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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 349 Wheels - Set Of Four

ES#2748495 - 349A-13kt1 - 19" Style 349 Wheels - Set Of Four - 19"x9.5" ET40 CB66.6 5x112 Matte Black - Alzor - Audi

19"x9.5" ET40 CB66.6 5x112 Matte Black affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Alzor - Corporate Logo
ES#:
2748495
Mfg#:
349A-13KT1
In Stock
ON SALE! SAVE 35%
$1300.00

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

$845.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Service Kit 0w-30

ES#4680251 - 22158KT - Oil Service Kit 0w-30 - Includes Top Tech 4210 0w-30 504/507 Synthetic Engine Oil and filter. - Assembled By ECS - Audi

Includes Top Tech 4210 0w-30 504/507 Synthetic Engine Oil and filter. 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#:
4680251
Mfg#:
22158KT
In Stock
ON SALE!
$141.99

This product was last offered at the strikethrough price on
06-19-2026

$141.17 USD
Free Shipping
on orders $49 and up

Front & Rear Performance Brake Service Kit - 2-Piece

ES#4159087 - 023938ECS02KT3 - Front & Rear Performance Brake Service Kit - 2-Piece - Comprehensive kit featuring ECS 2-piece cross-drilled and slotted rotors and EBC RedStuff Performance pads - Assembled By ECS - Audi

Comprehensive kit featuring ECS 2-piece cross-drilled and slotted rotors and EBC RedStuff Performance pads 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#:
4159087
Mfg#:
023938ECS02KT3
In Stock
ON SALE!
$2029.99

This product was last offered at the strikethrough price on
03-10-2026

$1879.09 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Basic Oil Separator/Pressure Control Valve (PCV) Service Kit

ES#4781296 - 06M103515HKT - Basic Oil Separator/Pressure Control Valve (PCV) Service Kit - Replace your leaking PCV - Assembled By ECS - Audi Porsche

Replace your leaking PCV 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#:
4781296
Mfg#:
06M103515HKT
In Stock
ON SALE!
$132.99

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

$124.14 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front & Rear Brake Pad Kit - EBC YellowStuff

ES#4159088 - dp42277rKT - Front & Rear Brake Pad Kit - EBC YellowStuff - EBC's premium sport street pad that offers high friction levels and heat fade resistance - EBC - Audi

EBC's premium sport street pad that offers high friction levels and heat fade resistance affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
EBC - Corporate Logo
ES#:
4159088
Mfg#:
DP42277RKT
In Stock
$374.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Audi B9 S4 Carbon Fiber Rear Diffuser

ES#3247439 - 023797ECS01 - Audi B9 S4 Carbon Fiber Rear Diffuser - Hand-laid carbon fiber to upgrade your exterior styling - ECS - Audi

Hand-laid carbon fiber to upgrade your exterior styling affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Fits pre-facelift models (up to 2019) without integrated tips in the rear valance

Brand:
ECS - Corporate Logo
ES#:
3247439
Mfg#:
023797ECS01
In Stock
ON SALE! SAVE 34%
$1029.99

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

$679.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

B9 S4/S5 Turbo Inlet Pipe

ES#4419077 - IEINCK4 - B9 S4/S5 Turbo Inlet Pipe - Take full advantage of all available space with a unique shape to maximize airflow! - Integrated Engineering - Audi

Take full advantage of all available space with a unique shape to maximize airflow! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
4419077
Mfg#:
IEINCK4
In Stock
$177.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear V5 Slotted Brake Rotors - Set (330x22)

ES#4668333 - 4H0615601Q-S - Rear V5 Slotted Brake Rotors - Set (330x22) - Precision manufactured for consistent stopping power during high performance driving. Featuring a matte black zinc coating for corrosion protection. - ECS - Audi

Precision manufactured for consistent stopping power during high performance driving. Featuring a matte black zinc coating for corrosion protection. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4668333
Mfg#:
4H0615601Q-S
In Stock
ON SALE!
$374.99

