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Audi S4 Suspension Parts & Accessories

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Billet Aluminum Rear Subframe Mount Insert Kit

ES#3247809 - 034-601-0046 - Billet Aluminum Rear Subframe Mount Insert Kit - Maintain proper suspension geometry when cornering and reduce rear subframe movement - 034Motorsport - Audi

Maintain proper suspension geometry when cornering and reduce rear subframe movement 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
3247809
Mfg#:
034-601-0046
In Stock
$208.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B8/B8.5 A4 And S4 Front And Rear Adjustable Sway Bar Kit

ES#4213431 - 022846ecs01kt2 - Audi B8/B8.5 A4 And S4 Front And Rear Adjustable Sway Bar Kit - Reduce body roll and increase cornering speed - ECS - Audi

Reduce body roll and increase cornering speed 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4213431
Mfg#:
022846ECS01KT2
Ships on Dec 14, 2026
ON SALE! SAVE 10%
$733.99

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

$660.59 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet X-Brace - Red - Audi B8

ES#4220371 - 004802LA01AKT4 - Billet X-Brace - Red - Audi B8 - Improve steering feel and handling! - ECS - Audi

Improve steering feel and handling! 10X Entries Into Our F80 M3 Sweepstakes

Fits Pre-Facelift models up to the 2012 model year

Brand:
ECS - Corporate Logo
ES#:
4220371
Mfg#:
004802LA01AKT4
In Stock
ON SALE! SAVE 25%
$483.99

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

$362.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Solid Rear Sway Bar - 25.4mm

ES#2864584 - 034-402-1001 - Solid Rear Sway Bar - 25.4mm - Substantially reduce understeer and body roll - 034Motorsport - Audi

Substantially reduce understeer and body roll 2X Entries Into Our F80 M3 Sweepstakes
Billet Aluminum Rear Subframe Reinforcement kit is recommended

Brand:
034Motorsport - Corporate Logo
ES#:
2864584
Mfg#:
034-402-1001
In Stock
$361.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Lower Spring Pad - Priced Each

ES#2181957 - 8K0512297E - Rear Lower Spring Pad - Priced Each - Fits left and right side - Genuine Volkswagen Audi - Audi

Fits left and right side

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2181957
Mfg#:
8K0512297E
In Stock
25% off MSRP

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

$51.98

This product was last offered at the strikethrough price on
10-19-2026

$38.99 USD
Free Shipping
on orders $49 and up
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 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

Audi B5 A4/S4 Solo-Werks S1 Coilovers

ES#2777310 - s1au004 - Audi B5 A4/S4 Solo-Werks S1 Coilovers - Set your vehicle low and tight for optimal performance - Solo-Werks - Audi

Set your vehicle low and tight for optimal performance Lowering front: 1.5" - 3", rear: 1.5" - 3"

Brand:
Solo-Werks - Corporate Logo
ES#:
2777310
Mfg#:
S1AU004
In Stock
$649.00 USD
Free Shipping
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 2X Entries Into Our F80 M3 Sweepstakes

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

Density Line Front Upper Strut Mount - Priced Each

ES#2966732 - 034-601-1003-TD - Density Line Front Upper Strut Mount - Priced Each - Approximately twice as stiff as stock, for increased firmness and vehicle control - 034Motorsport - Audi

Approximately twice as stiff as stock, for increased firmness and vehicle control 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
2966732
Mfg#:
034-601-1003-TD
In Stock
$46.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Sport Strut - Priced Each 8240 1279Sport

ES#2219732 - 82401279SPORT - Front Sport Strut - Priced Each 8240 1279Sport - Fits the left and right side - Koni - Audi Porsche

Fits the left and right side Vehicles equipped with Electronic Damping Control (EDC) will lose factory shock damping and receive a system error code

Brand:
Koni - Corporate Logo
ES#:
2219732
Mfg#:
82401279SPORT
In Stock
38% off MSRP

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

$425.99

This product was last offered at the strikethrough price on
10-19-2026

$262.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Adjustable Rear Upper Controls arms - Pair

ES#2864578 - 034-401-1011 - Adjustable Rear Upper Controls arms - Pair - Corrects camber to eliminate inner tire wear - 034Motorsport - Audi

Corrects camber to eliminate inner tire wear 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
2864578
Mfg#:
034-401-1011
Back Ordered
$609.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

B8 Performance Plus Rear Shock - Priced Each

ES#4044760 - 24-262323 - B8 Performance Plus Rear Shock - Priced Each - Compliments factory sport package or lowering springs with a remarkably comfortable sport ride. World-famous Bilstein quality with a limited lifetime warranty! - Bilstein - Audi

Compliments factory sport package or lowering springs with a remarkably comfortable sport ride. World-famous Bilstein quality with a limited lifetime warranty! 10X Entries Into Our F80 M3 Sweepstakes

For vehicles without electronic suspension

Brand:
Bilstein - Corporate Logo
ES#:
4044760
Mfg#:
24-262323
In Stock
33% off MSRP

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

$222.00

This product was last offered at the strikethrough price on
10-19-2026

$149.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Camber Correcting Density Line Control Arm Kit - Front

ES#4159575 - 034-401-1054 - Camber Correcting Density Line Control Arm Kit - Front - Includes lower control arms, upper adjustable control arms, M14 ball joints and all necessary hardware. - 034Motorsport - Audi

Includes lower control arms, upper adjustable control arms, M14 ball joints and all necessary hardware. 2X Entries Into Our F80 M3 Sweepstakes
For vehicles with M14 ball joints

Brand:
034Motorsport - Corporate Logo
ES#:
4159575
Mfg#:
034-401-1054
Ships in 2 Business Days
$1276.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

B6 Performance DampTronic Front Strut - Priced Each

ES#4390655 - 26-296036 - B6 Performance DampTronic Front Strut - Priced Each - Unbelievable control, precise handling, ultimate performance and incredible comfort. German-made with world-famous Bilstein quality and a limited lifetime warranty! A heavy duty upgrade for the performance minded driver. - Bilstein - Audi

Unbelievable control, precise handling, ultimate performance and incredible comfort. German-made with world-famous Bilstein quality and a limited lifetime warranty! A heavy duty upgrade for the performance minded driver. 10X Entries Into Our F80 M3 Sweepstakes
For vehicles with factory electronic dampening control
For vehicles with electronic suspension (49mm diameter strut)

Brand:
Bilstein - Corporate Logo
ES#:
4390655
Mfg#:
26-296036
In Stock
33% off MSRP

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

$713.00

This product was last offered at the strikethrough price on
10-19-2026

$479.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet Aluminum Front Strut Brace

ES#3199709 - 034-603-0012 - Billet Aluminum Front Strut Brace - Bolt-on upgrade for factory strut brace - Engineered to enhance handling dynamics and performance! - 034Motorsport - Audi

Bolt-on upgrade for factory strut brace - Engineered to enhance handling dynamics and performance! 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
3199709
Mfg#:
034-603-0012
In Stock
$515.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Density Line Upper Control Arm Kit

ES#3184738 - 034-401-1003 - Density Line Upper Control Arm Kit - Refresh your front end with 034Motorsport's front upper control arm kit - 034Motorsport - Audi

Refresh your front end with 034Motorsport's front upper control arm kit 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
3184738
Mfg#:
034-401-1003
In Stock
$193.00 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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