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Audi S4 Most Popular Parts

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Front V5 Drilled & Slotted Brake Rotors - Set (350x34)

ES#4668328 - 4M0615301AN-XS - Front V5 Drilled & Slotted Brake Rotors - Set (350x34) - 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. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4668328
Mfg#:
4M0615301AN-XS
In Stock
ON SALE! SAVE 10%
$525.99

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

$472.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Baffled Oil Catch Can System - Audi B8 S4/S5 3.0T

ES#3142968 - 016632ecs01KT - Performance Baffled Oil Catch Can System - Audi B8 S4/S5 3.0T - Keep your B8 S4/S5 3.0T intake tract clean and carbon free - ECS - Audi

Keep your B8 S4/S5 3.0T intake tract clean and carbon free 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3142968
Mfg#:
016632ECS01KT
In Stock
ON SALE! SAVE 20%
$682.99

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

$546.39 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

High Pressure Fuel Pump

ES#3419174 - 07L127026AK - High Pressure Fuel Pump - Located on the left cylinder head - Hitachi - Audi Volkswagen

Located on the left cylinder head

Brand:
Hitachi - Corporate Logo
ES#:
3419174
Mfg#:
07L127026AK
In Stock
$851.99

This product was last offered at the strikethrough price on
04-30-2026

$520.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Aero Wiper Blade Set

ES#2739371 - 3397007297 - Front Aero Wiper Blade Set - Clear up streaks & improve rainy day visibility - Bosch - Audi Volkswagen Porsche
ECS Tuning recommends this product.

Clear up streaks & improve rainy day visibility 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
2739371
Mfg#:
3397007297
In Stock
$24.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front & Rear Brake Pad Kit - EBC RedStuff

ES#4031339 - dp32254cKT - Front & Rear Brake Pad Kit - EBC RedStuff - High performance street pad featuring Kevlar technology. - EBC - Audi

High performance street pad featuring Kevlar technology. 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
EBC - Corporate Logo
ES#:
4031339
Mfg#:
DP32254CKT
In Stock
$348.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Shocks & Struts Set - Sport B8

ES#2724033 - 8T0413031AFKT - Shocks & Struts Set - Sport B8 - Recommended for vehicles with lowering springs - Bilstein - Audi

Recommended for vehicles with lowering springs 2X Entries For Our 25th Anniversary Sweepstakes!

Vehicles equipped with Electronic Damping Control (EDC) will lose shock dampening and receive a system error code

Brand:
Bilstein - Corporate Logo
ES#:
2724033
Mfg#:
8T0413031AFKT
Ships on Sep 18, 2026
Auto Notify
$1095.99

This product was last offered at the strikethrough price on
05-22-2026

$900.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Spark Plugs - Set Of Six

ES#3691957 - 06m905606fKT - Spark Plugs - Set Of Six - Keep your engine running strong - Genuine Volkswagen Audi - Audi

Keep your engine running strong

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3691957
Mfg#:
06M905606FKT
In Stock
$87.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

034Motorsport PCV Breather Hose - EA839 3.0T

ES#4849697 - 034-101-3108 - 034Motorsport PCV Breather Hose - EA839 3.0T - Upgrade your failure-prone PCV breather hose with the high-performance, reliable 034Motorsport PCV Breather Hose - 034Motorsport - Audi

Upgrade your failure-prone PCV breather hose with the high-performance, reliable 034Motorsport PCV Breather Hose

Brand:
034Motorsport - Corporate Logo
ES#:
4849697
Mfg#:
034-101-3108
Back Ordered
Auto Notify
$249.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Brake Rotors - Pair (330x22)

ES#2597382 - 4H0615601HZIMKT - Rear Brake Rotors - Pair (330x22) - Featuring Zimmermann's "Coat Z" coating for corrosion resistance - Zimmermann - Audi
ECS Tuning recommends this product.

