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.

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Verified Fitment

Audi A4 Parts

8105 parts available

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

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FOUR SEASONS auto part

FOUR SEASONS

COOLANT FLANGE

DEA PRODUCTS auto part

DEA PRODUCTS

1995-2006 AUDI

FOUR SEASONS auto part

FOUR SEASONS

HOSE ASSEMBLY

DELPHI auto part

DELPHI

CTRL ARM & BALL JNT ASSEM

R auto part

R/M BRAKES

BRAKE PAD SET

FOUR SEASONS auto part

FOUR SEASONS

EXPANSION VALVE

R auto part

R/M BRAKES

BRAKE PAD SET

GB REMAN INC auto part

GB REMAN INC

FUEL FEED LINE

DELPHI auto part

DELPHI

CRANKSHAFT PULSE SENSOR

DELPHI auto part

DELPHI

CAMSHAFT POSITION SENSOR

STANDARD IGN auto part

STANDARD IGN

SPEED SENSOR

R auto part

R/M BRAKES

BRAKE PAD SET

R auto part

R/M BRAKES

BRAKE PAD SET

DELPHI auto part

DELPHI

ENGINE CAMSHAFT POSITION SENSOR

STANDARD IGN auto part

STANDARD IGN

MASS AIR FLOW SENSOR CONNECTOR

FOUR SEASONS auto part

FOUR SEASONS

PULLEY

DELPHI springs

DELPHI

SUSPENSION COIL SPRING SEAT

COVERKING auto part

COVERKING

DASHCV A4 SED POLY C96-01

STANDARD IGN auto part

STANDARD IGN

CAM/CRANK SENS

DELPHI auto part

DELPHI

STABILIZER BAR LINK

STANDARD IGN auto part

STANDARD IGN

CRANK SENS

FOUR SEASONS auto part

FOUR SEASONS

CAP & VALVE A/C SYSTEM SE

R auto part

R/M BRAKES

FRICTION BRAKES

G.S.I.SPORTS auto part

G.S.I.SPORTS

ESSENTIAL SPOON- LONG

F

FOUR SEASONS

BLOWERMOTOR RESISTOR

DELPHI auto part

DELPHI

CTRL ARM

DELPHI auto part

DELPHI

STABILIZER BAR LINK

DEA PRODUCTS auto part

DEA PRODUCTS

1974-2005 VOLKSWAGEN

FOUR SEASONS auto part

FOUR SEASONS

ORANGEORIFICETUBE10PKG

FOUR SEASONS auto part

FOUR SEASONS

HEATER CORE

DELPHI auto part

DELPHI

STABILIZER BAR LINK

DELPHI auto part

DELPHI

CTRL ARM & BALL JNT ASSEM

DELPHI auto part

DELPHI

MAP SENSOR

FOUR SEASONS auto part

FOUR SEASONS

HEATER CORE

FOUR SEASONS air filter

FOUR SEASONS

FILTER DRIER

DELPHI auto part

DELPHI

STEERING TIE ROD END

FOUR SEASONS auto part

FOUR SEASONS

EXPANSION VALVE

DELPHI auto part

DELPHI

CTRL ARM BUSHING

DEA PRODUCTS auto part

DEA PRODUCTS

ENGINE MOUNT

DELPHI auto part

DELPHI

LATERAL ARM

FOUR SEASONS auto part

FOUR SEASONS

SYS MNT BINARY PRESS SW

DELPHI auto part

DELPHI

TIE ROD ASSEMBLY

R

R/M BRAKES

FRICTION BRAKES

R auto part

R/M BRAKES

BRAKE PAD SET

DELPHI auto part

DELPHI

TIE ROD END

DELPHI auto part

DELPHI

STABILIZER BAR BUSHING

DELPHI auto part

DELPHI

STEERING TIE ROD END

FOUR SEASONS auto part

FOUR SEASONS

BLOCK TYPE EXPANSION VALVE W/O SOLE

D

DELPHI

LATERAL ARM

R auto part

R/M BRAKES

BRAKE PAD SET

DELPHI auto part

DELPHI

TIE ROD END

FOUR SEASONS auto part

FOUR SEASONS

RECIRCULATE ACTUATOR

DELPHI auto part

DELPHI

STABILIZER BAR LINK

STANDARD IGN auto part

STANDARD IGN

CAM/CRANK SENS

FOUR SEASONS auto part

FOUR SEASONS

FLOOR MODE ACTUATOR

FOUR SEASONS auto part

FOUR SEASONS

PRESSURE SWITCH

FOUR SEASONS auto part

FOUR SEASONS

DISCHARGE LINE HOSE ASSEMBLY

DELPHI auto part

DELPHI

CTRL ARM & BALL JNT ASSEM

DELPHI auto part

DELPHI

STABILIZER BAR BUSHING

DELPHI auto part

DELPHI

STABILIZER BAR BUSHING

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