear Shock Absorber - Priced Each

ES#260007 - 24-020657 - B6 Performance Rear Shock Absorber - Priced Each - Unbelievable control, precise handling, ultimate performance and incredible comfort. Fits left or right side. - Bilstein - Audi

Unbelievable control, precise handling, ultimate performance and incredible comfort. Fits left or right side. 10X Entries Into Our F80 M3 Sweepstakes
For cars with 12mm mounts (Sports Suspension)

Brand:
Bilstein - Corporate Logo
ES#:
260007
Mfg#:
24-020657
Back Ordered
$175.00 USD
Free Shipping

B1 OE Replacement Rear Upper Shock Mount - Pair

ES#5491419 - 8K0513353EXKT2 - B1 OE Replacement Rear Upper Shock Mount - Pair - Fits the left and right side - Bilstein - Audi

Fits the left and right side 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bilstein - Corporate Logo
ES#:
5491419
Mfg#:
8K0513353EXKT2
Back Ordered
$50.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Bilstein B12 Pro-Kit Suspension System

ES#2983798 - 46-183316 - Bilstein B12 Pro-Kit Suspension System - Expertly matched performance Eibach Pro-line lowering springs and Bilstein shock/strut package for a dramatic increase in performance handling. World-famous Bilstein quality with a limited lifetime warranty! - Bilstein - Audi

Expertly matched performance Eibach Pro-line lowering springs and Bilstein shock/strut package for a dramatic increase in performance handling. World-famous Bilstein quality with a limited lifetime warranty! 10X Entries Into Our F80 M3 Sweepstakes
2X Entries For Our Spin To Win Sweepstakes!
For avant models only.

Brand:
Bilstein - Corporate Logo
ES#:
2983798
Mfg#:
46-183316
Back Ordered
$939.00 USD
Free Shipping

Front Lower Ball Joint - Priced Each

ES#2876560 - 8K0407689GS1 - Front Lower Ball Joint - Priced Each - Fits left and right side - Febi - Audi

Fits left and right side We Price Match - Give Us A Call or Chat!
Fits up to production date 8/15/2011

Brand:
Febi - Corporate Logo
ES#:
2876560
Mfg#:
8K0407689GS1
Special Order: No Guaranteed ETA
$42.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Sway Bar End Link - Priced Each

ES#2876523 - 8E0505465AFS1 - Rear Sway Bar End Link - Priced Each - Fits left and right side - Febi - Audi

Fits left and right side We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2876523
Mfg#:
8E0505465AFS1
Special Order: No Guaranteed ETA
$24.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Subframe Bushing - Rear Position - Priced Each

ES#2871563 - 4G0505145C - Rear Subframe Bushing - Rear Position - Priced Each - Fits the left and right side - Febi - Audi

Fits the left and right side We Price Match - Give Us A Call or Chat!
From production date 8/31/2010

Brand:
Febi - Corporate Logo
ES#:
2871563
Mfg#:
4G0505145C
Special Order: No Guaranteed ETA
$53.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sway Bar Kit - Complete

ES#2532327 - 8E0511409AJKT - Sway Bar Kit - Complete - Includes the front and rear sway bar with required bushings - Genuine Volkswagen Audi - Audi

Includes the front and rear sway bar with required bushings

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2532327
Mfg#:
8E0511409AJKT
Back Ordered
$702.99

This product was last offered at the strikethrough price on
08-31-2026

$678.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Sway Bar & Installation Kit

ES#3691558 - 8e0411309bKT3 - Front Sway Bar & Installation Kit - Includes the standard sway bar with installation hardware - Genuine Volkswagen Audi - Audi

Includes the standard sway bar with installation hardware

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3691558
Mfg#:
8E0411309BKT3
Back Ordered
$478.99

This product was last offered at the strikethrough price on
08-31-2026

$466.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Sway Bar Kit

ES#2712697 - 8E0511409AJKT1 - Rear Sway Bar Kit - Includes the standard sway bar with installation hardware - Genuine Volkswagen Audi - Audi

Includes the standard sway bar with installation hardware

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2712697
Mfg#:
8E0511409AJKT1
Back Ordered
$489.99

This product was last offered at the strikethrough price on
08-31-2026

$475.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Shocks & Struts Set - Standard

ES#3691681 - 8e0413031dhKT - Shocks & Struts Set - Standard - Restore factory ride comfort - Genuine Volkswagen Audi - Audi

Restore factory ride comfort

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3691681
Mfg#:
8E0413031DHKT
Back Ordered
$1073.99

This product was last offered at the strikethrough price on
08-31-2026

$1034.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Sway Bar & Installation Kit

ES#3677481 - 8e0411309bKT2 - Front Sway Bar & Installation Kit - Restore stability to your suspension - Genuine Volkswagen Audi - Audi

Restore stability to your suspension

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3677481
Mfg#:
8E0411309BKT2
Back Ordered
$461.99

This product was last offered at the strikethrough price on
08-31-2026

$446.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Suspension Parts & Accessories

A good suspension holds you up, while keeping your tires safely planted on the road surface for good traction, braking, and handling. Even if you don't know jounce from rebound, we can help you choose suspension parts, accessories, and upgrades to match your car, driving style, and budget.

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