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.

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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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S

SPYDER

Spyder Audi A4 02-05 LED Tail Lights Black ALT-YD-AA402-LED-BK

SPYDER smoke tail light

SPYDER

Spyder Audi A4 02-05 LED Tail Lights Smoke ALT-YD-AA402-LED-SM

Thule silver auto part

Thule

Thule AeroBlade Edge M Flush Mount Load Bar (Single Bar) - Silver

Seibon carbon auto part

Seibon

Seibon 09-10 Audi A4 OEM-style Carbon Fiber Hood

Seibon red auto part

Seibon

Seibon 13-15 Audi A4 OEM Carbon Fiber Hood (Hood Pins Required)

Seibon carbon auto part

Seibon

Seibon 96-01 Audi A4 (B5) OEM-Style Carbon Fiber Hood

Seibon carbon auto part

Seibon

Seibon 06-08 Audi A4 (B7) OEM Carbon Fiber Hood

ANZO black headlights

ANZO

ANZO 2002-2005 Audi A4 Projector Headlight Black G2 (Halogen Type)

R1 13-20 Porsche Macan Front Performance Sport Brake Pads

R1 Concepts

R1 13-20 Porsche Macan Front Performance Sport Brake Pads

COIL COVER,1.8T,PLAINCOIL COV

034Motorsport

COIL COVER,1.8T,PLAINCOIL COV

HARDWARE KIT, FP34 -6AN-6 AN

034Motorsport

HARDWARE KIT, FP34 -6AN-6 AN

THRUST WASHER,30V V6THRUST WA

034Motorsport

THRUST WASHER,30V V6THRUST WA

Mount, Density, Rear Shock, B9

034Motorsport

Mount, Density, Rear Shock, B9

TAP,BOOST,2.0T FSI-TFSI-TSIIN

034Motorsport

TAP,BOOST,2.0T FSI-TFSI-TSIIN

Ign Coil, Red, MQB Style

034Motorsport

Ign Coil, Red, MQB Style

Dust Seal Kit, RS+ Calipers,B9

034Motorsport

Dust Seal Kit, RS+ Calipers,B9

INJECTOR ADAPTER,RS4 4INJECTO

034Motorsport

INJECTOR ADAPTER,RS4 4INJECTO

Rebld Kit, D+ Rr End Links, B9

034Motorsport

Rebld Kit, D+ Rr End Links, B9

ADAPTER,COIL 2.0T FSI- 5V BLK

034Motorsport

ADAPTER,COIL 2.0T FSI- 5V BLK

Check Valve, PCV, 1.8T 2.7T

034Motorsport

Check Valve, PCV, 1.8T 2.7T

MOUNT,STRUT,TD,B8 KITSTRUT MO

034Motorsport

MOUNT,STRUT,TD,B8 KITSTRUT MO

THROW OUT BEARING,01A-01ELATE

034Motorsport

THROW OUT BEARING,01A-01ELATE

End Link Kit, Dens, Frt, B6/7

034Motorsport

End Link Kit, Dens, Frt, B6/7

TIE ROD END,B5 OEM DENS HDTIE

034Motorsport

TIE ROD END,B5 OEM DENS HDTIE

Mount, Trans, TD, B5 C5

034Motorsport

Mount, Trans, TD, B5 C5

MOUNT,STRUT,TD,B6-B7 KIT

034Motorsport

MOUNT,STRUT,TD,B6-B7 KIT

MOUNT,TRANS,TD,B6 5 SPEEDTRAC

034Motorsport

MOUNT,TRANS,TD,B6 5 SPEEDTRAC

MOUNT,STRUT,TD,B5 FRONTFRONT

034Motorsport

MOUNT,STRUT,TD,B5 FRONTFRONT

MOUNT,DIFF,SD,B4-B5 R. UPPERS

034Motorsport

MOUNT,DIFF,SD,B4-B5 R. UPPERS

0

034Motorsport

HARDWARE KIT,B8 CAT-TEST

HARDWARE KIT,B7 TEST PIPEGASK

034Motorsport

HARDWARE KIT,B7 TEST PIPEGASK

Air Filter, 034, 3.5" Inlet

034Motorsport

Air Filter, 034, 3.5" Inlet

TIE ROD END,B5-B6-B7 METAL

034Motorsport

TIE ROD END,B5-B6-B7 METAL

M

Mahle

Mahle A/C Receiver Drier 70818238NA

M

Mahle

Mahle Engine Timing Chain Tensioner 9-5245

W

WeatherTech

WeatherTech Black BumperTopper Fits -20-24 Audi BP0171

DFC 16-20 Audi A6 Quattro Rear 5000 Advanced Ceramic Brake Pads

DFC

