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.
Stoptech
Sport Axle Pack; Drilled; Rear w/BL

DBA
DBA 14-16 Audi A6 Street Series Left Rear Caliper

DBA
DBA 05-09 Audi A4 Quattro Front 5000 Series Slotted Rotor w/Black Hat

DBA
DBA 02-06 Audi A4 3.0L Front Street Drilled & Slotted Rotor

DBA
DBA 02-06 Audi A4 3.0L Front Street Series Standard Rotor

DBA
DBA 96-04 Audi A4 Front Street Series Slotted Rotor

DBA
DBA 05-09 Audi A4 Sedan Front 5000 Series Drilled & Slotted Ring w/NAS Nuts

DBA
DBA 05-09 Audi A4 Sedan Front 5000 Series 2-Piece Drilled & Slotted Rotor w/Black Hat

DBA
DBA 05-09 Audi A4 Sedan Front 5000 Series Slotted Ring w/NAS Nuts

DBA
DBA 05-09 Audi A4 Front 5000 Series Replacement Ring

DBA
DBA 96-04 Audi A4 / A4 Quattro 4000 XS Cross-Drilled & Slotted Series Rotor

DBA
DBA 09-11 Audi A4 Sedan Front En-Shield Standard Rotor

PowerStop
Power Stop 2018 Audi Q5 Front Semi-Coated Rotor Kit

PowerStop
Power Stop 18-20 Audi S5 Sportback Rear Semi-Coated Rotor Kit

PowerStop
Power Stop 17-20 Audi A4 Rear Semi-Coated Rotor Kit

PowerStop
Power Stop 02-05 Audi A4 Quattro Rear Semi-Coated Rotor Kit

PowerStop
Power Stop 99-05 Volkswagen Passat Front Semi-Coated Rotor Kit

PowerStop
Power Stop 96-98 Audi A4 Quattro Front Semi-Coated Rotor Kit

PowerStop
Power Stop 09-11 Audi Q5 Front Semi-Coated Rotor Kit

PowerStop
Power Stop 13-16 Audi allroad Rear Semi-Coated Rotor Kit

PowerStop
Power Stop 13-16 Audi allroad Front Semi-Coated Rotor Kit

PowerStop
Power Stop 05-09 Audi A4 Quattro Front Semi-Coated Rotor Kit

PowerStop
Power Stop 05-09 Audi A4 Quattro Rear Semi-Coated Rotor Kit

Brembo
Brembo OE 02-05 Audi A4/02-05 A4 Quattro Rear Disc Brake Kit

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Brembo OE 97-99 Audi A4/A4 Quattro Front Disc Brake Kit

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Brembo OE 99-06 Audi A4/1999 A4 Quattro/02-06 A4 Quattro/99-01 A6/99-01 Passat Front Disc Brake Kit

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Brembo OE Front/Rear Disc Brake Kit

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Brembo OE 02-06 Audi A4/A4 Quattro/98-03 A6/98-04 A6 Quattro Front Disc Brake Kit

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Brembo OE 02-06 Audi A4/A4 Quattro/98-04 A6/A6 Quattro Front Disc Brake Kit

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Brembo OE 99-06 Audi A4/1999 A4 Quattro/02-06 A4 Quattro/99-01 A6 Front Disc Brake Kit

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Brembo OE 2001 Audi A4 Rear Disc Brake Kit

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Brembo OE 96-02 Audi A4 Quattro Rear Disc Brake Kit

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Brembo OE 02-05 Audi A4/A4 Quattro Rear Disc Brake Kit

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Brembo OE 97-99 Audi A4/A4 Quattro Front Disc Brake Kit

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Brembo OE 99-06 Audi A4/1999 A4 Quattro/02-06 A4 Quattro/99-01 A6/Passat Front Disc Brake Kit

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Brembo OE 02-06 Audi A4/02-05 A4 Quattro Rear Disc Brake Kit

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Brembo OE 2002 Audi A4 Rear Disc Brake Kit

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Brembo OE 02-06 Audi A4/A4 Quattro/98-04 A6/A6 Quattro Front Disc Brake Kit

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Brembo OE 97-99 Audi A4/A4 Quattro Front Disc Brake Kit

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Brembo OE 2002 Audi A4/A4 Quattro/S4 Rear Disc Brake Kit

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Brembo OE 02-06 Audi A4/A4 Quattro Rear Disc Brake Kit

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Brembo OE 09-12 Audi Q5 Front Disc Brake Kit

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Brembo OE 02-06 Audi A4/02-06 A4 Quattro/98-04 A6/02-04 A6 Quattro Front Disc Brake Kit

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Brembo OE 17-20 Audi A4 Rear Disc Brake Kit

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Brembo OE 17-18 A4/17-20 A4 allroad/A4 Quattro/18-20 A5 Quattro/A5 Sportback Rear Disc Brake Kit

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Brembo OE 99-06 Audi A4/1999 A4 Quattro/02-06 A4 Quattro/98-01 A6/99-01 Passat Front Disc Brake Kit

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Brembo OE 2002 Audi A4 Rear Disc Brake Kit

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Brembo OE 96-02 Audi A4 Quattro Rear Disc Brake Kit

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Brembo OE 02-06 Audi A4/A4 Quattro Rear Disc Brake Kit

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Brembo OE 02-06 Audi A4/02-05 A4 Quattro Rear Disc Brake Kit

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Brembo OE 97-99 Audi A4/A4 Quattro Front Disc Brake Kit

DBA
DBA 06-09 Audi A3 Rear XP Performance Brake Pads

DBA
DBA 06-09 Audi A3 Rear SP Performance Brake Pads

DBA
DBA 17-19 Audi A4 (w/318mm front Rotor) Front XP Performance Brake Pads

DBA
DBA 17-20 Audi A4 Rear XP Performance Brake Pads

DBA
DBA 17-20 Audi A4 Rear SP Performance Brake Pads

Moog
MOOG 18-23 Audi RS5 Base Front / Rear Wheel Hub & Bearing Assembly
Moog
MOOG 15-18 Porsche Macan Front / Rear Hub Assembly

Moog
MOOG 2013 Audi allroad Rear Hub Assembly

Moog
MOOG 07-08 Audi RS4 Front / Rear Hub Assembly
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