QUATTRO MEETS PRACTICALITY
B5 through B9 — Audi's compact sedan with available Quattro AWD and turbo power.
Audi A4 HERITAGE
THE QUATTRO COMPACT
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
CATEGORIES
Top product categories for the Audi A4
BRANDS
Top brands for Audi A4 builds
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 Category drivetrain Parts
300 parts available
Shop aftermarket parts for the Audi A4. Verified fitment, free shipping, 30-day returns.

Exedy
Exedy Flywheel

South Bend Clutch
South Bend / DXD Racing Clutch 97-05 Audi A4/A4 Quattro B5 1.8T Stg 2 Daily Clutch Kit

South Bend Clutch
South Bend Clutch 97-05 VW Passat L 1.8T - Stg 4 Extreme Clutch Kit - No Flywheel

South Bend Clutch
South Bend / DXD Racing Clutch 09+ Audi A4 2.0L Turbo Stg. 2 Endurance Clutch Kit

Advanced Clutch
ACT 06-08 Audi A4 (B7) XACT Flywheel Streetlite

South Bend Clutch
South Bend / DXD Racing Clutch 96-01 Audi A4/A4 Quattro AHA/ATQ 2.8L Stg 2 Daily Clutch Kit

Advanced Clutch
ACT 1997 Audi A4 HD/Perf Street Rigid Clutch Kit

South Bend Clutch
South Bend / DXD Racing Clutch 97-05 Audi A4/A4 Quattro B5 1.8T Stg 3 Endur Clutch Kit

South Bend Clutch
South Bend / DXD Racing Clutch 96-97 Audi S6 20V AAN (Sol FW Conv) 2.2T Stg 4 Extr Clutch Kit w/ FW

Clutch Masters
Clutch Masters 05-08 Audi A4 Quattro 2.0T B7 6-Speed FX400 8-Puck Clutch Kit - 495ft/lbs Torque

South Bend Clutch
South Bend / DXD Racing Clutch 96-01 Audi A4/A4 Quattro AHA/ATQ 2.8L Stg 3 Endur Clutch Kit

South Bend Clutch
South Bend / DXD Racing Clutch 05-08 Audi A4/A4 Quattro B6/B7 2.0T Stg 2 Drag Clutch Kit (w/ FW)

Advanced Clutch
ACT 1997 Audi A4 HD/Race Rigid 4 Pad Clutch Kit

South Bend Clutch
South Bend / DXD Racing Clutch 96-01 Audi A4/A4 Quattro AHA/ATQ 2.8L Stg 4 Extreme Clutch Kit

DEA PRODUCTS
1995-2006 AUDI
Dana
THERMOSTAT GASKET

Dana
EXHAUST MANIFOLD GASKET SET

Dana
OIL PAN GASKET
Dana
EXHAUST PIPE GASKET

Dana
VALVE COVER GASKET SET

Dana
HEAD BOLT SET

Bosch
COMPRESSION SPRING

034Motorsport
FLYWHEEL, 1.8T W/B7 RS4 CLUTCH

034Motorsport
FLYWHEEL, B7 A4 2.0T RS4
Centerforce
Centerforce Dual Friction Clutch Pressure Plate and Disc Set - DF205189

TRAKMOTIVE
DRIVE SHAFT
VALEO
V-RF40 LED LIGHT BAR DRIVING KIT
VALEO
LED FOG LIGHT BAR

TRAKMOTIVE
CV AXLE SHAFT

TRAKMOTIVE
CV AXLE SHAFT

TRAKMOTIVE
NEW CV AXLE

TRAKMOTIVE
NEW CV AXLE

TRAKMOTIVE
ALL NEW CV AXLE
TRAKMOTIVE
ALL NEW CV AXLE
VALEO
V-RF50 LED LIGHT BAR COMBO KIT
USA Standard (Yukon)
Manual Transmission Bearing Kit 89 and UP VW Black Rear Cover

TRAKMOTIVE
CV AXLE SHAFT

TRAKMOTIVE
NEW CV AXLE

TRAKMOTIVE
NEW CV AXLE

TRAKMOTIVE
NEW CV AXLE

TRAKMOTIVE
NEW CV AXLE

USA Standard (Yukon)
USA Standard Manual Transmission Bearing Kit 1989 VW Black Rear Cover M T BEARING KIT 89 UP VW BLA

TRAKMOTIVE
CV AXLE SHAFT

TRAKMOTIVE
NEW CV AXLE

TRAKMOTIVE
NEW CV AXLE

TRAKMOTIVE
NEW CV AXLE

TRAKMOTIVE
NEW CV AXLE
USA Standard (Yukon)
USA Standard Manual Transmission Bearing Kit 1989 VW Black Rear Cover w Synchro M T BEARING KIT 89

TRAKMOTIVE
CV AXLE SHAFT

TRAKMOTIVE
ALL NEW CV AXLE

TRAKMOTIVE
CV AXLE SHAFT
TRAKMOTIVE
DRIVE SHAFT
TRAKMOTIVE
ALL NEW CV AXLE

TRAKMOTIVE
CV AXLE SHAFT

TRAKMOTIVE
NEW CV AXLE

TRAKMOTIVE
CV AXLE SHAFT

TRAKMOTIVE
NEW CV AXLE

TRAKMOTIVE
NEW CV AXLE

TRAKMOTIVE
ALL NEW CV AXLE

TRAKMOTIVE
ALL NEW CV AXLE
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