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 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
KW coilovers

KW

KW Coilover Kit V1 Audi A4 (8E/B6/8H) Avant + Convertible; FWD; all engines

Bilstein shock absorber

Bilstein

Bilstein B8 2009 Audi A4 Quattro Avant Front 46mm Monotube Shock Absorber

SPC Performance control arms

SPC Performance

SPC Performance 98-08 Audi A4/S4/RS4 / 98-05 VW Passat Front Upper Multi Link Control Arm Kit

H&R sway bar

H&R

H&R 09-16 Audi A4 Quattro/S4 (AWD) B8 30mm Adj. 2 Hole Sway Bar - Front

Bilstein auto part

Bilstein

Bilstein B12 2002 Audi A4 Base Front and Rear Suspension Kit

Bilstein auto part

Bilstein

Bilstein B12 2002 Audi A4 Base Front and Rear Suspension Kit

KW coilovers

KW

KW Coilover Kit V1 Audi A4 (8E/B6 8H QB6) Avant + Convertible; Quattro; all engines

Bilstein auto part

Bilstein

Bilstein B12 1999 Audi A4 Avant Front and Rear Suspension Kit

H&R springs

H&R

H&R 08-15 Audi A5/A5 Quattro/S5 (2WD/AWD) B8 OE Sport Spring

Air Lift auto part

Air Lift

Air Lift Performance 09-15 Audi A4/A5/S4/S5/RS4/RS5 Rear Kit

H&R sway bar

H&R

H&R 09-16 Audi A4 Quattro/S4 (AWD) B8 24mm Non Adj. Sway Bar - Rear

Bilstein auto part

Bilstein

Bilstein B12 2004 Audi A4 Avant Front and Rear Suspension Kit

Bilstein auto part

Bilstein

Bilstein B16 2002 Audi A4 Base Front and Rear Performance Suspension System

H&R auto part

H&R

H&R 09-16 Audi A4 Quattro/S4 (AWD) B8 Street Perf. Coil Over

Bilstein auto part

Bilstein

Bilstein B12 2009 Audi A4 Quattro Avant Front and Rear Suspension Kit

Bilstein auto part

Bilstein

Bilstein B12 2002 Audi A4 Base Front and Rear Suspension Kit

Bilstein auto part

Bilstein

Bilstein B12 2005 Audi A4 Base Front and Rear Suspension Kit

KW coilovers

KW

KW Coilover Kit V1 Audi A4 (8D/B5) Sedan + Avant; FWD; all engines VIN# from 8D*X200000 and up

H&R springs

H&R

H&R 98-01 Audi A4 Avant (2WD) B5 Sport Spring

KW auto part

KW

KW Electronic Damping Cancellation Kit Porsche Cayenne Type 9PA

H&R sway bar

H&R

H&R 18-22 Audi A4/A5/S5 (AWD) B9 22mm Non Adj. Sway Bar - Rear

Bump Stop Pr, Den, Rr, Q5/SQ5

034Motorsport

Bump Stop Pr, Den, Rr, Q5/SQ5

Hardware Kit, B8 Upper Ctrl Ar

034Motorsport

Hardware Kit, B8 Upper Ctrl Ar

Upgrade, Sway, TL, Rear, MQB

034Motorsport

Upgrade, Sway, TL, Rear, MQB

Rebuild Kit, Sway Bar, B9 Rear

034Motorsport

Rebuild Kit, Sway Bar, B9 Rear

Upgrade, Sway, TL, Rr, B9 SQ5

034Motorsport

Upgrade, Sway, TL, Rr, B9 SQ5

Rebuild Kit, Sway Bar, B4-B7,

034Motorsport

Rebuild Kit, Sway Bar, B4-B7,

Rebuild Kit, Sway Bar, 25.4mm

034Motorsport

Rebuild Kit, Sway Bar, 25.4mm

Rebld Kit, Sway Bar, MQB, B9

034Motorsport

Rebld Kit, Sway Bar, MQB, B9

Rebuild Kit, Sway Bar, B9 Fron

034Motorsport

Rebuild Kit, Sway Bar, B9 Fron

Bump Stop Pr, Den, F, B8/B9 S4

034Motorsport

Bump Stop Pr, Den, F, B8/B9 S4

BUSHING,SWAY BAR 25MMAUDI SMA

034Motorsport

BUSHING,SWAY BAR 25MMAUDI SMA

DFC 88-10 Audi TT Rear/Front Premium Hardware Kit

DFC

DFC 88-10 Audi TT Rear/Front Premium Hardware Kit

HORN, MINIBLAST, BLACK BULK, OEM

BEP

HORN, MINIBLAST, BLACK BULK, OEM

DELPHI auto part

DELPHI

STABILIZER BAR LINK

DELPHI auto part

DELPHI

STABILIZER BAR LINK

DELPHI auto part

DELPHI

SUSPENSION STABILIZER BAR BUSHING K

DELPHI auto part

DELPHI

CTRL ARM BUSHING

DELPHI auto part

DELPHI

SUSPENSION STABILIZER BAR BUSHING K

DELPHI auto part

DELPHI

SUSPENSION STABILIZER BAR LINK KIT

DELPHI auto part

DELPHI

SUSP STABILIZER BAR LINK

DELPHI auto part

DELPHI

STABILIZER BAR LINK

DELPHI auto part

DELPHI

STABILIZER BAR LINK

DELPHI auto part

DELPHI

STABILIZER BAR LINK

DELPHI auto part

DELPHI

CTRL ARM & BALL JNT ASSEM

DELPHI auto part

DELPHI

CTRL ARM BUSHING

DELPHI auto part

DELPHI

STABILIZER BAR BUSHING

DELPHI auto part

DELPHI

STABILIZER BAR BUSHING

DELPHI auto part

DELPHI

STABILIZER BAR BUSHING

DELPHI auto part

DELPHI

SUSP BALL JNT

D

DELPHI

CTRL ARM BUSHING

DELPHI auto part

DELPHI

SUSP CTRL ARM BUSHING

DELPHI auto part

DELPHI

CTRL ARM BUSHING

M

Moog

SUSPENSION CONTROL ARM AND BALL JOI

D

Dorman

STABILIZER BAR LINK

D

Dorman

STABILIZER BAR LINK

D

Dorman

STABILIZER BAR LINK

D

Dorman

STABILIZER BAR LINK

BUSHING

Dorman

BUSHING

SWITCH TOGGLE

Bosch

SWITCH TOGGLE

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