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Audi S4 Suspension Parts & Accessories

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Density Line Control Arm Kit Upper Adjustable - Camber Correcting

ES#4630175 - 034-401-1071 - Density Line Control Arm Kit Upper Adjustable - Camber Correcting - Add positive camber after lowering to reach factory alignment specifications and reduce tire wear. - 034Motorsport - Audi

Add positive camber after lowering to reach factory alignment specifications and reduce tire wear. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4630175
Mfg#:
034-401-1071
In Stock
$1226.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Density Line Adjustable Upper Control Arm Kit (Camber Correcting)

ES#2864576 - 034-401-1000 - Density Line Adjustable Upper Control Arm Kit (Camber Correcting) - Adds positive camber to eliminate inner tire wear and reach factory alignment specs - 034Motorsport - Audi Volkswagen

Adds positive camber to eliminate inner tire wear and reach factory alignment specs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
2864576
Mfg#:
034-401-1000
In Stock
$604.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

B8 Sport Rear Shock Kit

ES#4430379 - 24-145992KT - B8 Sport Rear Shock Kit - Fits the left and right side - Bilstein - Audi

Fits the left and right side affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Vehicles equipped with Electronic Damping Control (EDC) will lose shock dampening and receive a system error code

Brand:
Bilstein - Corporate Logo
ES#:
4430379
Mfg#:
24-145992KT
In Stock
$310.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet X-Brace - Black - Audi B8

ES#4220370 - 004802la01aKT3 - Billet X-Brace - Black - Audi B8 - Improve steering feel and handling! - ECS - Audi

Improve steering feel and handling! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Fits Pre-Facelift models up to the 2012 model year

Brand:
ECS - Corporate Logo
ES#:
4220370
Mfg#:
004802LA01AKT3
Ships on Oct 29, 2026
Auto Notify
ON SALE! SAVE 25%
$473.99

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

$355.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

BR Series Coilover Suspension Kit

ES#3521686 - S-02-BR - BR Series Coilover Suspension Kit - 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 sedan models only

Brand:
BC Racing - Corporate Logo
ES#:
3521686
Mfg#:
S-02-BR
In Stock
$1195.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Complete Front Control Arm Kit

ES#2795511 - 4D0407505HKT - Complete Front Control Arm Kit - Includes all front control arms and hardware - plus tie rod ends and sway bar end links! - Vaico - Audi Volkswagen

Includes all front control arms and hardware - plus tie rod ends and sway bar end links! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2795511
Mfg#:
4D0407505HKT
In Stock at Vendor
$690.99

This product was last offered at the strikethrough price on
05-07-2026

$671.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Heavy Duty Rubber Rear Shock Mount - Priced Each

ES#4681138 - 049313LA01 - Heavy Duty Rubber Rear Shock Mount - Priced Each - Enhance longevity and improve your Audi or Porsche's handling with our in-house designed HD rubber shock mount! - ECS - Audi Porsche

Enhance longevity and improve your Audi or Porsche's handling with our in-house designed HD rubber shock mount! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4681138
Mfg#:
049313LA01
In Stock
ON SALE! SAVE 15%
$50.99

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

$43.34 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heavy Duty Hex Bolt - Priced Each

ES#2642966 - N10127707 - Heavy Duty Hex Bolt - Priced Each - Used in various locations on your vehicle. M8x26 - Vaico - Audi Volkswagen

Used in various locations on your vehicle. M8x26 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Secures the rear sway bar bracket to the rear subframe

Brand:
Vaico - Corporate Logo
ES#:
2642966
Mfg#:
N10127707
In Stock
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Density Line Lower Control Arm Kit

ES#3183551 - 034-401-1021 - Density Line Lower Control Arm Kit - Upgraded rubber bushings to offer a substantial performance increase over the worn factory parts - 034Motorsport - Audi

Upgraded rubber bushings to offer a substantial performance increase over the worn factory parts affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
3183551
Mfg#:
034-401-1021
In Stock
$414.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Carbon Fiber Strut Tower Brace - Audi B8 A4/A5/S4/S5

ES#3195022 - 008049ecs01KT - Carbon Fiber Strut Tower Brace - Audi B8 A4/A5/S4/S5 - Provides additional support to the strut towers for flex reduction to enhance your driving experience - ECS - Audi

Provides additional support to the strut towers for flex reduction to enhance your driving experience affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Vehicle must feature an M8 stud on the passenger shock tower for proper install. Please see product photo
Does not work with the factory intake system

Brand:
ECS - Corporate Logo
ES#:
3195022
Mfg#:
008049ECS01KT
In Stock
ON SALE! SAVE 27%
$348.99

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

$256.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Complete Front Control Arm Kit

ES#2535202 - 8D0498998 - Complete Front Control Arm Kit - Includes all front control arms, tie rod ends, sway bar end links & hardware - URO - Audi Volkswagen

Includes all front control arms, tie rod ends, sway bar end links & hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Fits from From Chassis/VIN #8D-Y-080001, split is in model year 2000

Brand:
URO - Corporate Logo
ES#:
2535202
Mfg#:
8D0498998
In Stock
$283.87 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Dynamic+ Billet Adjustable Rear Sway Bar End Links

ES#4013533 - 034-402-4029 - Dynamic+ Billet Adjustable Rear Sway Bar End Links - Replace your flimsy, imprecise OEM sway bar end links - Designed to improve handling, road feel, and steering response! - 034Motorsport - Audi

Replace your flimsy, imprecise OEM sway bar end links - Designed to improve handling, road feel, and steering response! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4013533
Mfg#:
034-402-4029
In Stock
$231.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

KW V1 Series Coilover Kit

ES#2091966 - 10210075 - KW V1 Series Coilover Kit - Variant 1 coilovers offer the best balance between sporty driving and comfort - KW Suspension - Audi

Variant 1 coilovers offer the best balance between sporty driving and comfort affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits sedan models without factory EDC. Range of lowering is 0.8-1.5" in the front and 0.4-1.5" in the rear.

Brand:
KW Suspension - Corporate Logo
ES#:
2091966
Mfg#:
10210075
In Stock at Vendor
$2194.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Bilstein B12 Pro-Kit Suspension System

ES#2983800 - 46-183330 - 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! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Vehicles Without Electronic Suspension
Lowers 35mm front, 30mm rear

Brand:
Bilstein - Corporate Logo
ES#:
2983800
Mfg#:
46-183330
In Stock
17% off MSRP

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

$1155.00

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

$959.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B8 Billet Aluminum Front Strut Tower / Chassis Brace

ES#4137422 - 028501ecs01KT - Audi B8 Billet Aluminum Front Strut Tower / Chassis Brace - Provides additional support to the strut towers for flex reduction to enhance your driving experience - ECS - Audi

Provides additional support to the strut towers for flex reduction to enhance your driving experience affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4137422
Mfg#:
028501ECS01KT
In Stock
ON SALE! SAVE 10%
$167.99

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

$151.19 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Special Active Front Strut - Priced Each

ES#3560616 - 82451264 - Special Active Front Strut - Priced Each - Superior handling without compromising ride quality - Koni - Audi

Superior handling without compromising ride quality affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Vehicles equipped with Electronic Damping Control (EDC) will lose factory shock damping and receive a system error code

Brand:
Koni - Corporate Logo
ES#:
3560616
Mfg#:
82451264
In Stock
ON SALE! SAVE 20%
$203.34

This product was last offered at the strikethrough price on
02-27-2026

$162.23 USD
Free Shipping
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.

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