Featuring Zimmermann's "Coat Z" coating for corrosion resistance 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Zimmermann - Corporate Logo
ES#:
2597382
Mfg#:
4H0615601HZIMKT
In Stock
$185.98 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

BKR9EIX Spark Plugs - Set Of Six

ES#3991431 - bkr9eixKT - BKR9EIX Spark Plugs - Set Of Six - The NGK Iridium IX offers extreme ignitability, improved throttle response and superior anti fouling properties. - NGK - Audi

The NGK Iridium IX offers extreme ignitability, improved throttle response and superior anti fouling properties. We Price Match - Give Us A Call or Chat!
Recommended to be used by various tuners when paired with performance software - recommended gap of .024” +/- .002”

Brand:
NGK - Corporate Logo
ES#:
3991431
Mfg#:
BKR9EIXKT
In Stock
$48.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Charcoal Lined Cabin Air Filter

ES#3448685 - 4M0819439A - Charcoal Lined Cabin Air Filter - The activated charcoal filters odor from reaching the cabin - Hengst - Audi Porsche
ECS Tuning recommends this product.

The activated charcoal filters odor from reaching the cabin 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat! Hengst is our preferred OEM filtration supplier!

Brand:
Hengst - Corporate Logo
ES#:
3448685
Mfg#:
4M0819439A
In Stock
$24.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Audi B8 S4 / A4 S-Line Pre-Facelift Front Lip - Gloss Black

ES#4164865 - 028805ecs01KT - Audi B8 S4 / A4 S-Line Pre-Facelift Front Lip - Gloss Black - Upgrade your exterior styling! - ECS - Audi

Upgrade your exterior styling! 10X Entries For Our 25th Anniversary Sweepstakes!

For vehicles up to the 2012 model year (Pre-Facelift)

Brand:
ECS - Corporate Logo
ES#:
4164865
Mfg#:
028805ECS01KT
In Stock
ON SALE! SAVE 25%
$315.99

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

$236.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

FDS Front-Mount Intercooler Kit - Silver

ES#3470702 - IETPCK1 - FDS Front-Mount Intercooler Kit - Silver - Increase horsepower and eliminate heatsoak - Drop-in intercooler requires no cutting, trimming, or mods! - Integrated Engineering - Audi

Increase horsepower and eliminate heatsoak - Drop-in intercooler requires no cutting, trimming, or mods! 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
3470702
Mfg#:
IETPCK1
Ships in 4 Business Days
$1034.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

IE Cat-Back Exhaust System - B9/B9.5 S4

ES#4709360 - IEEXCK5 - IE Cat-Back Exhaust System - B9/B9.5 S4 - Delivers a truly aggressive exhaust note without any annoying drone or rasp - Integrated Engineering - Audi

Delivers a truly aggressive exhaust note without any annoying drone or rasp 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
4709360
Mfg#:
IEEXCK5
In Stock
$1687.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front & Rear Brake Service Kit

ES#2597361 - 8K0698301MKT1 - Front & Rear Brake Service Kit - Featuring Zimmermann rotors and Akebono Euro Ceramic brake pads - Assembled By ECS - Audi
ECS Tuning recommends this product.

Featuring Zimmermann rotors and Akebono Euro Ceramic brake pads 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2597361
Mfg#:
8K0698301MKT1
Ships in 10 Business Days
Auto Notify
ON SALE!
$649.57 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B9 (S4/S5/SQ5) – Pure750 Upgraded Turbocharger

ES#4642701 - PURE-30T750KT - Audi B9 (S4/S5/SQ5) Pure750 Upgraded Turbocharger - Crank up your B9 over 700+awhp with this kit! Price includes a $800.00 refundable core charge. - Pure Turbos - Audi

Crank up your B9 over 700+awhp with this kit! Price includes a $800.00 refundable core charge.

Brand:
Pure Turbos - Corporate Logo
ES#:
4642701
Mfg#:
PURE-30T750KT
Ships on Aug 20, 2026
Auto Notify
$3426.99

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

$3300.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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