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Audi B9 A4 Quattro 2.0T

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Audi B9 A4 Quattro 2.0T Most Popular Parts

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Front DD23 "Daily Driver" Ceramic Brake Pad Set

ES#4739036 - DD23-1897 - Front DD23 "Daily Driver" Ceramic Brake Pad Set - This enthusiast-developed pad offers confident stopping power, very low dust, quiet braking, and a positive initial bite. The perfect choice for your daily-driven Euro! - ECS - Audi

This enthusiast-developed pad offers confident stopping power, very low dust, quiet braking, and a positive initial bite. The perfect choice for your daily-driven Euro! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4739036
Mfg#:
DD23-1897
In Stock
ON SALE! SAVE 20%
$179.99

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

$143.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Driveshaft Center Support Bearing Carrier Insert Kit

ES#4620276 - JHM-DCSBCI-AUDI - Driveshaft Center Support Bearing Carrier Insert Kit - No cutting requited! - JH Motorsports - Audi

No cutting requited! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
JH Motorsports - Corporate Logo
ES#:
4620276
Mfg#:
JHM-DCSBCI-AUDI
In Stock
$139.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Stainless Steel Brake Rotor Set Screw - Priced Each

ES#257461 - 92010A426 - Stainless Steel Brake Rotor Set Screw - Priced Each - Holds brake rotor to hub when wheel is removed (M6x16). 18-8 stainless material provides added protection against oxidation and corrosion. - ECS - Audi Volkswagen Porsche

Holds brake rotor to hub when wheel is removed (M6x16). 18-8 stainless material provides added protection against oxidation and corrosion. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
257461
Mfg#:
92010A426
In Stock
ON SALE! SAVE 25%
$3.99

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

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

P34 Cold Air Intake System *ROW Models*

ES#4147633 - 034-108-1023 - P34 Cold Air Intake System *ROW Models* - Delivers improved power, sound, and acceleration to B9 Audi A4/Allroad & A5 owners in a clean OEM+ package. - 034Motorsport - Audi

Delivers improved power, sound, and acceleration to B9 Audi A4/Allroad & A5 owners in a clean OEM+ package. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
*The 034Motorsport P34 Cold Air Intake ROW (Rest of World, i.e. - non-North American region) is only for vehicles with a MAF attached directly to the fac

Brand:
034Motorsport - Corporate Logo
ES#:
4147633
Mfg#:
034-108-1023
In Stock
$551.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

IABED Billet Aluminum Rear Main Seal Upgrade - With Installation Tool & Sealant

ES#4069852 - 462-103-171FKT - IABED Billet Aluminum Rear Main Seal Upgrade - With Installation Tool & Sealant - Permanent fix for that leaking rear main seal. Includes recommended installation tool and Dirko sealant to complete the job. - Assembled By ECS - Audi Volkswagen

Permanent fix for that leaking rear main seal. Includes recommended installation tool and Dirko sealant to complete the job. 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#:
4069852
Mfg#:
462-103-171FKT
Back Ordered
Auto Notify
$134.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Fuel Injector - Priced Each

ES#4840254 - 06L906036AH - Fuel Injector - Priced Each - Keep your engine running smooth - Bosch - Audi

Keep your engine running smooth 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:
Bosch - Corporate Logo
ES#:
4840254
Mfg#:
06L906036AH
In Stock at Vendor
$120.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Axle Assembly - Priced Each

ES#4339633 - NCV23025 - Front Axle Assembly - Priced Each - Includes inner and outer CV joints - GSP North America - Audi

Includes inner and outer CV joints affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with DSG transmission only

Brand:
GSP North America - Corporate Logo
ES#:
4339633
Mfg#:
NCV23025
Ships in 1-3 days
$216.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Mann Oil Filter - Pack Of 5

ES#2807583 - 06K115562KT - Mann Oil Filter - Pack Of 5 - Stock up and save! - Mann - Audi Volkswagen Porsche

Stock up and save! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mann - Corporate Logo
ES#:
2807583
Mfg#:
06K115562KT
In Stock
$51.99 USD
Free Shipping
on orders $49 and up

Cabin Air Filter - Blue.care Bioactive

ES#4019211 - 4M0819439B - Cabin Air Filter - Blue.care Bioactive - Cleans the air for the climate control system before it enters the cabin - Hengst - Audi Porsche
ECS Tuning recommends this product.

