QUATTRO MEETS PRACTICALITY

B5 through B9 — Audi's compact sedan with available Quattro AWD and turbo power.

Audi A4 HERITAGE

THE QUATTRO COMPACT

The Audi A4 has been the German compact sport sedan since 1994. The B5 (1.8T) launched the tuner-friendly chassis, the B6/B7 added the K04 turbo upgrade culture, and the B8/B9 brought EA888 turbocharged 2.0T engines that share parts with the VW Golf R / Jetta GLI.

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

3,135
Parts that fit
3,000+
MOTORMIA Builds
EBC
#1 brand by SKUs
$711
Average MSRP

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.

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30-Day Returns
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Stoptech

Sport Axle Pack, Drilled & Slotted, Rear

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Stoptech

PosiQuiet 00-05 VW Passat / 00-04 Audi A6/00-06 A4 (Inc Quattro) Front Extended Wear Brake Pads

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Stoptech

Sport Axle Pack; Drilled; Front w/BL

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Stoptech

Centric 11-16 Audi S4 / 08-17 S5 Front Disc Brake Caliper Repair Kit

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Stoptech

Street Axle Pack, Slotted, Front

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Stoptech

Street Axle Pack Slotted; Frt & RR

Centric Premium Semi-Metallic Brake Pads w/Shims & Hardware - Rear

Stoptech

Centric Premium Semi-Metallic Brake Pads w/Shims & Hardware - Rear

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Stoptech

Sport Axle Pack Drilled Rotor, 4 Wheel

Prem Metallic Brake Pad Shims & Hardware

Stoptech

Prem Metallic Brake Pad Shims & Hardware

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Stoptech

Street Axle Pack, Drilled & Slotted, 4 Wheel

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Stoptech

Sport Axle Pack, Drilled & Slotted, Front

Stoptech carbon auto part

Stoptech

Centric Premium High Carbon Brake Rotor

Stoptech auto part

Stoptech

Centric Semi-Loaded Brake Caliper - Rear Left

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Stoptech

Street Axle Pack - Drilled; Front

Stoptech carbon auto part

Stoptech

Centric Premium High Carbon Brake Rotor

Stoptech auto part

Stoptech

Centric 17-19 Audi S4 / 09-19 Audi A4 / 12-19 Audi A6 Rear Disc Brake Caliper Repair Kit

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Stoptech

Street Axle Pack - Drilled; Rear

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Stoptech

Street Axle Pack Drilled & Slotted, Rear

Stoptech carbon auto part

Stoptech

Centric Premium High Carbon Brake Rotor

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Stoptech

Street Axle Pack, Drilled, 4 Wheel

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Stoptech

Street Axle Pack, Drilled, 4 Wheel

Stoptech auto part

Stoptech

Centric Disc Brake Hardware Kit - Rear

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Stoptech

Centric 1999-2007 Volkswagen Pointer Premium Front Inner Wheel Bearing and Race Set

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Stoptech

Street Axle Pack, Slotted, Front

Stoptech auto part

Stoptech

Centric 06-09 Audi A3 C-TEK Semi-Metallic Brake Pads w/Shims - Rear

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Stoptech

Street Axle Pack, Drilled & Slotted, 4 Wheel

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EBC

EBC S4 Kits Redstuff Pads and USR Rotors

Stoptech auto part

Stoptech

Centric C-Tek 09-16 Audi A4/A5/A5 Quattro Standard Front Brake Rotor

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Stoptech

Sport Axle Pack Drilled Rotor, 4 Wheel

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Stoptech

Street Axle Pack Slotted; Frt & RR

Stoptech carbon auto part

Stoptech

Centric Premium High Carbon Brake Rotor

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Stoptech

Sport Axle Pack Drilled Rotor, 4 Wheel

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Stoptech

Street Axle Pack - Drilled; Rear

Stoptech auto part

Stoptech

Centric C-TEK 07-15 Audi TT / 05-11 A6 / 06-10 A3 Ceramic Rear Brake Pads w/Shims

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Stoptech

Street Axle Pack, Drilled & Slotted, 4 Wheel

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Stoptech

Sport Axle Pack; Drilled; Rear w/BL

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Stoptech

Sport Axle Pack; Drilled; Front w/BL

Centric Disc Brake Hardware Kit - Front/Rear

Stoptech

Centric Disc Brake Hardware Kit - Front/Rear

Stoptech auto part

Stoptech

Posi-Quiet 18-19 Audi Q5 Metallic Front Brake Pads

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Stoptech

Prem Metallic Brake Pad Shims & Hardware

Stoptech auto part

Stoptech

Centric 01-09 Audi A4 / 04-12 Volvo S40 Front Disc Brake Hardware Kit

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Stoptech

Street Axle Pack, Drilled, 4 Wheel

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Stoptech

Street Axle Pack - Drilled; Rear

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Stoptech

Street Axle Pack Slotted; Frt & RR

Posi-Quiet 16-19 Audi Q7 Premium Semi-Metallic Front Brake Pads

Stoptech

Posi-Quiet 16-19 Audi Q7 Premium Semi-Metallic Front Brake Pads

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Stoptech

Street Axle Pack Drilled & Slotted, Front

Prem Metallic Brake Pad Shims & Hardware

Stoptech

Prem Metallic Brake Pad Shims & Hardware

Centric C-TEK Ceramic Brake Pads w/Shims - Front

Stoptech

Centric C-TEK Ceramic Brake Pads w/Shims - Front

Stoptech auto part

Stoptech

Centric Brake Pad Sensor Wires - Front

Centric 80-88 Audi 5000 Front Disc Brake Hardware Kit

Stoptech

Centric 80-88 Audi 5000 Front Disc Brake Hardware Kit

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Stoptech

Street Axle Pack, Slotted, Rear

Centric 94-12 Audi A4 Front Disc Brake Caliper Repair Kit

Stoptech

Centric 94-12 Audi A4 Front Disc Brake Caliper Repair Kit

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Stoptech

Street Axle Pack, Slotted, Rear

Stoptech auto part

Stoptech

Posi-Quiet 11-13 Audi A3 / Volkswagen Golf/Eos Rear Semi-Metallic Brake Pads

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Stoptech

Centric C-TEK 98-05 Audi A3 / 98-05 A6 / 00-02 S4 Ceramic Rear Brake Pads w/Shims

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Stoptech

Sport Axle Pack Drilled Rotor, 4 Wheel

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Stoptech

Street Axle Pack Drilled & Slotted, Rear

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Stoptech

Centric 09-20 Audi A4 GCX Rotor w/Full Coating - Rear

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Stoptech

Street Axle Pack, Drilled & Slotted, 4 Wheel

Stoptech auto part

Stoptech

Centric C-TEK Standard Brake Rotor - Rear

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