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Audi B9 S4 Quattro 3.0T

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Audi B9 S4 Quattro 3.0T Most Popular Parts

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20" APEX VS-5RS Wheels - Square Set Of Four

ES#4699679 - vs5rs209et25sbKT - 20" APEX VS-5RS Wheels - Square Set Of Four - Forged 20x9" ET25 5X112 - Satin Black - APEX Wheels - Audi

Forged 20x9" ET25 5X112 - Satin Black affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
APEX Wheels - Corporate Logo
ES#:
4699679
Mfg#:
VS5RS209ET25SBKT
Back Ordered
$3956.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

19" Apex SL-12RT Wheels - Square Set Of Four

ES#5470202 - 121995255112anKT - 19" Apex SL-12RT Wheels - Square Set Of Four - 19x9.5 ET25 5x112 66.6CB - Anthracite - Machined Lip - APEX Wheels - Audi

19x9.5 ET25 5x112 66.6CB - Anthracite - Machined Lip affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
APEX Wheels - Corporate Logo
ES#:
5470202
Mfg#:
121995255112ANKT
Back Ordered
$3596.00 USD
This product is lifetime replacement eligible Lifetime Replacement

19" Apex VS-5 Wheels - Square Set Of Four

ES#4906349 - vs519928h12KT - 19" Apex VS-5 Wheels - Square Set Of Four - 19x9 ET28 5x112 66.6CB - Hyper Black - APEX Wheels - Audi

19x9 ET28 5x112 66.6CB - Hyper Black affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
APEX Wheels - Corporate Logo
ES#:
4906349
Mfg#:
VS519928H12KT
Back Ordered
$2136.00 USD
This product is lifetime replacement eligible Lifetime Replacement

19" Apex SL-12RT Wheels - Square Set Of Four

ES#5470219 - 12199255112bkKT - 19" Apex SL-12RT Wheels - Square Set Of Four - 19x9 ET25 5x112 66.6CB - Satin Black - APEX Wheels - Audi Mercedes Benz

19x9 ET25 5x112 66.6CB - Satin Black affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
APEX Wheels - Corporate Logo
ES#:
5470219
Mfg#:
12199255112BKKT
Back Ordered
$3556.00 USD
This product is lifetime replacement eligible Lifetime Replacement

18" A02 Wheels - Bronze - Set Of Four

ES#4629199 - whl00038KT - 18" A02 Wheels - Bronze - Set Of Four - 18x9" ET40 5X112 - Bronze - APR - Audi BMW Volkswagen MINI

18x9" ET40 5X112 - Bronze Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Wheel spacers may be necessary to clear brake calipers

Brand:
APR - Corporate Logo
ES#:
4629199
Mfg#:
WHL00038KT
Back Ordered
$1239.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Front And Rear Sport Struts With H&R Sport Springs

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
$1388.99

This product was last offered at the strikethrough price on
07-01-2026

$1315.99 USD
This product is lifetime replacement eligible Partial Replacement

High Pressure Fuel Pump Kit

ES#4820944 - 06M127026QKT1 - High Pressure Fuel Pump Kit - Includes HPFP, O-ring, Cam follower, and hardware - Assembled By ECS - Audi

Includes HPFP, O-ring, Cam follower, and hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with production date up to 07/06/2020

Brand:
Assembled By ECS - Corporate Logo
ES#:
4820944
Mfg#:
06M127026QKT1
Back Ordered
$687.99

This product was last offered at the strikethrough price on
05-07-2026

$672.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Oil Cooler Kit

ES#4769758 - 06M117015MAKT - Oil Cooler Kit - Replace you Oil cooler with new gaskets and bolts - Assembled By ECS - Audi

Replace you Oil cooler with new gaskets and bolts affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4769758
Mfg#:
06M117015MAKT
Back Ordered
ON SALE!
$153.99

This product was last offered at the strikethrough price on
06-26-2026

$140.52 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Special Active Front And Rear Struts With H&R Sport Springs

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
$1221.99

This product was last offered at the strikethrough price on
07-01-2026

$1148.99 USD
This product is lifetime replacement eligible Partial Replacement

Front Upper Strut Mount - Pair

ES#5471152 - 8w0412377b1KT - Front Upper Strut Mount - Pair - Keep your suspension in top shape - Assembled By ECS - Audi

Keep your suspension in top shape affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For models with standard & sport suspension (PR-Codes 1BA, 1BE)

Brand:
Assembled By ECS - Corporate Logo
ES#:
5471152
Mfg#:
8W0412377B1KT
Back Ordered
ON SALE!
$77.99

This product was last offered at the strikethrough price on
06-15-2026

$75.64 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

20" BBS CH-R Wheels - Set Of Four

ES#3138078 - CH118BPOKT1 - 20" BBS CH-R Wheels - Set Of Four - 20x8.5 ET40 5x112 66.6CB - Satin Black with Polished Rim Protector - BBS - Audi BMW Mercedes Benz

20x8.5 ET40 5x112 66.6CB - Satin Black with Polished Rim Protector affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
BBS - Corporate Logo
ES#:
3138078
Mfg#:
CH118BPOKT1
Back Ordered
$3784.00 USD
This product is lifetime replacement eligible Lifetime Replacement

18" BBS RI-A Wheels - Set Of Four

ES#4753247 - RIA023GLKT1 - 18" BBS RI-A Wheels - Set Of Four - 18x8.5 ET45 5x112 66.6CB - Gold - BBS - Audi BMW Mercedes Benz MINI

18x8.5 ET45 5x112 66.6CB - Gold affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
BBS - Corporate Logo
ES#:
4753247
Mfg#:
RIA023GLKT1
Back Ordered
Auto Notify
$4433.99 USD
This product is lifetime replacement eligible Lifetime Replacement

18" BBS CH-R Wheels - Set Of Four

ES#3138059 - CH146SPOKT1 - 18" BBS CH-R Wheels - Set Of Four - 18x8.5 ET38 5x112 66.6CB - Brilliant Silver with Polished Rim Protector - BBS - Audi BMW Mercedes Benz MINI

18x8.5 ET38 5x112 66.6CB - Brilliant Silver with Polished Rim Protector affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
BBS - Corporate Logo
ES#:
3138059
Mfg#:
CH146SPOKT1
Back Ordered
Auto Notify
$2997.99 USD
This product is lifetime replacement eligible Lifetime Replacement

ER Series Coilover Suspension Kit - B9 Audi A4/S4

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

BR Series Coilover Suspension Kit - B9 Audi A4/S4

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

DS Series Coilover Suspension Kit - B9 Audi A4/S4

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

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