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Audi S4 Suspension Parts & Accessories

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KW H.A.S. - Height Adjustable Spring Kit

ES#3427372 - 253100BJ - KW H.A.S. - Height Adjustable Spring Kit - Retains the use of your factory shocks while providing the ability to adjust ride height from 0.6" to 1.6" Front 1.0" to 1.8" Rear - KW Suspension - Audi

Retains the use of your factory shocks while providing the ability to adjust ride height from 0.6" to 1.6" Front 1.0" to 1.8" Rear For models with factory Electronic Damping Control suspension

Brand:
KW Suspension - Corporate Logo
ES#:
3427372
Mfg#:
253100BJ
Ships in 4 Business Days
$1294.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

KW H.A.S. - Height Adjustable Spring Kit

ES#3427369 - 253100BH - KW H.A.S. - Height Adjustable Spring Kit - Retains the use of your factory shocks while providing the ability to adjust ride height from 0.6" to 1.6" Front 1.0" to 1.8" Rear - KW Suspension - Audi

Retains the use of your factory shocks while providing the ability to adjust ride height from 0.6" to 1.6" Front 1.0" to 1.8" Rear For models without factory Electronic Damping Control - For models

Brand:
KW Suspension - Corporate Logo
ES#:
3427369
Mfg#:
253100BH
Ships in 4 Business Days
$1294.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

KW H.A.S. - Height Adjustable Spring Kit

ES#3427370 - 253100BM - KW H.A.S. - Height Adjustable Spring Kit - Retains the use of your factory shocks while providing the ability to adjust ride height from 0.6" to 1.6" Front 1.0" to 1.8" Rear - KW Suspension - Audi

Retains the use of your factory shocks while providing the ability to adjust ride height from 0.6" to 1.6" Front 1.0" to 1.8" Rear For models without factory Electronic Damping Control - For models

Brand:
KW Suspension - Corporate Logo
ES#:
3427370
Mfg#:
253100BM
Ships in 4 Business Days
$1294.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

IE Rear Sway Bar Upgrade

ES#5375236 - IESSCK1 - IE Rear Sway Bar Upgrade - Direct bolt-in replacement with adjustable stiffness for reduced body roll and increased grip! - Integrated Engineering - Audi

Direct bolt-in replacement with adjustable stiffness for reduced body roll and increased grip!

Brand:
Integrated Engineering - Corporate Logo
ES#:
5375236
Mfg#:
IESSCK1
Ships in 1 Business Day
$429.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Track Spec Density Line Control Arm Kit - Front

ES#4159608 - 034-401-1056 - Track Spec 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#:
4159608
Mfg#:
034-401-1056
Ships on Nov 11, 2026
$1285.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Track Spec Density Line Control Arm Kit - Front

ES#4159610 - 034-401-1057 - Track Spec Density Line Control Arm Kit - Front - Includes lower control arms, upper adjustable control arms, M12 ball joints and all necessary hardware. - 034Motorsport - Audi

Includes lower control arms, upper adjustable control arms, M12 ball joints and all necessary hardware. 2X Entries Into Our F80 M3 Sweepstakes
For vehicles with M12 ball joints

Brand:
034Motorsport - Corporate Logo
ES#:
4159610
Mfg#:
034-401-1057
Ships in 2 Business Days
$1284.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Dynamic+ Coil Spring Sleeves - Pair

ES#3678259 - 034-404-Z001 - Dynamic+ Coil Spring Sleeves - Pair - These coil spring sleeves are from high-durometer rubber to withstand up to 2,000 pounds of load. - 034Motorsport - Audi Volkswagen

These coil spring sleeves are from high-durometer rubber to withstand up to 2,000 pounds of load. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
3678259
Mfg#:
034-404-Z001
In Stock
$16.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cup Kit - H&R Super Sport Springs With Bilstein Sport Shocks

