QUATTRO MEETS PRACTICALITY

B5 through B9 — Audi's compact sedan with available Quattro AWD and turbo power.

Audi A4 HERITAGE

THE QUATTRO COMPACT

The Audi A4 has been the German compact sport sedan since 1994. The B5 (1.8T) launched the tuner-friendly chassis, the B6/B7 added the K04 turbo upgrade culture, and the B8/B9 brought EA888 turbocharged 2.0T engines that share parts with the VW Golf R / Jetta GLI.

MOTORMIA A4 builds span B5 1.8T stage-3 tuners, B7 RS4 V8 swap projects, B8/B9 ECU-tuned dailies, and the S4 supercharged V6 generation. Many parts cross-fit with VW MK6/MK7 platforms.

Audi A4 ON MOTORMIA

THE NUMBERS

3,135
Parts that fit
3,000+
MOTORMIA Builds
EBC
#1 brand by SKUs
$711
Average MSRP

READY TO BUILD YOUR AUDI A4?

Pick your year and trim to shop verified-fit Audi A4 parts.

Shop all Audi A4 parts →

Verified Fitment

Audi A4 Parts

8164 parts available

Shop aftermarket parts for the Audi A4. Verified fitment, free shipping, 30-day returns.

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30-Day Returns
Cylinder Head Gasket AUDI 2976CC 3.0L AVK BGN 2002-2006

