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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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Brake Pad Wear Sensor - Rear

ES#4818681 - 8W0615121E - Brake Pad Wear Sensor - Rear - Alerts you to brake pad wear before it is critically low - Bremmen Parts - Audi

Alerts you to brake pad wear before it is critically low affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818681
Mfg#:
8W0615121E
In Stock
ON SALE!
$25.00

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

$24.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

SuperDuper Turbo Inlet Pipe

ES#4642915 - 034-108-5036 - SuperDuper Turbo Inlet Pipe - Designed to maximize performance for Dynamic+ Stage 3 Hybrid Turbo Tuning Software - 034Motorsport - Audi

Designed to maximize performance for Dynamic+ Stage 3 Hybrid Turbo Tuning Software affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4642915
Mfg#:
034-108-5036
In Stock
ON SALE! SAVE 10%
$180.00

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

$162.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

IE HPFP Internal Upgrade Kit

ES#4706078 - iefuvz1KT - IE HPFP Internal Upgrade Kit - The largest volume possible piston and cylinder design to unlock fuel delivery for hybrid turbos and Stage 1/2 Plus ECU tunes. - Integrated Engineering - Audi

The largest volume possible piston and cylinder design to unlock fuel delivery for hybrid turbos and Stage 1/2 Plus ECU tunes. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
4706078
Mfg#:
IEFUVZ1KT
Ships in 2 Business Days
$448.99 USD
Free Shipping
on orders $49 and up

19" Style 628 Wheels - Set Of Four

ES#2608946 - 628-7KT - 19" Style 628 Wheels - Set Of Four - 19"x8.5" ET45 5x112 66.6CB - Gloss Gunmetal/Machined Face - Alzor - Audi MINI

19"x8.5" ET45 5x112 66.6CB - Gloss Gunmetal/Machined Face affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Wheel spacers may be necessary for front caliper clearance

Brand:
Alzor - Corporate Logo
ES#:
2608946
Mfg#:
628-7KT
In Stock
ON SALE! SAVE 40%
$1300.00

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

$779.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front EP24 "Enthusiast Performance" Brake Pad Set

ES#4739100 - EP24-1894 - Front EP24 "Enthusiast Performance" Brake Pad Set - This enthusiast-developed high-performance street and light track pad offers an ideal solution for the spirited commuter and weekend autocross driver alike. - ECS - Audi

This enthusiast-developed high-performance street and light track pad offers an ideal solution for the spirited commuter and weekend autocross driver alike. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4739100
Mfg#:
EP24-1894
In Stock
ON SALE! SAVE 35%
$180.99

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

$117.44 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front BlueStuff Performance Brake Pads

ES#4031310 - DP52277NDX - Front BlueStuff Performance Brake Pads - Race inspired performance, NDX formula provides a great initial bite - EBC - Audi

Race inspired performance, NDX formula provides a great initial bite affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
EBC - Corporate Logo
ES#:
4031310
Mfg#:
DP52277NDX
In Stock
$237.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cabin Air Filter - Priced Each

ES#4829743 - 4M0819439C - Cabin Air Filter - Priced Each - Genuine Volkswagen Audi - Audi

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4829743
Mfg#:
4M0819439C
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.

$57.99

This product was last offered at the strikethrough price on
07-06-2026

$56.99 USD
Free Shipping
on orders $49 and up

VWR Stud & Nut Conversion Kit - R13 Ball Seat - 80mm Studs

ES#4315342 - VWR630002 - VWR Stud & Nut Conversion Kit - R13 Ball Seat - 80mm Studs - Replace those fussy bolts with Racingline's high tensile stud & lightweight nut conversion - Racingline - Audi Volkswagen

Replace those fussy bolts with Racingline's high tensile stud & lightweight nut conversion affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Racingline - Corporate Logo
ES#:
4315342
Mfg#:
VWR630002
Ships in 7 Business Days
ON SALE! SAVE 10%
$206.99

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

$185.64 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

18" Style 349 Wheels - Set Of Four

ES#2642635 - 349AKT1 - 18" Style 349 Wheels - Set Of Four - 18x8 ET35 5x112 66.6CB - Hyper Silver - Alzor - Audi MINI

18x8 ET35 5x112 66.6CB - 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#:
2642635
Mfg#:
349AKT1
In Stock
ON SALE! SAVE 25%
$1166.99

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

$875.01 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Tuning Ultimate Audi B9 Street Shield Kit

ES#3612458 - 019207ecs01KT5 - ECS Tuning Ultimate Audi B9 Street Shield Kit - Get the ultimate under body protection for your B9! - ECS - Audi

Get the ultimate under body protection for your B9! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3612458
Mfg#:
019207ECS01KT5
In Stock
ON SALE!
$1045.99

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

$1014.61 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet Oil Filter Housing - EA839 2.9T/3.0T

ES#4505824 - 034-110-9003 - Billet Oil Filter Housing - EA839 2.9T/3.0T - CNC machined from 6061-T6 aluminum and anodized bright black for lifelong great looks - 034Motorsport - Audi

CNC machined from 6061-T6 aluminum and anodized bright black for lifelong great looks affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4505824
Mfg#:
034-110-9003
In Stock
ON SALE! SAVE 10%
$143.00

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

$128.70 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Air Filter

ES#3676784 - 8W0133843 - Air Filter - Keep clean air running through your engine - Hengst - Audi
ECS Tuning recommends this product.

Keep clean air running through your engine affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 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#:
3676784
Mfg#:
8W0133843
In Stock
$39.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

P34 Cold Air Intake

ES#4381931 - 034-108-1028 - P34 Cold Air Intake - 034Motorsport's P34 Cold Air Intake System delivers improved power, sound, and acceleration - 034Motorsport - Audi

034Motorsport's P34 Cold Air Intake System delivers improved power, sound, and acceleration affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4381931
Mfg#:
034-108-1028
In Stock
ON SALE! SAVE 10%
$556.00

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

$500.40 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing

ES#4930699 - 06M121115P - Thermostat Housing - Common point of failure for the cooling system. - Genuine Volkswagen Audi - Audi

Common point of failure for the cooling system. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4930699
Mfg#:
06M121115P
In Stock
1% off MSRP

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

$210.00

This product was last offered at the strikethrough price on
07-06-2026

$206.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front & Rear Brake Service Kit

ES#4830256 - 4M0615301AN8KT - Front & Rear Brake Service Kit - Featuring Zimmermann Cross-Drilled rotors and ECS DD23 Daily Driver ceramic pads - Includes set screws, brake wear sensors, and silicone brake lubricant - Assembled By ECS - Audi

Featuring Zimmermann Cross-Drilled rotors and ECS DD23 Daily Driver ceramic pads - Includes set screws, brake wear sensors, and silicone brake lubricant 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#:
4830256
Mfg#:
4M0615301AN8KT
In Stock
ON SALE! SAVE 30%
$1070.99

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

$749.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet Aluminum Rear Subframe Mount Insert Kit

ES#3247809 - 034-601-0046 - Billet Aluminum Rear Subframe Mount Insert Kit - Maintain proper suspension geometry when cornering and reduce rear subframe movement - 034Motorsport - Audi

Maintain proper suspension geometry when cornering and reduce rear subframe movement affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
3247809
Mfg#:
034-601-0046
Back Ordered
Auto Notify
ON SALE! SAVE 10%
$208.00

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

$187.20 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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