ES#2739505 - 50361-77KT - Cup Kit - H&R Super Sport Springs With Bilstein Sport Shocks - Aggressive looks with ultimate handling - Assembled By ECS - Audi

Aggressive looks with ultimate handling 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2739505
Mfg#:
50361-77KT
Ships in 1 Business Day
$1593.99

This product was last offered at the strikethrough price on
10-01-2026

$1273.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Cup Kit - H&R OE Sport Springs With Bilstein Sport Shocks

ES#3010022 - 50361-55kt - Cup Kit - H&R OE Sport Springs With Bilstein Sport Shocks - Perfect combination of handling & ride quality - Assembled By ECS - Audi

Perfect combination of handling & ride quality 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
3010022
Mfg#:
50361-55KT
Ships in 1 Business Day
$1593.99

This product was last offered at the strikethrough price on
10-01-2026

$1273.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Lower Control Arm - Curved - Left

ES#3618841 - 8K0407693AF - Front Lower Control Arm - Curved - Left - Keep your suspension in top shape - URO - Audi

Keep your suspension in top shape 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
From production date 11/3/2009 up to 6/20/2011

Brand:
URO - Corporate Logo
ES#:
3618841
Mfg#:
8K0407693AF
In Stock
$90.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Lower Control Arm Brace - Audi B8 A4/A5/S4/S5

ES#3478040 - 008050ecs01KT - Rear Lower Control Arm Brace - Audi B8 A4/A5/S4/S5 - Provides additional support to the rear lower control arms for flex reduction to enhance your driving experience - ECS - Audi

Provides additional support to the rear lower control arms for flex reduction to enhance your driving experience 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3478040
Mfg#:
008050ECS01KT
In Stock
ON SALE! SAVE 25%
$187.99

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

$140.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

034Motorsport Density Line Front Bump Stops - Pair (56mm)

ES#5388844 - 034-403-Z001 - 034Motorsport Density Line Front Bump Stops - Pair (56mm) - Restore lost suspension travel and unlock smoother, more controlled handling on lowered vehicles with 034Motorsport Density Line Bump Stops. - 034Motorsport - Audi

Restore lost suspension travel and unlock smoother, more controlled handling on lowered vehicles with 034Motorsport Density Line Bump Stops. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
5388844
Mfg#:
034-403-Z001
Back Ordered
$15.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Spherical Adjustable Front Upper Control Arm Kit

ES#3183545 - 034-401-1006 - Spherical Adjustable Front Upper Control Arm Kit - Zero deflection and slop, uncompromized suspension geometry - Track Spec - 034Motorsport - Audi

Zero deflection and slop, uncompromized suspension geometry - Track Spec 2X Entries Into Our F80 M3 Sweepstakes
Small diameter, non-feminine racing springs are required, stock diameter springs will hit the links

Brand:
034Motorsport - Corporate Logo
ES#:
3183545
Mfg#:
034-401-1006
Ships in 2 Business Days
$627.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Lower Control Arm - Straight - Left

ES#3176115 - 8K0407151F - Front Lower Control Arm - Straight - Left - Keep your suspension in top shape - URO - Audi

Keep your suspension in top shape 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
From production date 8/16/2011

Brand:
URO - Corporate Logo
ES#:
3176115
Mfg#:
8K0407151F
Ships in 2 Business Days
$59.62 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Adjustable Damping Performance Coilover System - Audi B8/B8.5 & Thrust Arm Monoball Upgrade (M12 Ball Joints)

ES#4750975 - 025412ECS01EBKT - Adjustable Damping Performance Coilover System - Audi B8/B8.5 & Thrust Arm Monoball Upgrade (M12 Ball Joints) - Take control of your ride while going low with our sport-tuned coilover system! - Enthusiast Bundles - Audi

Take control of your ride while going low with our sport-tuned coilover system! Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One!

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4750975
Mfg#:
025412ECS01EBKT
In Stock
ON SALE! SAVE 33%
$1872.98

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

$1249.99 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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