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.

Dorman
DISC BRAKE HDWE KIT

Dorman
DISC BRAKE HDWE KIT

Dorman
BRAKE HOSE

Dorman
BRAKE PAD WEAR SENSOR

Stoptech
BRAKE PAD SENSOR WIRES

Bosch
DISC BRAKE ROTOR

Bosch
DISC BRAKE PADS

Stoptech
BRAKE HOSE

Stoptech
BRAKE HOSE

Stoptech
BRAKE HOSE

Stoptech
BRAKE HOSE

Stoptech
BRAKE HOSE
Hella
WARNING CONTACT, BRAKE PAD WEAR

Stoptech
STANDARD BALL BEARING

Bosch
DISC BRAKE ROTOR

Hella
BRAKE PAD SET DISC BRAKE

Hella
BRAKE PAD SET DISC BRAKE

Stoptech
STANDARD BALL BEARING
Bosch
DISC BRAKE PADS

Bosch
BRAKE PADS

Bosch
DISC BRAKE ROTOR

Bosch
DISC BRAKE PADS

Hella
WARNING CONTACT BRAKE PAD WEAR
Stoptech
C-TEK Semi-Metallic Brake

Bosch
DISC BRAKE PADS

Bosch
DISC BRAKE PADS

Bosch
WHEEL SPEED SENSOR
Bosch
DISC BRAKE PADS

Hella
WARNING CONTACT BRAKE PAD WEAR

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

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

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

Stoptech
StopTech Street Select Brake Pads - Rear

R1 Concepts
R1 00-11 Audi A6 Quattro Front Euro Ceramic Brake Pads
034Motorsport
Rotor Rings, Rear, 370x22, B9

034Motorsport
Rtr Upg, R, 370x22, B9 RS5,Blk
034Motorsport
Rotors, F, 1pc, 338x30, B9 A4
034Motorsport
RS+ Big Brake Pkg, Red, B9
034Motorsport
RS+ Big Brake Pkg, Black, B9

034Motorsport
Rtr Upg, R, 370x22, B9 S4, Red

034Motorsport
Rtr Upg, R, 370x22, B9 S4, Gry
034Motorsport
RS+ Big Brake Pkg, Black, B8

034Motorsport
RS+ Big Brake Pkg, Nkl, B9

034Motorsport
Rotor Rings, F, 390x34, B9 BBK
034Motorsport
RS+ BBK, Nickel, 1 of 2, B9

034Motorsport
Rtr Upg, R, 370x22, B9 S4, Blk
PowerStop
Power Stop SEMI-COATED ROTOR KIT Audi A4 allroad 2020-25 Audi A4 Quattro 2020-25 Audi A5 Quattro 2020-24 Audi A5 Sportback 2020-25 SC8653
PowerStop
Power Stop AUTOSPECIALTY BRAKE KIT Audi A4 allroad 2020-25 Audi A4 Quattro 2020-25 Audi A5 Quattro 2020-24 Audi A5 Sportback 2020-25 KOE8653

PowerStop
Power Stop AUTOSPECIALTY BRAKE KIT Audi A4 2020 Audi A4 Quattro 2021-25 KOE8654

DFC
DFC 08-12 Audi A5 Quattro Front & Rear Geospec Rotors
DFC
DFC 96-01 Audi A4 Front & Rear Geospec Rotors
DFC
R1 08-11 Audi A5 Front & Rear Brake Rotor Set w/Ceramic Pads and Hardware
DFC
DFC 96-01 Audi A4 Quattro Rear-L Silver Zinc Coated Premium Caliper
DFC
DFC 17-24 Audi A5 Front-R Silver Zinc Coated Premium Caliper
DFC
R1 08-11 Audi A4 Quattro Front & Rear Carbon Coated Brake Rotor Set w/Euro Ceramic Pads
DFC
R1 12-17 Audi A4 Front & Rear Carbon Coated Brake Rotor Set w/Ceramic Pads and Hardware

DFC
DFC 11-17 Audi A4 Front Drilled & Slotted Geoperformance Rotors
DFC
DFC 92-8 Audi A4 Quattro Front Drilled & Slotted Geoperformance Rotors
DFC
R1 12-17 Audi A5 Front Carbon Coated Brake Rotor Set w/Ceramic Pads and Hardware

DFC
DFC 16-25 Audi A4 Front Geospec Rotors w/4000 HybriDynamic Brake Pads w/Hardware
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