DFC 16-20 Audi A6 Quattro Rear 5000 Advanced Ceramic Brake Pads

AD A4/S4 SDN/WGN 0508/A4/S4 CABRIO 0709/A3 0609 FL ASY(A3 W/SPT PKG) LH

Maxzone Vehicle Lighting Corp

AD A4/S4 SDN/WGN 0508/A4/S4 CABRIO 0709/A3 0609 FL ASY(A3 W/SPT PKG) LH

DFC 08-17 Audi A4 (USA/Canada) Front 5000 Advanced Low Metallic Brake Pads

DFC

DFC 08-17 Audi A4 (USA/Canada) Front 5000 Advanced Low Metallic Brake Pads

DFC 00-08 Audi A4 (USA/Canada) Rear GeoSPEC Coated Rotor

DFC

DFC 00-08 Audi A4 (USA/Canada) Rear GeoSPEC Coated Rotor

DFC 08-17 Audi A4 (Mexico) Front 3000 Semi-Metallic Brake Pads

DFC

DFC 08-17 Audi A4 (Mexico) Front 3000 Semi-Metallic Brake Pads

DFC 08-17 Audi Q5 (USA/Canada) Except Hybrid Rear 4000 HybriDynamic Brake Pads and Hardware Kit

DFC

DFC 08-17 Audi Q5 (USA/Canada) Except Hybrid Rear 4000 HybriDynamic Brake Pads and Hardware Kit

D

DFC

DFC 09-16 Audi A4 (Mexico) Front 3000 Semi-Metallic Brake Pads and Hardware Kit

DFC 20-25 Audi A4 (USA/Canada) Rear Euro 5000 Ceramic Brake Pads

DFC

DFC 20-25 Audi A4 (USA/Canada) Rear Euro 5000 Ceramic Brake Pads

DFC 97-08 Volkswagen ALLROAD Rear 5000 Advanced Ceramic Brake Pads and Hardware Kit

DFC

DFC 97-08 Volkswagen ALLROAD Rear 5000 Advanced Ceramic Brake Pads and Hardware Kit

DFC 17-24 Audi A4 Quattro Front-L Brake Hose

DFC

DFC 17-24 Audi A4 Quattro Front-L Brake Hose

DFC 97-06 Audi A8 Rear 5000 Advanced Low Metallic Brake Pads and Hardware Kit

DFC

DFC 97-06 Audi A8 Rear 5000 Advanced Low Metallic Brake Pads and Hardware Kit

DFC 08-25 Audi A8 Rear Brake Rotor

DFC

DFC 08-25 Audi A8 Rear Brake Rotor

D

DFC

DFC 08-17 Audi A5 Front 3000 Semi-Metallic Brake Pads and Hardware Kit

DFC 97-08 Audi A4 (Mexico) Front/Rear Brake Rotor

DFC

DFC 97-08 Audi A4 (Mexico) Front/Rear Brake Rotor

DFC 08-17 Audi Q5 (USA/Canada) Except Hybrid Rear 5000 Adv Low Metallic Brake Pads & Hardware Kit

DFC

DFC 08-17 Audi Q5 (USA/Canada) Except Hybrid Rear 5000 Adv Low Metallic Brake Pads & Hardware Kit

DFC 08-17 Audi A5 Rear 5000 Advanced Low Metallic Brake Pads

DFC

DFC 08-17 Audi A5 Rear 5000 Advanced Low Metallic Brake Pads

DFC 08-17 Audi A5 Front 3000 Ceramic Brake Pads and Hardware Kit

DFC

DFC 08-17 Audi A5 Front 3000 Ceramic Brake Pads and Hardware Kit

1156(BAU15S)NORAPID FLASH CANBUS TURN SIGNAL LED BULBSAMBER

Race Sport

1156(BAU15S)NORAPID FLASH CANBUS TURN SIGNAL LED BULBSAMBER

DFC 90-97 Audi S4 Rear Right Drilled & Slotted Silver Brake Rotor

DFC

DFC 90-97 Audi S4 Rear Right Drilled & Slotted Silver Brake Rotor

8412 AUDI/VOLKSWAGEN ANTENNA ADAPTER

American International Install

8412 AUDI/VOLKSWAGEN ANTENNA ADAPTER

EVOALL/EVOONE THARNESS FOR SELECT AUDI 2017+

FORTIN

EVOALL/EVOONE THARNESS FOR SELECT AUDI 2017+

D

DFC

DFC 97-08 Audi A8 Rear Active Performance Pads and Hardware Kit

DFC 00-21 Audi S3 (Mexico) Rear Low Metallic Track/Street Pads

DFC

DFC 00-21 Audi S3 (Mexico) Rear Low Metallic Track/Street Pads

M

Maxzone Vehicle Lighting Corp

AD A4/S4 SDN/A4 ALROD/A5/S5 CABRO 2021 INNER R/REFLECTOR UNIT RH

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