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Audi B9 A4 FWD 2.0T Performance Suspension Parts & Upgrades

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A direct-replacement spherical monoball kit for B9 Audi thrust arms that replaces the factory rubber bushings to eliminate unwanted suspension deflection. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
TGK Motorsport - Corporate Logo
ES#:
5477699
Mfg#:
TGK-0411-04
Ships in 6 Business Days
$449.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime 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#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#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#4148204 - 46-278647 - 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 25th Anniversary Sweepstakes!
2X Entries For Our Spin To Win Sweepstakes!
For vehicles with production date from 7/12/2016 with 48.5mm front strut body without factory Electronic Damping Control.

Brand:
Bilstein - Corporate Logo
ES#:
4148204
Mfg#:
46-278647
Back Ordered
$1069.00 USD
Free Shipping
ES#3427289 - 352100BK - KW V3 Series Coilover Kit - The ultimate in coilover technology featuring double adjustable damping - KW Suspension - Audi

The ultimate in coilover technology featuring double adjustable damping affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For models without factory Electronic Damping Control - For models
Range of lowering is 1.6-2.6" front and rear.

Brand:
KW Suspension - Corporate Logo
ES#:
3427289
Mfg#:
352100BK
Back Ordered
$3524.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3553364 - 102100AV - 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
For models without factory Electronic Damping Control - For models with 50mm front strut body. Range of lowering is 1.6-2.6" front and rear.

Brand:
KW Suspension - Corporate Logo
ES#:
3553364
Mfg#:
102100AV
Back Ordered
$2244.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3553365 - 102100AW - 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
For models with factory Electronic Damping Control suspension. Range of lowering is 1.6-2.6" in the front and rear.

Brand:
KW Suspension - Corporate Logo
ES#:
3553365
Mfg#:
102100AW
Back Ordered
$2564.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3427287 - 352100AV - KW V3 Series Coilover Kit - The ultimate in coilover technology featuring double adjustable damping - KW Suspension - Audi

The ultimate in coilover technology featuring double adjustable damping affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For models without factory Electronic Damping Control - For models
For models without factory Electronic Damping Control - For models with 50mm front strut body. Range of lowering is 1.6-2.6" front and rear.

Brand:
KW Suspension - Corporate Logo
ES#:
3427287
Mfg#:
352100AV
Back Ordered
$3524.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3427350 - 352100AW - KW V3 Series Coilover Kit - The ultimate in coilover technology featuring double adjustable damping - KW Suspension - Audi

The ultimate in coilover technology featuring double adjustable damping affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For models with factory Electronic Damping Control suspension - ED
For models with factory Electronic Damping Control suspension. Range of lowering is 1.6-2.6" in the front and rear.

Brand:
KW Suspension - Corporate Logo
ES#:
3427350
Mfg#:
352100AW
Back Ordered
$3834.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3553366 - 102100BK - 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
For models without factory Electronic Damping Control - For models with 48.5mm front strut body. Range of lowering is 1.6-2.6" front and rear.

Brand:
KW Suspension - Corporate Logo
ES#:
3553366
Mfg#:
102100BK
Special Order: No Guaranteed ETA
$2244.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4698691 - 82411317SPORT - Front Sport Strut - Priced Each  - Tighten up your Audi with these Koni struts - Koni - Audi

Tighten up your Audi with these Koni struts affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles without electronic suspension (49mm diameter strut)

Brand:
Koni - Corporate Logo
ES#:
4698691
Mfg#:
82411317SPORT
Back Ordered
ON SALE! SAVE 20%
$259.99

This product was last offered at the strikethrough price on
03-02-2026

$207.98 USD
Free Shipping
on orders $49 and up
ES#4698699 - 82411317sportKT - Sport Shocks & Struts Set - Tighten up your Audi with these Koni struts - Koni - Audi

Tighten up your Audi with these Koni struts affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Vehicle will lose Adaptive Dampening Control

Brand:
Koni - Corporate Logo
ES#:
4698699
Mfg#:
82411317SPORTKT
Back Ordered
ON SALE! SAVE 20%
$900.99

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

$719.57 USD
Free Shipping
on orders $49 and up

More About Performance Suspension Parts & Upgrades

Your car's performance and ride quality are effectively determined by your suspension. Find all the replacement and upgrade solutions for your dampers, springs, control arms, and more in our suspension catalog.

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