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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KW coilovers

KW

KW Coilover Kit V2 Audi A4 (8E/B6/B7) Sedan; FWD; all engines

Bilstein shock absorber

Bilstein

Bilstein B6 2002 Audi A4 Base FWD Rear 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 Control Arm - Left

KW auto part

KW

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

KYB shock absorber

KYB

KYB Shocks & Struts Strut Mounts Front AUDI A4 1995-01 AUDI A6 1998-04 AUDI A8 1997-03 AUDI Allroad

H&R sway bar

H&R

H&R 09-17 Audi A5 Cabrio/A5 Quattro (AWD) B8 Sway Bar Kit - 30mm Front/24mm Rear

KONI shock absorber

KONI

Koni Special Active Shock Front - 09-16 Audi A4 FWD/AWD

H&R auto part

H&R

H&R 02-08 Audi A4/A4 Avant (2WD) 4 Cyl/V6 8E Street Perf. Coil Over (Incl. Facelift Model)

KW auto part

KW

KW A4 B9 Sedan 2WD 48.5mm H.A.S.

Bilstein shock absorber

Bilstein

Bilstein B4 2009 Audi A4 Trendy Plus Rear Shock Absorber

H&R springs

H&R

H&R 96-01 Audi A4 4 Cyl (2WD) B5 Sport Spring

KW coilovers

KW

KW Coilover Kit V3 Audi A4 S4 (8D/B5 B5S) Sedan + Avant; Quattro incl. S4; all engines

H&R springs

H&R

H&R 02-09 Audi A4 Cabrio (2WD/AWD) 4 Cyl/V6 8H Sport Spring (Incl. Facelift Model)

Hotchkis sway bar

Hotchkis

Hotchkis 02-06 Mini Cooper Sport Rear Sway Bar Rebuild Kit (22800R)

Air Lift auto part

Air Lift

Air Lift Performance 17-25 Audi A4 B9 Quattro Front Kit

SPC Performance control arms

SPC Performance

SPC Performance Audi B9 Upper Control Arm Front Right

SPC Performance control arms

SPC Performance

SPC Performance 09-17 Audi A4/RS4/S4 / 09-16 Audi A5/S5 Front Adj Upper Multi Link Control Arm Kit

KW coilovers

KW

KW Coilover Kit V2 Audi A5 S5 (all engines all models) w/o electronic dampening control

KW coilovers

KW

KW Coilover Kit V1 Audi A4 S4 (8D/B5 B5S) Sedan + Avant; Quattro incl. S4; all engines

KW coilovers

KW

KW Coilover Kit V1 2018+ Audi A5 (B9) Sportback Quattro w/o Electronic Dampening (50mm)

KW coilovers

KW

KW Coilover Kit V2 Audi A4 (8E/B6) Sedan Quattro; all engines exc S4

H&R springs

H&R

H&R 09-16 Audi A4/A5/S4/S5 Cabrio/Quattro (AWD) B8 VTF Adjustable Lowering Springs (Incl. MRC)

KW auto part

KW

KW A4 B9 Sedan 2WD With Electronic Dampers H.A.S.

H&R springs

H&R

H&R 09-16 Audi A4/A4 Quattro/S4 (2WD/4WD) B8 OE Sport Spring

KONI shock absorber

KONI

Koni Sport (Yellow) Shock 95-01 Audi A4 Sedan & Avant Quattro - Front

SPC Performance auto part

SPC Performance

SPC Performance 01-08 Audi A4 Rear Toe Kit

H&R sway bar

H&R

H&R 09-16 Audi A4 Quattro/S4 (AWD) B8 Sway Bar Kit - 30mm Front/24mm Rear

KW coilovers

KW

KW Coilover Kit V1 2017+ Audi A4 (B9) Sedan / A5 Coupe Quattro w/o Electronic Dampening (48.5mm)

H

H&R

H&R 17-21 Audi A4 Premium/A4 Premium Plus (2WD) B9 Street Perf. Coil Over (Before 7/11/16 & w/o MRC)

KONI shock absorber

KONI

Koni Sport (Yellow) Shock 02-08 Audi A4 FWD & Quattro Sedan/ Avant & Cabriolet - Rear