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

$363.73 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Water Pump - 6 Bolt

ES#4900410 - 06M121013G - Water Pump - 6 Bolt - New water pump. Does not include pulley - Genuine Volkswagen Audi - Audi

New water pump. Does not include pulley affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4900410
Mfg#:
06M121013G
In Stock
2% off MSRP

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

$236.99

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

$232.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Street Density Transmission Mount

ES#3199888 - 0345094025 - Street Density Transmission Mount - Improve the performance of the factory transmission mount - 034Motorsport - Audi

Improve the performance of the factory transmission mount affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with 8-Speed Automatic Transmission

Brand:
034Motorsport - Corporate Logo
ES#:
3199888
Mfg#:
0345094025
In Stock
ON SALE! SAVE 10%
$44.00

This product was last offered at the strikethrough price on
06-28-2026

$39.60 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Stage 2 Dynamic+ Braking Package - Audi B9/B9.5 S4/S5/SQ5

ES#4905873 - 034-301-0009-DSO - Stage 2 Dynamic+ Braking Package - Audi B9/B9.5 S4/S5/SQ5 - The new standard for braking performance upgrades on your Audi B9/B9.5 S4/S5/SQ5 - 034Motorsport - Audi

The new standard for braking performance upgrades on your Audi B9/B9.5 S4/S5/SQ5 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4905873
Mfg#:
034-301-0009-DSO
Ships in 3 Business Days
ON SALE! SAVE 10%
$2728.00

This product was last offered at the strikethrough price on
06-28-2026

$2455.20 USD
Free Shipping

JB4 Bluetooth Wireless Connect Kit - Pinned Power Wire

ES#3514868 - JB4-SPWCK-F - JB4 Bluetooth Wireless Connect Kit - Pinned Power Wire - Wirelessly connect your JB4 to your phone! - Burger Motorsports - Audi BMW Volkswagen Mercedes Benz

Wirelessly connect your JB4 to your phone! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For JB4 systems produced 2017 and later. Please check board diagrams to properly identify your JB4 before ordering.
For use with JB4 only

Brand:
Burger Motorsports - Corporate Logo
ES#:
3514868
Mfg#:
JB4-SPWCK-F
Ships in 4 Business Days
$159.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Diverter Valve

ES#3640324 - 06M145710F - Diverter Valve - Cure the boost leak and restore power - Genuine Volkswagen Audi - Audi

Cure the boost leak and restore power affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3640324
Mfg#:
06M145710F
Ships in 1-2 days
10% off MSRP

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

$178.33

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

$160.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Audi B9 A4/S4 Transmission Street Shield Aluminum Skid Plate

ES#3979295 - 027567ecs01KT - Audi B9 A4/S4 Transmission Street Shield Aluminum Skid Plate - Protect your transmission pan and improve aerodynamics - ECS - Audi

Protect your transmission pan and improve aerodynamics affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3979295
Mfg#:
027567ECS01KT
In Stock
ON SALE! SAVE 15%
$354.99

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

$301.74 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

034Motorsport Catch Can Kit - EA839 S4/S5

ES#4849699 - 034-101-1016 - 034Motorsport Catch Can Kit - EA839 S4/S5 - Engineered for enhanced durability to capture crankcase oil deposits before entering your intake tract - 034Motorsport - Audi

Engineered for enhanced durability to capture crankcase oil deposits before entering your intake tract affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4849699
Mfg#:
034-101-1016
Ships on Aug 31, 2026
Auto Notify
ON SALE! SAVE 10%
$729.00

This product was last offered at the strikethrough price on
06-28-2026

$656.10 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Billet Aluminum Sun Visor Clips - Pair

ES#4623665 - 017491laKT - ECS Billet Aluminum Sun Visor Clips - Pair - Never break another hook on your sun visor clip again! - ECS - Audi

Never break another hook on your sun visor clip again! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4623665
Mfg#:
017491LAKT
In Stock
ON SALE! SAVE 25%
$73.99

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

$55.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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