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Your Vehicle Audi B9 A4 Quattro 2.0T

Audi B9 A4 Quattro 2.0T Performance Suspension Parts & Upgrades

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ES#4056874 - 352100BJ - 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 sedan models with factory Electronic Damping Control suspension. Range of lowering is 1.2-2.2" in the front and 1.4-2.4" in the rear.

Brand:
KW Suspension - Corporate Logo
ES#:
4056874
Mfg#:
352100BJ
Ships in 4 Business Days
$3834.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4056866 - 352100BH - 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 with 50mm front strut body. Range of lowering is 1.2-2.2" in the front and 1.4-2.4" in the rear.

Brand:
KW Suspension - Corporate Logo
ES#:
4056866
Mfg#:
352100BH
Ships in 4 Business Days
$3524.00 USD
Free Shipping
ES#3085660 - 27791 - Air Lift Performance 3H 1/4" Air Management Starter Kit - Includes 2.5 Gallon Aluminum Air Tank, 444C Compressor, Fitting Kit, Valve Block and, Controller. - Air Lift - Audi BMW Volkswagen Mercedes Benz Porsche

Includes 2.5 Gallon Aluminum Air Tank, 444C Compressor, Fitting Kit, Valve Block and, Controller. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Air Lift - Corporate Logo
ES#:
3085660
Mfg#:
27791
Ships in 4 Business Days
$2948.99 USD
ES#4876154 - 000745LAEBKT2 - B9 A4/A5/S4/S5 Quattro Adjustable Damping Coilovers & Front/Rear Sway Bars - Enhance your B9 with a performance-tuned coilover suspension setup & upgraded sway bars! - Enthusiast Bundles - Audi

Enhance your B9 with a performance-tuned coilover suspension setup & upgraded sway bars! Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4876154
Mfg#:
000745LAEBKT2
Ships on Nov 3, 2026
Auto Notify
ON SALE! SAVE 25%
$1863.98

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

$1399.00 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#4381928 - 034-603-0029 - X-Clear Driveshaft Tunnel Brace  - Allows for a larger diameter exhaust to be installed without causing excessive rattling or vibration. - 034Motorsport - Audi

Allows for a larger diameter exhaust to be installed without causing excessive rattling or vibration. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4381928
Mfg#:
034-603-0029
In Stock
$151.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4424821 - S-27E-BR - BR Series Coilover Suspension Kit - Extreme Low - 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 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#:
4424821
Mfg#:
S-27E-BR
Ships on Aug 14, 2026
$1345.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4872510 - S-35-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 up to 7/11/2016 with 53mm front strut body with factory Electronic Damping Control.

Brand:
BC Racing - Corporate Logo
ES#:
4872510
Mfg#:
S-35-BR
Ships on Aug 14, 2026
$1195.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3129514 - 010891sch01aKT - Schwaben Wheel Mount Kit & Magnetic Caster/Camber Gauge - Perform your own caster and camber adjustments with this professional kit - Schwaben - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Perform your own caster and camber adjustments with this professional kit affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Schwaben - Corporate Logo
ES#:
3129514
Mfg#:
010891SCH01AKT
In Stock
ON SALE!
$403.99

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

$392.33 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3476922 - 023781ECS01-01 - Audi B9 Billet Tunnel Brace - Black - Replace your small and weak stamped brace with heavy-duty billet aluminum! - ECS - Audi

Replace your small and weak stamped brace with heavy-duty billet aluminum! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3476922
Mfg#:
023781ECS01-01
In Stock
ON SALE! SAVE 20%
$168.99

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

$135.19 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3979096 - 102100BM - 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 1.2-2.2" in the front and 1.4-2.4" in the rear.

Brand:
KW Suspension - Corporate Logo
ES#:
3979096
Mfg#:
102100BM
Back Ordered
$2244.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3979094 - 102100bh - 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 1.2-2.2" in the front and 1.4-2.4" in the rear.

Brand:
KW Suspension - Corporate Logo
ES#:
3979094
Mfg#:
102100BH
Back Ordered
$2244.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4872123 - 004673LA01 - 220MM Coilover Damping Extensions - Adjust your damping without removing your interior! - ECS - Audi BMW Volkswagen MINI Porsche

Adjust your damping without removing your interior! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
10X Entries For Our Spin To Win Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4872123
Mfg#:
004673LA01
In Stock
ON SALE! SAVE 10%
$37.99

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

$34.19 USD
Free Shipping
on orders $49 and up
ES#4830683 - CTS-LS-025 - Lowering Springs - 1 lowering on average for front and Rear - CTS - Audi

1″ lowering on average for front and Rear affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTS - Corporate Logo
ES#:
4830683
Mfg#:
CTS-LS-025
In Stock
$249.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3218658 - EMD-B9Q-LS - EMD Auto Lowering Spring Kit - Approximately 1.6" Front & Rear drop - Emmanuele Design - Audi

Approximately 1.6" Front & Rear drop affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Emmanuele Design - Corporate Logo
ES#:
3218658
Mfg#:
EMD-B9Q-LS
Ships in 3 Business Days
3% off MSRP

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

$290.00

This product was last offered at the strikethrough price on
06-24-2026

$280.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3972077 - 78670 - Rear Performance Air Ride Kit  - Allow your B9 Audi to sit on the ground! - Air Lift - Audi

Allow your B9 Audi to sit on the ground! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Air Lift - Corporate Logo
ES#:
3972077
Mfg#:
78670
Ships in 4 Business Days
$1889.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#4465518 - 034-407-1006 - Density Line Adjustable Rear Toe Links - Direct, drop-in upgrade for the stamped steel factory rear toe links - 034Motorsport - Audi

Direct, drop-in upgrade for the stamped steel factory rear toe links affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4465518
Mfg#:
034-407-1006
Ships in 2 Business Days
$360.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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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Manufacturer names and/or part numbers are used only for identification purposes.

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