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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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19" Style M205 Wheels - Set Of Four

ES#4316106 - m205-1KT - 19" Style M205 Wheels - Set Of Four - 19"x8.5" ET35 66.6CB 5x112 - Hyper Silver - Alzor - Audi MINI

19"x8.5" ET35 66.6CB 5x112 - Hyper Silver affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Alzor - Corporate Logo
ES#:
4316106
Mfg#:
M205-1KT
In Stock
ON SALE! SAVE 25%
$1300.00

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

$975.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ultimate Water Pump Kit

ES#5434868 - 06M121013GKT - Ultimate Water Pump Kit - Keep your cooling system running properly - Genuine Volkswagen Audi - Audi

Keep your cooling system running properly affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Includes Updated 6-Bolt Water Pump and Pulley

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
5434868
Mfg#:
06M121013GKT
Ships in 3 Business Days
$1050.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Street Sport Motor Mounts

ES#4830891 - CTS-EM-MQL-60D - Street Sport Motor Mounts - Redefine the balance between comfort and performance - CTS - Audi

Redefine the balance between comfort and performance affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTS - Corporate Logo
ES#:
4830891
Mfg#:
CTS-EM-MQL-60D
Ships in 8 Business Days
$349.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B9 S4/S5 3.0T Luft-Technik Intake System

ES#3477816 - 023795ECS06 - Audi B9 S4/S5 3.0T Luft-Technik Intake System - Enhance your engine's performance with gains up to 16 Wheel Horsepower and 15 foot pounds of torque with our ECS Cold Air Intake - ECS - Audi

Enhance your engine's performance with gains up to 16 Wheel Horsepower and 15 foot pounds of torque with our ECS Cold Air Intake affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3477816
Mfg#:
023795ECS06
In Stock
ON SALE! SAVE 20%
$540.99

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

$432.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Competition Intercooler Kit

ES#4017614 - 200001120 - Competition Intercooler Kit - The high performance intercooler core provides a 134% larger frontal area and 105% more volume compared to the stock mounted intercooler. - Wagner Tuning - Audi

The high performance intercooler core provides a 134% larger frontal area and 105% more volume compared to the stock mounted intercooler. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
**This kit is for US vehicle fitment**

Brand:
Wagner Tuning - Corporate Logo
ES#:
4017614
Mfg#:
200001120
Back Ordered
Auto Notify
ON SALE! SAVE 10%
$1040.00

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

$936.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear HPS 5.0 Performance Brake Pad Set

ES#4000469 - HB866B.652 - Rear HPS 5.0 Performance Brake Pad Set - Next generation high performance street brake pad offering greater stopping power and pedal feel, with very low dust. - Hawk - Audi

Next generation high performance street brake pad offering greater stopping power and pedal feel, with very low dust. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Hawk - Corporate Logo
ES#:
4000469
Mfg#:
HB866B.652
In Stock
$197.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Stage 1 IE Performance ECU Tune - Includes Stage 1 TCU Tune & POWERlink Cable

ES#4418875 - IESOVZ11TCU - Stage 1 IE Performance ECU Tune - Includes Stage 1 TCU Tune & POWERlink Cable - Average gain of 138 horsepower and 178 lb-ft of torque on 91 Octane with stock hardware - Integrated Engineering - Audi

Average gain of 138 horsepower and 178 lb-ft of torque on 91 Octane with stock hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
Perform tune in minutes from the comfort of your own driveway! Only available for purchase in the United States and Canada.

Brand:
Integrated Engineering - Corporate Logo
ES#:
4418875
Mfg#:
IESOVZ11TCU
In Stock
$1777.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacer & Bolt Kit - 17.5mm With Black Ball Seat Bolts

ES#2748288 - 6-ECS-023 - Wheel Spacer & Bolt Kit - 17.5mm With Black Ball Seat Bolts - Add some style to your Audi with these wheel spacers - ECS - Audi

Add some style to your Audi with these wheel spacers affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Fits OEM wheels, or wheels that use OEM ball seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
2748288
Mfg#:
6-ECS-023
In Stock
ON SALE! SAVE 25%
$173.99

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

$130.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Differential Service Kit

