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Audi S4 Suspension Parts & Accessories

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affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Lemforder - Corporate Logo
ES#:
4348176
Mfg#:
8R0505145A
Special Order: No Guaranteed ETA
$73.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fits the left and right side affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Lemforder - Corporate Logo
ES#:
3219980
Mfg#:
8D0501530
Special Order: No Guaranteed ETA
$135.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4698702 - 82401319SPORTKT - Front And Rear Sport Struts With H&R Sport Springs - Average lowering of .80"- 1.6" front and rear - Assembled By ECS - Audi

Average lowering of .80"- 1.6" front and rear affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Vehicle will lose Adaptive Dampening Control

Brand:
Assembled By ECS - Corporate Logo
ES#:
4698702
Mfg#:
82401319SPORTKT
Back Ordered
$1187.99

This product was last offered at the strikethrough price on
05-11-2026

$1186.99 USD
This product is lifetime replacement eligible Partial Replacement
ES#4698705 - 82451407KT - Special Active Front And Rear Struts With H&R Sport Springs - Average lowering of .80"- 1.6" front and rear - Assembled By ECS - Audi

Average lowering of .80"- 1.6" front and rear affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Vehicle will lose Adaptive Dampening Control

Brand:
Assembled By ECS - Corporate Logo
ES#:
4698705
Mfg#:
82451407KT
Back Ordered
$1021.99

This product was last offered at the strikethrough price on
02-06-2026

$1019.99 USD
This product is lifetime replacement eligible Partial Replacement
ES#5375563 - S-28-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! 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#:
5375563
Mfg#:
S-28-ER
Back Ordered
$2255.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4424822 - S-28-BR - BR Series Coilover Suspension Kit - B9 Audi A4/S4 - Featuring 30 levels of adjustment and performance spring rates and valving that makes the BR Series perfect for both daily drivers and track warriors! - BC Racing - Audi

Featuring 30 levels of adjustment and performance spring rates and valving that makes the BR Series perfect for both daily drivers and track warriors! 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#:
4424822
Mfg#:
S-28-BR
Back Ordered
$1195.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
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. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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
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. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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
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! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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
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. 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#:
5375564
Mfg#:
S-28-DS
Back Ordered
$1395.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
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. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For cars with 12mm mounts (Sports Suspension)

Brand:
Bilstein - Corporate Logo
ES#:
260007
Mfg#:
24-020657
Back Ordered
$175.00 USD
Free Shipping
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! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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
ES#2876560 - 8K0407689GS1 - Front Lower Ball Joint - Priced Each - Fits left and right side - Febi - Audi

Fits left and right side affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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
ES#2871563 - 4G0505145C - Rear Subframe Bushing - Rear Position - Priced Each - Fits the left and right side - Febi - Audi

Fits the left and right side affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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
ES#2951326 - 35210765kt - KW Clubsport Kit - 2 Way Adjustable Dampening - Height adjustable from 0.4" to 1.5" (front) and 0.4" to 1.5" (rear) - KW Suspension - Audi

Height adjustable from 0.4" to 1.5" (front) and 0.4" to 1.5" (rear) affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Cabriolet models only

Brand:
KW Suspension - Corporate Logo
ES#:
2951326
Mfg#:
35210765KT
Back Ordered
$3894.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2951321 - 35210735kt - KW Clubsport Kit - 2 Way Adjustable Dampening - Height adjustable from 0.4" to 1.5" (front) and 0.4" to 1.5" (rear) - KW Suspension - Audi

Height adjustable from 0.4" to 1.5" (front) and 0.4" to 1.5" (rear) affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Sedan & Avant models only

Brand:
KW Suspension - Corporate Logo
ES#:
2951321
Mfg#:
35210735KT
Back Ordered
$3894.00 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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