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.
Brembo
Brembo 17+ A4 /18+ A5 Front GT BBK 6 Piston Cast 380x32 2pc Rotor Slotted TY3L-Silver

Dorman
CLUTCH MASTER CYLINDER
Brembo
Brembo 17+ A4 /18+ A5 Front GT BBK 6 Piston Cast 380x32 2pc Rotor Slotted TY3L-Black
Brembo
Brembo 08-17 A5 Front GTS BBK 6 Piston Cast 380x34 2pc Rotor Slotted TY3L-Black HA
Brembo
Brembo 17+ A4/18+ A5/18+ S4/18+ S5 Fr GT BBK 6 Piston Cast 380x34 2pc Rotor Slotted TY3L- Yellow
Brembo
Brembo 17+ A4/18+ A5/18+ S4/18+ S5 Front GT BBK 6 Piston Cast 380x34 2pc Rotor Slotted TY3L-Black
Brembo
Brembo 17+ A4 /18+ A5 Front GT BBK 6 Piston Cast 380x32 2pc Rotor Slotted TY3L-Red

Dorman
HUB ASSEMBLY
Brembo
Brembo 17+ A4/18+ A5 Front GTR BBK 6 Piston Billet 380x32 2pc Rotor Slotted TY3L- Nickel

Dorman
NEW MASTER CYLINDER

Dorman
NEW MASTER CYLINDER

Dorman
NEW MASTER CYLINDER
Dorman
ABS MODULE

Dorman
NEW MASTER CYLINDER
Brembo
Brembo 08-17 A5/09-16 A4 Front GT BBK 6 Piston Cast 380x34 2pc Rotor Slotted TY3L- Fluo. Yellow

Brembo
BRAKE DISC
Brembo
Brembo 00-02 S4/02-05 A4/06-08 A4 Front GTS BBK 6 Pist Cast 355x32 2pc Rotor Slotted TY3L-Black HA

Dorman
NEW MASTER CYLINDER

Stoptech
R&R CALIPER ONLY EPB
Bosch
SHEAVE PULLING ATTACHMENT
Stoptech
STR60/30-34-36/34F

Dorman
BRAKE RESERVOIR
Hella
WHEEL SPEED-SENSOR
Stoptech
STR40/44-44/35
Bosch
PULLER LEG SET (30' LONG)
Stoptech
ST60/40-38-40/35F

EBC
DP42127R+SG2FC1877+DP42153R+SG
Stoptech
SPORT AXLE PACK; DRILLED; FRONT BRA

Stoptech
SPORT AXLE PACK DRILLED ROTOR, REAR
Stoptech
ST60/30-34-36/35F

Hella
BRAKE PAD SET DISC BRAKE
Stoptech
ST65/28-30-34/35F

Hella
WHEEL SPEED-SENSOR
Stoptech
ST60/28-28-34/35
Stoptech
SPORT AXLE PACK, SLOTTED, 4 WHEEL
Stoptech
SPORT AXLE PACK, SLOTTED, 4 WHEEL
Stoptech
SPORT AXLE PACK, SLOTTED, FRONT

Hella
WHEEL SPEED-SENSOR
Stoptech
SPORT AXLE PACK, SLOTTED, FRONT
Stoptech
ST60/26-28-30/35

Bosch
PARTS SET
Stoptech
SIL CALIPER/SLOTTED ROTOR
Hella
BRAKE PAD SET DISC BRAKE
Stoptech
ST65/28-28-32/32
Stoptech
SPORTSTOP CRYO ROTOR
Stoptech
Sportstop Cryo Sport Dril

Hella
BRAKE PAD SET DISC BRAKE
Stoptech
SPORTSTOP CRYO ROTOR
Stoptech
STR60/34-38-42/35
Stoptech
SPORTSTOP CRYO ROTOR

Hella
DISC BRAKE ROTOR

Stoptech
PREMIUM BRAKE MASTER CYLINDER

Stoptech
PREMIUM BRAKE MASTER CYLINDER
Stoptech
PREMIUM BRAKE MASTER CYL
Stoptech
SPORTSTOP CRYO ROTOR

Stoptech
Stoptech ST TRUCK SUV BRAKE PADS Front Audi Ford A4 A4 allroad A4 Quattro A5 A5 Quattro allr

Stoptech
YL CALIPERS/DRILLED ROTOR

Stoptech
SPORTSTOP CRYO ROTOR
Stoptech
SPORT AXLE PACK; DRILLED; REAR BRAK
Stoptech
SPORT AXLE PACK; DRILLED; FRONT BRA
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