ES#4620164 - g055190a2KT - Rear Differential Service Kit - Complete kit with Genuine fluids and drain plugs to service your rear differential - Genuine Volkswagen Audi - Audi

Complete kit with Genuine fluids and drain plugs to service your rear differential affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4620164
Mfg#:
G055190A2KT
In Stock
$100.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Carbon Fiber Mirror Cap Set - Audi B9 A4/A5/S4/S5

ES#3411932 - 024564ECS01 - Carbon Fiber Mirror Cap Set - Audi B9 A4/A5/S4/S5 - With Lane Change Assist - ECS - Audi

With Lane Change Assist affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

For vehicles with lane change assist

Brand:
ECS - Corporate Logo
ES#:
3411932
Mfg#:
024564ECS01
In Stock
ON SALE! SAVE 20%
$413.99

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

$331.19 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Cross-Drilled Brake Rotors - Pair (350x34)

ES#4447155 - 4m0615301an1KT - Front Cross-Drilled Brake Rotors - Pair (350x34) - Zimmerman Sport drilled rotors deliver excellent braking performance! - Zimmermann - Audi

Zimmerman Sport drilled rotors deliver excellent braking performance! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Zimmermann - Corporate Logo
ES#:
4447155
Mfg#:
4M0615301AN1KT
In Stock
$490.99

This product was last offered at the strikethrough price on
04-29-2026

$367.98 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

APR Upgraded Ignition Coils - Red - Set Of Six

ES#4030593 - ms100192KT2 - APR Upgraded Ignition Coils - Red - Set Of Six - Designed to be a direct plug-and-play upgrade to factory coils, providing greater energy output, ensuring a stronger and more consistent spark! - APR - Audi

Designed to be a direct plug-and-play upgrade to factory coils, providing greater energy output, ensuring a stronger and more consistent spark! 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!
CARB certified for sale in all 50 states

Brand:
APR - Corporate Logo
ES#:
4030593
Mfg#:
MS100192KT2
EO#:
D-783-5
In Stock
$317.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B9 S4/S5/SQ5 3.0T Big Bore Cast Aluminum Turbo Inlet Pipe

ES#3647752 - 027714ECS01 - Audi B9 S4/S5/SQ5 3.0T Big Bore Cast Aluminum Turbo Inlet Pipe - Remove the plastic and reduce restriction at your turbo - ECS - Audi

Remove the plastic and reduce restriction at your turbo affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3647752
Mfg#:
027714ECS01
In Stock
ON SALE! SAVE 25%
$197.99

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

$148.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Stage 1 IE Performance ECU Tune With POWERlink Cable

ES#4418872 - IESOVZ11 - Stage 1 IE Performance ECU Tune With POWERlink Cable - Average gain of 138 horsepower and 178 lb-ft of torque on 91 Octane with stock hardware - Integrated Engineering - Audi

Average gain of 138 horsepower and 178 lb-ft of torque on 91 Octane with stock hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
Perform tune in minutes from the comfort of your own driveway! Only available for purchase in the United States and Canada.

Brand:
Integrated Engineering - Corporate Logo
ES#:
4418872
Mfg#:
IESOVZ11
In Stock
$1078.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Dynamic Chassis Control Cancelers (DCC)

ES#3553443 - 68510476 - Dynamic Chassis Control Cancelers (DCC) - Removes the code for DCC/EDC when swapping to coilovers. - KW Suspension - Audi

Removes the code for DCC/EDC when swapping to coilovers. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
KW Suspension - Corporate Logo
ES#:
3553443
Mfg#:
68510476
In Stock
$493.99 USD
Free Shipping

Water Pump And Thermostat Replacement Kit

ES#4899227 - 06M121115K2KT - Water Pump And Thermostat Replacement Kit - Maintain proper operating temperature with a new water pump and hardware - Assembled By ECS - Audi

Maintain proper operating temperature with a new water pump and hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Includes 4-Bolt Water Pump and hardware - No pulley included

Brand:
Assembled By ECS - Corporate Logo
ES#:
4899227
Mfg#:
06M121115K2KT
Ships in 3 Business Days
ON SALE!
$613.99

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

$585.63 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

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

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