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

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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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PREMIUM SWAY BAR BUSHING KIT

Stoptech

PREMIUM SWAY BAR BUSHING KIT

SWAY BAR LINK

Dorman

SWAY BAR LINK

H&R 09-16 Audi A4 Quattro/S4 (AWD) Sway Bar Bushing (for 71361)

H&R

H&R 09-16 Audi A4 Quattro/S4 (AWD) Sway Bar Bushing (for 71361)

SuperPro sway bar

SuperPro

SuperPro Audi Sway Bar Mount 14mm Kit

SPC Performance auto part

SPC Performance

SPC Performance Boot Replacement Kit - 2

Handling Pac, Stage 3, B9 A4/A

034Motorsport

Handling Pac, Stage 3, B9 A4/A

TIE ROD,REAR B5 SPHERICAL.TIE

034Motorsport

TIE ROD,REAR B5 SPHERICAL.TIE

Sway Bar Kit, Rear, Audi B9

034Motorsport

Sway Bar Kit, Rear, Audi B9

Handling Pac, Stg2, B8 A4/A5/a

034Motorsport

Handling Pac, Stg2, B8 A4/A5/a

0

034Motorsport

Handling Pac, Stage 1, B8 A4/A

Sway Bar Kit, Rear, B8

034Motorsport

Sway Bar Kit, Rear, B8

Handling Pac, Stg3, Late B8 A4

034Motorsport

Handling Pac, Stg3, Late B8 A4

Handling Pac, Stage 1, B9 A4/a

034Motorsport

Handling Pac, Stage 1, B9 A4/a

Toe Links, Motorsport, B9

034Motorsport

Toe Links, Motorsport, B9

Toe Link, Density, B9 S4

034Motorsport

Toe Link, Density, B9 S4

CONTROL ARM KIT,UP ADJ,034 B5

034Motorsport

CONTROL ARM KIT,UP ADJ,034 B5

Springs, Set, B9 A4/Allroad

034Motorsport

Springs, Set, B9 A4/Allroad

Handling Pac, Stg3, Early B8 A

034Motorsport

Handling Pac, Stg3, Early B8 A

Sway Bar Kit, B9 Audi Track Pk

034Motorsport

Sway Bar Kit, B9 Audi Track Pk

Sway Bar Set, B8

034Motorsport

Sway Bar Set, B8

Eibach Set of 4 Springs - 15107.140

Eibach

Eibach Set of 4 Springs - 15107.140

DODGE ADJUSTABLE BALL JOINT

Specialty Products Inc.

DODGE ADJUSTABLE BALL JOINT

S

Specialty Products Inc.

AUDI/VW KNUCKLE PINCH HARDWARE

B6 AUDI & VW RACING ARM KIT

Specialty Products Inc.

B6 AUDI & VW RACING ARM KIT

S

Specialty Products Inc.

AUDI A4 RACING CONTROL ARMS

AUDI ADJUSTABLE UCA - RIGHT

Specialty Products Inc.

AUDI ADJUSTABLE UCA - RIGHT

AUDI ADJUSTABLE UCA - LEFT

Specialty Products Inc.

AUDI ADJUSTABLE UCA - LEFT

S

Specialty Products Inc.

AUDI A4 CONTROL ARMS RIGHT

AUDI A4 CONTROL ARMS LEFT

Specialty Products Inc.

AUDI A4 CONTROL ARMS LEFT

B8 AUDI & VW RACING ARM SET

Specialty Products Inc.

B8 AUDI & VW RACING ARM SET

AUDI ADJUSTABLE UCA - KIT

Specialty Products Inc.

AUDI ADJUSTABLE UCA - KIT

S

Specialty Products Inc.

AUDI A4 CONTROL ARMS KIT

S

Specialty Products Inc.

UCA S AUDI AND VW - KIT

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RSR Forged

RS-R 09-14 Audi A4 4WD 2.0 T (8KCDNF) Ti2000 Down Springs

UCA S AUDI AND VW - RIGHT

Specialty Products Inc.

UCA S AUDI AND VW - RIGHT

S

Specialty Products Inc.

UCA S AUDI AND VW - LEFT

ST Sport-tech Suspension Kit Audi A4 (8E/B6-B7) Sedan Quattro

Suspension Techniques

ST Sport-tech Suspension Kit Audi A4 (8E/B6-B7) Sedan Quattro

M

MONROE SHOCKS & STRUTS

OESPECTRUM SHOCK ABSORBER

S

Suspension Techniques

SPORT SPRINGS

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Suspension Techniques

ST Coilover Kit 09-14 Audi A4/A4 Quattro (B8)

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Suspension Techniques

ST Sport-tech Lowering Springs Audi A4 (8D/B5) Quattro Sedan+Wagon

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Suspension Techniques

ST Front Anti-Swaybar Set 08+ Audi A4 & S4 (B8) Sedan & Wagon/2wd & Quattro

Suspension Techniques coilovers

Suspension Techniques

ST XA-Height Adjustable Coilovers 17+ Audi A4 (B9) Sedan 2WD - W/O Elec. Dampers

Suspension Techniques coilovers

Suspension Techniques

ST Coilover Kit 98-01 Audi A4 (8D/B5) Sedan 2WD

MONROE SHOCKS & STRUTS strut brace

MONROE SHOCKS & STRUTS

SENSA-TRAC STRUTS

MONROE SHOCKS & STRUTS strut brace

MONROE SHOCKS & STRUTS

SENSA-TRAC STRUTS

MONROE SHOCKS & STRUTS strut brace

MONROE SHOCKS & STRUTS

QUICK-STRUT ASSEMBLY

Suspension Techniques coilovers

Suspension Techniques

ST XA Coilover Kit 09-14 Audi A4/A4 Quattro (B8)

Suspension Techniques coilovers

Suspension Techniques

ST X HEIGHT ADJUSTABLE COILOVER KIT

Suspension Techniques shock absorber

Suspension Techniques

ST Shock Kit Audi A4 (8D/B5) Quattro Sedan+Wagon

Suspension Techniques springs

Suspension Techniques

ST Audi A4 (B9) Sedan 2WD Adjustable Lowering Springs

Suspension Techniques auto part

Suspension Techniques

ST Sport-tech Suspension Kit Audi A4 (8E/B6-B7) Sedan 2WD

Suspension Techniques coilovers

Suspension Techniques

ST Coilover Kit 02-08 Audi A4 Quattro (8E/B6-B7) Wagon

S

Suspension Techniques

ST Sport-tech Lowering Springs Audi A4 (8E/B6-B7) Sedan 2WD

S

Suspension Techniques

ST Sport-tech Lowering Springs Audi A4 (8E/B6-B7) Convertible Wagon Quattro

M

MONROE SHOCKS & STRUTS

QUICK-STRUT ASSEMBLY

Suspension Techniques springs

Suspension Techniques

ST Audi A4 / S4 (B9) Sedan A5 S5 (B9) Coupe 4WD Adjustable Lowering Springs

Suspension Techniques springs

Suspension Techniques

ST Audi A4 (B9) Sedan 2WD Adjustable Lowering Springs

Suspension Techniques springs

Suspension Techniques

ST Audi A4 / S4 Wagon A5 S5 RS5 Cabrio. (B8) 2WD 4WD Adjustable Lowering Springs

Suspension Techniques coilovers

Suspension Techniques

ST XA Adjustable Coilovers 2018+ Audi A4/S4/A5 (B9) Sedan Quattro w/o Electronic Dampers

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