Mahle

Cylinder Head Gasket AUDI 2976CC 3.0L AVK BGN 2002-2006

V

Victor Reinz

Exhaust Pipe Flange Gasket - 71-15616-00

NTK EH0022 CAM/CRANK POSITION SENSOR

NGK

NTK EH0022 CAM/CRANK POSITION SENSOR

Engine Valve Cover Gasket - 15-31798-01

Victor Reinz

Engine Valve Cover Gasket - 15-31798-01

AIR FILTER

Denso

AIR FILTER

R1 98-08 Audi A4 (USA/Canada) Front Semi Met Pads & Hardware Kit

R1 Concepts

R1 98-08 Audi A4 (USA/Canada) Front Semi Met Pads & Hardware Kit

R1 96-99 Audi A4 Quattro Front Semi Met Pads & Hardware Kit

R1 Concepts

R1 96-99 Audi A4 Quattro Front Semi Met Pads & Hardware Kit

R1 96-99 Audi A4 (USA/Canada) Front Ceramic Pads & Hardware Kit

R1 Concepts

R1 96-99 Audi A4 (USA/Canada) Front Ceramic Pads & Hardware Kit

R1 20-25 Audi A4 (USA/Canada) Rear Euro Ceramic Pads & Hardware Kit

R1 Concepts

R1 20-25 Audi A4 (USA/Canada) Rear Euro Ceramic Pads & Hardware Kit

R1 08-17 Audi A5 Front Ceramic Brake Pads & Hardware Kit

R1 Concepts

R1 08-17 Audi A5 Front Ceramic Brake Pads & Hardware Kit

R1 2020-2025 Audi A5 Rear R1 Euro Ceramic Pads & Hardware Kit

R1 Concepts

R1 2020-2025 Audi A5 Rear R1 Euro Ceramic Pads & Hardware Kit

R1 00-21 Audi A4 Quattro Rear R1 Ceramic Brake Pads

R1 Concepts

R1 00-21 Audi A4 Quattro Rear R1 Ceramic Brake Pads

R

R1 Concepts

R1 08-17 Audi Q5 (USA/Canada Excl Hybrid) Rear Optimum OE Pads & Hardware Kit

R1 16-25 Audi A4 (Mexico) Front Ceramic Pads & Hardware Kit

R1 Concepts

R1 16-25 Audi A4 (Mexico) Front Ceramic Pads & Hardware Kit

R

R1 Concepts

R1 2016-2021 Audi A4 (Mexico) Rear R1 Euro Ceramic Pads & Hardware Kit

R

R1 Concepts

R1 00-18 Audi A3 Quattro Rear Euro Ceramic Pads & Hardware Kit

R1 2008-2017 Audi A4 Quattro Rear R1 Euro Ceramic Pads & Hardware Kit

R1 Concepts

R1 2008-2017 Audi A4 Quattro Rear R1 Euro Ceramic Pads & Hardware Kit

R1 96-99 Audi A4 Quattro Front Optimum OE Pads & Hardware Kit

R1 Concepts

R1 96-99 Audi A4 Quattro Front Optimum OE Pads & Hardware Kit

R1 2018-2021 Audi A4 Quattro Rear R1 Optimum OE Pads & Hardware Kit

R1 Concepts

R1 2018-2021 Audi A4 Quattro Rear R1 Optimum OE Pads & Hardware Kit

R1 20-25 Audi A5 Rear R1 Optimum OE Brake Pads

R1 Concepts

R1 20-25 Audi A5 Rear R1 Optimum OE Brake Pads

R1 99-08 Audi Allroad Rear Optimum OE Pads & Hardware Kit

R1 Concepts

R1 99-08 Audi Allroad Rear Optimum OE Pads & Hardware Kit

R1 12-17 Audi A4 Quattro Rear Optimum OE Pads & Hardware Kit

R1 Concepts

R1 12-17 Audi A4 Quattro Rear Optimum OE Pads & Hardware Kit

R1 2005-2011 Audi A3 Rear R1 Optimum OE Pads & Hardware Kit

R1 Concepts

R1 2005-2011 Audi A3 Rear R1 Optimum OE Pads & Hardware Kit

R1 1980-2001 Alfa Romeo 164 Rear R1 Optimum OE Pads & Hardware Kit

R1 Concepts

R1 1980-2001 Alfa Romeo 164 Rear R1 Optimum OE Pads & Hardware Kit

R1 08-17 Audi A4 (Mexico) Rear R1 Ceramic Brake Pads

R1 Concepts

R1 08-17 Audi A4 (Mexico) Rear R1 Ceramic Brake Pads

R1 98-08 Audi A4 (USA/Canada) Front R1 Ceramic Brake Pads

R1 Concepts

R1 98-08 Audi A4 (USA/Canada) Front R1 Ceramic Brake Pads

R1 2020-2025 Audi A4 Quattro Rear R1 Optimum OE Pads & Hardware Kit

R1 Concepts

R1 2020-2025 Audi A4 Quattro Rear R1 Optimum OE Pads & Hardware Kit

R1 2020-2025 Audi A6 Quattro Rear R1 Optimum OE Pads & Hardware Kit

R1 Concepts

R1 2020-2025 Audi A6 Quattro Rear R1 Optimum OE Pads & Hardware Kit

R1 08-17 Audi A5 Front Ceramic Pads & Hardware Kit

R1 Concepts

R1 08-17 Audi A5 Front Ceramic Pads & Hardware Kit

R1 97-08 Audi A4 (Mexico) Rear Performance Sport Pads & Hardware Kit

R1 Concepts

R1 97-08 Audi A4 (Mexico) Rear Performance Sport Pads & Hardware Kit

R1 16-25 Audi A4 (Mexico) Front Semi Met Brake Pads and Hardware Kit

R1 Concepts

R1 16-25 Audi A4 (Mexico) Front Semi Met Brake Pads and Hardware Kit

R1 99-08 Audi A6 Quattro Rear Performance Sport Pads & Hardware Kit

R1 Concepts

R1 99-08 Audi A6 Quattro Rear Performance Sport Pads & Hardware Kit

R

R1 Concepts

R1 98-08 Audi A4 (USA/Canada) Front Ceramic Brake Pads & Hardware Kit

C

Clutch Masters

Clutch Masters Audi/VW Flywheel Friction Lock

R

R1 Concepts

R1 16-20 Audi A5 Rear Optimum OE Pads & Hardware Kit

R1 86-24 Audi Allroad Rear R1 Optimum OE Brake Pads

R1 Concepts

R1 86-24 Audi Allroad Rear R1 Optimum OE Brake Pads

R1 16-20 Audi A4 Allroad Rear R1 Optimum OE Brake Pads

R1 Concepts

R1 16-20 Audi A4 Allroad Rear R1 Optimum OE Brake Pads

R1 97-08 Audi A4 (Mexico) Front Semi Met Pads

R1 Concepts

R1 97-08 Audi A4 (Mexico) Front Semi Met Pads

R1 08-17 Audi A4 (USA/Canada) Rear Semi Met Pads & Hardware Kit

R1 Concepts

R1 08-17 Audi A4 (USA/Canada) Rear Semi Met Pads & Hardware Kit

R1 16-21 Audi A5 Sportback Rear R1 Ceramic Brake Pads

R1 Concepts

R1 16-21 Audi A5 Sportback Rear R1 Ceramic Brake Pads

Stainless Bros Bosch MAF Aluminum Flange

Stainless Bros

Stainless Bros Bosch MAF Aluminum Flange

R1 00-18 Audi A4 Quattro Rear Semi Met Pads & Hardware Kit

R1 Concepts

R1 00-18 Audi A4 Quattro Rear Semi Met Pads & Hardware Kit

R1 08-17 Audi A4 (Mexico) Rear Ceramic Brake Pads & Hardware Kit

R1 Concepts

R1 08-17 Audi A4 (Mexico) Rear Ceramic Brake Pads & Hardware Kit

Gates 98-05 Volkswagen Passat 4-Cyl. 1.8L Emission Hose Tee Emission Control Hose

Gates

Gates 98-05 Volkswagen Passat 4-Cyl. 1.8L Emission Hose Tee Emission Control Hose

NGK Laser Iridium Spark Plug Box of 4 (SILFER8C7ES)

NGK

NGK Laser Iridium Spark Plug Box of 4 (SILFER8C7ES)

