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?

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Verified Fitment

Audi A4 Category:suspension and components Parts

659 parts available

Shop aftermarket parts for the Audi A4. Verified fitment, free shipping, 30-day returns.

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30-Day Returns
D2 Racing auto part

D2 Racing

AIR SUSP KIT S4 (AWD) 09-

D

D2 Racing

AIR SUSP KIT A4 (FWD) B8

D2 Racing strut brace

D2 Racing

AIR STRUTS A4 (FWD) B8 09

D2 Racing auto part

D2 Racing

AIR SUSP KIT S4 (AWD) 03-

D2 Racing coilovers

D2 Racing

D2 COILOVERS S4 (AWD) 00-

D2 Racing auto part

D2 Racing

AIR SUSP KIT A6 C5 (AWD)

Dorman auto part

Dorman

TRAILING ARM

BC Racing coilovers

BC Racing

BC Racing BR Series Coilovers For 17- Audi A4/S4 (53mm Front Strut) With 10kg/8kg Spring Rates

D

Dorman

CONTROL ARM

CONTROL ARM

Dorman

CONTROL ARM

CONTROL ARM

Dorman

CONTROL ARM

BC Racing coilovers

BC Racing

BC Racing Coilovers DS Series 02-08 Audi A4

BC Racing coilovers

BC Racing

BC Racing Coilover BR 02-08 A4

CONTROL ARM

Dorman

CONTROL ARM

TRACK BAR

Dorman

TRACK BAR

CONTROL ARM

Dorman

CONTROL ARM

Dorman control arms

Dorman

CONTROL ARM

Air Lift auto part

Air Lift

Air Lift Performance 09-16 Audi A4 Quattro & FWD S4/RS4 Rear Air Suspension Kit

S

Stoptech

Centric Premium Control Arm - Front Right

S

Stoptech

Centric Premium Sway Bar Link - Front

Air Lift auto part

Air Lift

Air Lift Performance 09-16 Audi A4 Quattro & FWD S4/RS4 Front Air Suspension Kit

H

H&R

H&R 17-21 Audi A4 Premium/A4 Premium Plus (2WD) B9 Street Perf. Coil Over (Single Rear Spring)

T

Tein

Tein 06+ A4 Quattro B7 S Tech Springs

T

Tein

Tein 02-05 Audi A4 Quattro (B6) S Tech Springs

MOOG 2015 Audi RS5 Front Upper Control Arm Bushing

Moog

MOOG 2015 Audi RS5 Front Upper Control Arm Bushing

Moog sway bar

Moog

MOOG 16-19 Porsche Macan Front To Frame Sway Bar Bushing

MOOG 09-13 Audi Q5 Front To Frame Sway Bar Bushing

Moog

MOOG 09-13 Audi Q5 Front To Frame Sway Bar Bushing

MOOG 13-18 Audi S7 Front To Frame Sway Bar Bushing

Moog

MOOG 13-18 Audi S7 Front To Frame Sway Bar Bushing

MOOG 07-08 Audi RS4 Front Lower Inner Forward Control Arm Bushing

Moog

MOOG 07-08 Audi RS4 Front Lower Inner Forward Control Arm Bushing

Moog control arms

Moog

MOOG 07-08 Audi RS4 Front Right Lower Rearward Control Arm

MOOG 07-08 Audi RS4 Front Left Lower Rearward Control Arm

Moog

MOOG 07-08 Audi RS4 Front Left Lower Rearward Control Arm

Moog control arms

Moog

MOOG 15-19 Porsche Macan Rear Right Upper Control Arm

MOOG 15-19 Porsche Macan Rear Left Upper Control Arm

Moog

MOOG 15-19 Porsche Macan Rear Left Upper Control Arm

Moog control arms

Moog

MOOG 13-15 Audi S7 Rear Right Forward Lower Control Arm

Moog control arms

Moog

MOOG 13-15 Audi S7 Rear Left Lower Forward Control Arm

MOOG 13-15 Audi RS5 Front Left Lower Rearward Control Arm

Moog

MOOG 13-15 Audi RS5 Front Left Lower Rearward Control Arm

Moog control arms

Moog

MOOG 13-15 Audi RS5 Front Right Lower Rearward Control Arm

Moog control arms

Moog

MOOG 13-18 Audi S7 Front Upper Control Arm

Moog control arms

Moog

MOOG 07-08 Audi RS4 Front Upper Control Arm

Moog control arms

Moog

MOOG 15-19 Porsche Macan Front Left Upper Forward Control Arm

Moog control arms

Moog

MOOG 15-20 Porsche Macan Front Left Lower Forward Control Arm

MOOG 1992 Audi 80 Rear Lower Rearward Control Arm

Moog

MOOG 1992 Audi 80 Rear Lower Rearward Control Arm

Moog auto part

Moog

MOOG 15-20 Porsche Macan Front Lower / Front Lower Forward Ball Joint

Moog control arms

Moog

MOOG 15-19 Porsche Macan Front Right Upper Forward Control Arm

Moog control arms

Moog

MOOG 15-20 Porsche Macan Front Right Lower Forward Control Arm

M

Moog

MOOG 2012 Audi A7 Quattro Front Lower Ball Joint

MOOG 19-20 Porsche Cayenne Front Sway Bar Link

Moog

MOOG 19-20 Porsche Cayenne Front Sway Bar Link

Moog sway bar

Moog

MOOG 00-02 Audi S4 Front Right Sway Bar Link

MOOG 13-18 Audi S7 Rear Sway Bar Link

Moog

MOOG 13-18 Audi S7 Rear Sway Bar Link

Moog sway bar

Moog

MOOG 13-18 Audi S7 Front To Frame Sway Bar Bushing

O

Ohlins

Ohlins 17-20 Audi A4, S4, A5, S5 (B9) FWD/quattro; RS4, RS5 (B9), Rear Replacement Damper

Ohlins auto part

Ohlins

Ohlins 08-16 Audi A4, S4, A5, S5 (B8) FWD/quattro; RS4, RS5 (B8), Front Replacement Damper

KW coilovers

KW

KW Audi RS4 (Type B5) V3 Coilover Mexico & Europe ONLY

O

Ohlins

Ohlins 17-20 Audi A4, S4, A5, S5 (B9) FWD/quattro; RS4, RS5 (B9), Front Replacement Damper

O

Ohlins

Ohlins 08-16 Audi A4, S4, A5, S5 (B8) FWD/quattro; RS4, RS5 (B8), Rear Replacement Damper

O

Ohlins

Ohlins 06-15 Audi R8 V8 (1st Gen.) TTX-PRO Coilover System

S

Stoptech

Centric 07 Audi A4 Front Left Lower Rearward Control Arm and Ball Joint

Tein 09-16 Audi A4 / A4 Quattro (B8) Rear EnduraPro Plus Shock

Tein

Tein 09-16 Audi A4 / A4 Quattro (B8) Rear EnduraPro Plus Shock

S

Stoptech

Centric 07 Audi A4 Front Left Upper Rearward Control Arm and Ball Joint

S

Stoptech

Centric 07 Audi A4 Front Lower Forward Control Arm and Ball Joint

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