Cleans the air for the climate control system before it enters the cabin 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#:
4019211
Mfg#:
4M0819439B
In Stock
$45.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

0w-30 Top Tec 4210 Synthetic Engine Oil - 1 Liter

ES#4339885 - 22156 - 0w-30 Top Tec 4210 Synthetic Engine Oil - 1 Liter - Fully synthetic, low-viscosity and low-SAPS motor oil developed for VAG 504.00/507.00 and BMW Longlife-04 specifications - Liqui-Moly - Audi BMW Volkswagen Porsche

Fully synthetic, low-viscosity and low-SAPS motor oil developed for VAG 504.00/507.00 and BMW Longlife-04 specifications 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!

Brand:
Liqui-Moly - Corporate Logo
ES#:
4339885
Mfg#:
22156
In Stock
35% off MSRP

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

$18.95

This product was last offered at the strikethrough price on
06-24-2026

$12.29 USD
Free Shipping
on orders $49 and up

19" Style 370 Wheels - Set Of Four

ES#4629995 - 370-2KT - 19" Style 370 Wheels - Set Of Four - 19"x8.5" ET35 66.6CB 5x112 - Gloss Gunmetal - Alzor - Audi BMW MINI

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

Brand:
Alzor - Corporate Logo
ES#:
4629995
Mfg#:
370-2KT
In Stock
ON SALE! SAVE 56%
$1327.99

This product was last offered at the strikethrough price on
01-03-2026

$585.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ignition Coils - Set Of Four

ES#4415284 - 06L905110HKT - Ignition Coils - Set Of Four - Keep your engine running strong (K Revision) - Genuine Volkswagen Audi - Audi Volkswagen

Keep your engine running strong (K Revision) affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4415284
Mfg#:
06L905110HKT
In Stock
$387.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet Aluminum Front Strut Brace - Audi B9 A4/A5/S4/S5/RS5

ES#3188267 - 019218ECS01 - Billet Aluminum Front Strut Brace - Audi B9 A4/A5/S4/S5/RS5 - Provides additional support to the strut towers for flex reduction to enhance your driving experience - ECS - Audi

Provides additional support to the strut towers for flex reduction to enhance your driving experience affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3188267
Mfg#:
019218ECS01
In Stock
ON SALE! SAVE 20%
$383.99

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

$306.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Brake Service Kit

ES#4460869 - 8w0615301p2KT - Front Brake Service Kit - Features ECS DD23 "Daily Driver" ceramic pads and Zimmerman rotors - Assembled By ECS - Audi

Features ECS DD23 "Daily Driver" ceramic pads and Zimmerman rotors 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#:
4460869
Mfg#:
8W0615301P2KT
In Stock
ON SALE!
$434.99

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

$395.74 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear YellowStuff Performance Brake Pad Set

ES#4031325 - DP42254R - Rear YellowStuff Performance Brake Pad Set - 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#:
4031325
Mfg#:
DP42254R
In Stock
5% off MSRP

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

$151.59

This product was last offered at the strikethrough price on
01-08-2026

$144.01 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Stainless Steel Braided Line Kit

ES#4635698 - 034-303-0015 - Stainless Steel Braided Line Kit - Features telfon linings, stainless steel braided reinforcement, and a protective black PVC covering. - 034Motorsport - Audi

Features telfon linings, stainless steel braided reinforcement, and a protective black PVC covering. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4635698
Mfg#:
034-303-0015
In Stock
$195.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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