APR Tuning intake system

APR Tuning

Intake Filter B8 2.0T (323x128) Fits Audi A4 09-16, A4 allroad 17, A4 Quattro 09-16, A5 Quattro 10-17, allroad 13-16, Q5 11-17 APR

APR Tuning intake system

APR Tuning

Intake Filter B6/B7 1.8T/2.0T/3.0L/3.2L/4.2L (263x211) Fits Audi A4 02-09, A4 Quattro 02-09, RS4 07-08, S4 04-09? APR

SPC Performance Replacement Bushing Kit For Audi Control Arms(81353, 81363, 81373)

SPC Performance

SPC Performance Replacement Bushing Kit For Audi Control Arms(81353, 81363, 81373)

Clutch Masters 10-17 Audi S5 B8 3.0L Supercharged Clutch Lines

Clutch Masters

Clutch Masters 10-17 Audi S5 B8 3.0L Supercharged Clutch Lines

Melling intake system

Melling

Intake Valve

Melling exhaust

Melling

Exhaust Valve

Melling auto part

Melling

Rocker Arm

Melling auto part

Melling

Rocker Arm

Melling auto part

Melling

Hydraulic Lifter

Melling auto part

Melling

Hydraulic Lifter

APR Tuning auto part

APR Tuning

CENTER CAP 1, METAL, FORGED, GLOSS B

G

Gates

Gates 20-23 Audi Q5 4-Cyl. 2.0L Electric Assist Serpentine V-Ribbed Belt (E-Start)

Supertech Retainer Audi 2.0T FSI (for Spring SPR-A2416-BE2 Beehive)

Supertech

Supertech Retainer Audi 2.0T FSI (for Spring SPR-A2416-BE2 Beehive)

Supertech Steel Retainer Audi 2.0T FSI- for Spring SPR-A2416 7 Degree

Supertech

Supertech Steel Retainer Audi 2.0T FSI- for Spring SPR-A2416 7 Degree

King Engine Bearings OE Replacement Bi-Metal Rod Bearings for Audi AUK. BKH, BYU

King Engine Bearings

King Engine Bearings OE Replacement Bi-Metal Rod Bearings for Audi AUK. BKH, BYU

FAQ

Frequently Asked Questions About the Audi A4

What are the best aftermarket parts brands for the Audi A4?

The top brands MOTORMIA owners trust for Audi A4 builds are EBC, PowerStop, H&R, Bilstein, and Magnaflow. The catalog carries 3,135 parts that fit the A4. Use the fitment selector to filter to your specific year and trim, then browse by category or brand.

What's the best trim or sub-model of the Audi A4 to modify?

The most-modified A4 trims are S4 (especially B5 / B7 / B8 / B9 supercharged). These trims typically came with performance-focused suspension, brakes, and engine options that give a higher starting point. That said, the A4's engine family (1.8T, 2.0T EA888, 3.0T supercharged (S4), 4.2 V8 (B7 RS4)) shares aftermarket across most trims, so base-trim builds with the right bolt-ons can match higher trims on power.

What's the typical mod path for a Audi A4?

For most Audi A4 builds, the recommended modification order is: ECU tune → intake → downpipe → suspension → turbo upgrade. This sequence stages upgrades so each mod supports the next — tuning unlocks gains from intake/exhaust, suspension keeps the added power planted. MOTORMIA member builds let you see exact part lists for Audi A4 builds at every power level.

How does the Audi A4 aftermarket compare to the BMW 3 Series?

The Audi A4 is the Quattro AWD compact sedan with the EA888 2.0T platform shared across Audi/VW. On MOTORMIA, 3,135 parts fit the A4 across 3,000+ active member builds, with an average part MSRP of $711. The decision usually comes down to which platform you own — both have full bolt-on catalogs.

Will any Audi A4 part fit my year and trim?

Not always. The Audi A4 has had multiple generations and engine changes (e.g., 1.8T, 2.0T EA888, 3.0T supercharged (S4), 4.2 V8 (B7 RS4)), and parts are generation- and trim-specific. MOTORMIA's catalog uses verified fitment data — every product page shows exactly which years and submodels of the A4 a part fits. Use the fitment selector at the top of any page to pre-filter to your build.

Does MOTORMIA offer returns on Audi A4 parts?

Yes. Most Audi A4 parts on MOTORMIA are eligible for our 30-day return policy provided they're unused, uninstalled, and in original packaging. Special-order parts are flagged with a "Special Order" badge on the product page. Manufacturer warranties are processed through MOTORMIA on your behalf.

MOTORMIA APP

Build your Audi A4 with Mia

Personalized Audi A4 mod recommendations, verified fitment from real A4 owners, and a garage that tracks every part on your build.

  • Mod recommendations tuned to your A4 year, trim, and submodel
  • Verified fitment data from 3,000+ Audi A4 member builds
  • Performance gain estimates based on real-world results
  • Save your garage and track every part you've installed