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:exterior components Parts

2182 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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PowerStop

Power Stop 17-19 Audi A4 Front Z16 Evolution Ceramic Brake Pads

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PowerStop

Power Stop 96-99 Audi A4 Front Z23 Evolution Sport Brake Pads w/Hardware

Putco red auto part

Putco

Putco 360 Deg. 1157 Bulb - Red LED 360 Premium Replacement Bulbs

PowerStop auto part

PowerStop

Power Stop 10-16 Audi A4 Rear Z17 Evolution Ceramic Brake Pads w/Hardware

Putco auto part

Putco

Putco LumaCore 921 Amber - Pair

WeatherTech black auto part

WeatherTech

WeatherTech 09-16 Audi A4 / 10-16 S4 SunShade Full Vehicle Kit - Silver / Black

Putco auto part

Putco

Putco LumaCore 194 White - Pair

Putco auto part

Putco

Putco Mini-Halogens - 921 Super Orange

Putco auto part

Putco

Putco Mini-Halogens - 194 Jet Yellow

PowerStop carbon auto part

PowerStop

Power Stop 02-05 Audi A4 Rear Evolution High Carbon Geomet Coated Rotor

Putco auto part

Putco

Putco Mini-Halogens - 1156 - Nitro White

Sparco Steering Wheel Hub VW Golf 4 Audi A4 B

SPARCO

Sparco Steering Wheel Hub VW Golf 4 Audi A4 B

PowerStop auto part

PowerStop

Power Stop 10-16 Audi A4 Rear Z23 Evolution Sport Brake Pads w/Hardware

Putco auto part

Putco

Putco Mini-Halogens - 3157 Nitro White

Putco red auto part

Putco

Putco 360 Deg. 1156 Bulb - Red LED 360 Premium Replacement Bulbs

Putco red auto part

Putco

Putco Mini-Halogens - 1157 Mega Red

Putco auto part

Putco

Putco LumaCore 1157 Amber - Pair

Putco fog light kit

Putco

Putco Nitro 360 Fog Light Bulbs - White/Yellow - H8 / H9 / H11 / H16 TYPE 2

Putco red auto part

Putco

Putco LumaCore 1156 Red - Pair

Putco red auto part

Putco

Putco 194 - Red Metal 360 LED

Putco red auto part

Putco

Putco Mini-Halogens - 1156 - Mega Red

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Putco

Putco 360 Deg. 1157 Bulb - Amber LED 360 Premium Replacement Bulbs

Putco auto part

Putco

Putco LumaCore 3157 Amber - Pair

Putco auto part

Putco

Putco 3157 - Plasma SwitchBack LED Bulbs - White/Amber

Putco red auto part

Putco

Putco LumaCore 921 Red - Pair

Putco red auto part

Putco

Putco 1157 - Red Metal 360 LED

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PowerStop

Power Stop 09-11 Audi A4 Front Autospecialty Brake Rotor

Putco red auto part

Putco

Putco LumaCore 3157 Red - Pair

Putco auto part

Putco

Putco Mini-Halogens - 1156 - Jet Yellow

PowerStop auto part

PowerStop

Power Stop 03-04 Audi A4 Rear Z26 Extreme Street Brake Pads w/Hardware

Putco red auto part

Putco

Putco LumaCore 1157 Red - Pair

Putco auto part

Putco

Putco 1156 - White Metal 360 LED

Putco auto part

Putco

Putco Plug and Play Load Resistor System - Fits 1156

Putco auto part

Putco

Putco LumaCore 1157 White - Pair

Putco red auto part

Putco

Putco LumaCore 194 Red - Pair

Putco auto part

Putco

Putco Mini-Halogens - 1156 - Night White

Putco auto part

Putco

Putco 1156 - Plasma LED Bulbs - Amber

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PowerStop

Power Stop 17-18 Audi A4 Front Z17 Evolution Ceramic Brake Pads w/Hardware

Putco red auto part

Putco

Putco LumaCore 1156 Red - Pair (x3 Strobe w/ Bright Stop)

Putco auto part

Putco

Putco 1156 - Plasma LED Bulbs - White

Putco blue auto part

Putco

Putco 194 - Blue Metal 360 LED

PowerStop auto part

PowerStop

Power Stop 03-04 Audi A4 Rear Z23 Evolution Sport Brake Pads w/Hardware

Putco auto part

Putco

Putco Mini-Halogens - 1156 Super Orange

PowerStop auto part

PowerStop

Power Stop 10-16 Audi A4 Rear Z26 Extreme Street Brake Pads w/Hardware

Power Stop 99-06 Audi A4 Front Z23 Evolution Sport Brake Pads w/Hardware

PowerStop

Power Stop 99-06 Audi A4 Front Z23 Evolution Sport Brake Pads w/Hardware

Putco auto part

Putco

Putco 194 - Amber Metal 360 LED

Putco auto part

Putco

Putco 194 - Cool White Metal 360 LED

PowerStop auto part

PowerStop

Power Stop 17-18 Audi A4 Front Euro-Stop Electronic Brake Pad Wear Sensor

PowerStop auto part

PowerStop

Power Stop 10-13 Audi A3 Rear Z23 Evolution Sport Brake Pads w/Hardware

Putco auto part

Putco

Putco Mini-Halogens - 921 Nitro White

Putco auto part

Putco

Putco 1157 - Amber Metal 360 LED

Putco red auto part

Putco

Putco 3157 - Red Metal 360 LED

Putco auto part

Putco

Putco LumaCore 194 Amber - Pair

Putco auto part

Putco

Putco LumaCore 921 White - Pair

Putco auto part

Putco

Putco 921 - White Metal 360 LED

Putco auto part

Putco

Putco 3157 - White Metal 360 LED

Putco auto part

Putco

Putco Optic 360 - High Power LED Fog Lamp Bulbs - H1

Putco auto part

Putco

Putco LumaCore 1156 Amber - Pair

Putco auto part

Putco

Putco LumaCore 1156 White - Pair

Putco red auto part

Putco

Putco 921 - Red Metal 360 LED

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