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:brakes Parts
2156 parts available
Shop aftermarket parts for the Audi A4. Verified fitment, free shipping, 30-day returns.

R1 Concepts
R1 Concepts Brake Rotors - Carbon Coated w/ Optimum Oe Pads Hdw Fits Audi A4
R1 Concepts
R1 Concepts Disc Brake Kit Fits Audi A4
R1 Concepts
R1 Concepts Brake Rotor- D/S - Silver Fits Audi A4
R1 Concepts
R1 Concepts Disc Brake Rotor Set Fits Porsche 924

R1 Concepts
R1 Concepts GEOSPEC Coated Rotor
R1 Concepts
R1 08-12 Audi A4 Front & Rear Drilled & Slotted Silver Brake Rotor Set
R1 Concepts
DFC 08-11 Audi A5 Quattro Front Drill/Slot Geoperformance Rotors Euro 5000 Ceramic Pads w/Hardware

R1 Concepts
DFC 02-06 Audi A4 Rear Drilled & Slotted Geoperformance Rotors 5000 Advanced Brake Pads w/Hardware
R1 Concepts
R1 Concepts Brake Rotors - Carbon Coated w/ Optimum Oe Pads Hdw Fits Audi TT

R1 Concepts
R1 Concepts Disc Brake Kit Fits Audi A4
R1 Concepts
R1 Concepts Brake Rotors - Carbon Coated w/ Euro Ceramic Pads Snsr Hdw

R1 Concepts
DFC 00-08 Audi A4 Rear Drilled & Slotted Geoperformance Rotors

R1 Concepts
DFC 92-8 Audi A4 Quattro Front Drilled & Slotted Geoperformance Rotors

R1 Concepts
R1 Concepts Brake Rotor- Slotted - Black Fits Audi A4

R1 Concepts
R1 Concepts Brake Rotor- Carbon Coated with Ceramic Pads Hdw Fits Audi A4
R1 Concepts
R1 Concepts GEOSPEC Coated Rotor Fits Audi A4
R1 Concepts
R1 Concepts Brake Rotor- Carbon Coated with Ceramic Pads Hdw Fits Audi A4

R1 Concepts
R1 Concepts Brake Rotor- D/S - Black Fits Audi A4

R1 Concepts
R1 00-09 Audi A4 Front & Rear Drilled & Slotted Silver Brake Rotor Set

R1 Concepts
R1 Concepts Brake Rotor- Blank Fits Audi A6

AKEBONO
Euro Ultra-Premium Brake Pads - Rear

WAGNER BRAKE
SEMI-MET BRAKE PADS

TIMKEN
PRESET PRE-GREASED AND PRE-SEALED
TIMKEN
HA590924;A/AM-HUB BRG

TIMKEN
PRESET PREGREASED PRESEALED BRG M

TIMKEN
PRESET PRE-GREASED AND PRE-SEALED

WAGNER BRAKE
SEMI-MET BRAKE PADS

WAGNER BRAKE
SEMI-MET BRAKE PADS

WAGNER BRAKE
SEMI-MET DISC PAD SET

TIMKEN
PRESET PREGREASED PRESEALED BRG M

WAGNER BRAKE
SEMI-MET BRAKE PADS

WAGNER BRAKE
CERAMIC DISC PAD SET
STANDARD IGN
ABS SENSOR HARNESS

STANDARD IGN
BRAKE BOOST SENSOR
R/M BRAKES
DISC PAD

STANDARD IGN
ABS SENSOR HARNESS
R/M BRAKES
BRAKE PAD SET

DELPHI
ABS SPEED SENSOR

DELPHI
ABS SPEED SENSOR

BOWER BCA
BRNG
BOWER BCA
BALL BEARING

R/M BRAKES
DISC BRAKE PAD

R/M BRAKES
NS DISC PAD

R/M BRAKES
BRAKE PAD SET
R/M BRAKES
BRAKE PAD SET

STANDARD IGN
SPEED SENSOR

R/M BRAKES
BRAKE PAD SET

DELPHI
ABS WHEEL SPEED SENSOR
A1 REMFG INC
PARKING BRAKE MOTORS

A1 REMFG INC
AUDI A5 QUATTRO 11-08 F/L
A1 REMFG INC
UNLOAD BRAKE CALIPER IMP
A1 REMFG INC
FRICTION CHOICE CALIPERS

A1 REMFG INC
IMP UNLOADED CALIPERS

A1 REMFG INC
FRICTION CHOICE CALIPERS
A1 REMFG INC
FRICTION CHOICE CALIPERS

A1 REMFG INC
IMP UNLOADED CALIPERS
A1 REMFG INC
UNLOAD BRAKE CALIPER IMP
A1 REMFG INC
AUDI A4,A6,S6 06-03 F/L
A1 REMFG INC
IMPORT POWER BOOSTER

Raybestos Brakes
BRAKE ROTR
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