Bilstein shock absorber

Bilstein

Bilstein B6 1996 Audi A4 Base Front 36mm Monotube Shock Absorber

Bilstein shock absorber

Bilstein

Bilstein 17-21 Audi A4 Quattro / 18-21 A5 Quattro Performance Shock Front

Bilstein B4 2009 Audi A4 Base Front Shock Absorber

Bilstein

Bilstein B4 2009 Audi A4 Base Front Shock Absorber

KW coilovers

KW

KW Coilover Kit V3 Audi A7 (4G)

KONI shock absorber

KONI

Koni Sport (Yellow) Shock 09-13 Audi A4 FWD & Quattro excl. Audi S-line suspension - Front

Bilstein shock absorber

Bilstein

Bilstein B4 2005 Audi S4 Base Rear Twintube Shock Absorber

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Eibach

Eibach Pro-Kit for 02-08 Audi A4 Avant Wagon/Quattro/B6/B7

H&R black hardware kit

H&R

H&R Trak+ 10mm DR Wheel Adaptor Bolt 5/112 Center Bore 57.1 Bolt Thread 14x1.5 - Black

KYB shock absorber

KYB

KYB Shocks & Struts Excel-G Front AUDI A4 2007

KONI shock absorber

KONI

Koni Special Active Shock Kit 02-08 Audi A4 Quattro 4cyl. Sedan

KW auto part

KW

KW Street Comfort Kit Audi A4 S4 (8K/B8) w/o electronic dampening control Sedan FWD + Quattro

KYB shock absorber

KYB

KYB Shocks & Struts Excel-G Front AUDI A4 1995-01

Bilstein shock absorber

Bilstein

Bilstein B4 2009 Audi A4 Trendy Plus Rear Shock Absorber

Bilstein shock absorber

Bilstein

Bilstein B8 1998 Audi A4 Quattro Avant Rear 36mm Monotube Shock Absorber

Bilstein shock absorber

Bilstein

Bilstein B8 Performance Plus 17-19 Audi A4 / A4 Quattro Front Monotube Shock

KW auto part

KW

KW Street Comfort Kit Audi A7 (4G)

KYB shock absorber

KYB

KYB Shocks & Struts Strut Mounts Rear AUDI A4 2003-09 AUDI A6 1995-10 AUDI RS4 2007-08 AUDI S4 2004-

KONI shock absorber

KONI

Koni Special Active Shock 09-16 Audi A4 FWD / AWD Front

SPC Performance auto part

SPC Performance

SPC Performance 10-14 VW Golf / 05-10 VW Jetta / 06-09 VW Rabbit Rear Adjustable Camber Arm

Bilstein B8 95-00 Audi A4/A6 (Base/Avant)/96-00 VW Passat Front 36mm Monotube Shock Absorber

Bilstein

Bilstein B8 95-00 Audi A4/A6 (Base/Avant)/96-00 VW Passat Front 36mm Monotube Shock Absorber

Bilstein shock absorber

Bilstein

Bilstein B8 Performance Audi A4 2006-2002 / A4 Quattro 2006-2002 Rear Monotube Shock

KYB shock absorber

KYB

KYB Shocks & Struts Excel-G Rear AUDI A4 1995-01

Bilstein shock absorber

Bilstein

Bilstein B8 2002 Audi A4 Base FWD Front 46mm Monotube Shock Absorber

KYB shock absorber

KYB

KYB Shocks & Struts Excel-G Front 2009-2012 AUDI A4/A4 Quattro

Bilstein shock absorber

Bilstein

Bilstein B6 2009 Audi A4 Quattro Avant Rear 46mm Monotube Shock Absorber

KW auto part

KW

KW H.A.S. 2017+ Audi A4/S4 B9 w/ EDC

SPC Performance control arms

SPC Performance

SPC Performance 09-17 Audi A4/S4/RS4 /09-16 Audi A5/S5 Front Adj Upper Racing Control Arm Kit

KW auto part

KW

KW Street Comfort Kit Audi A6 (4F) Sedan; FWD + Quattro; all engines

KYB shock absorber

KYB

KYB Shocks & Struts Excel-G 09-13 Audi A4 Rear Strut

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.

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  • Performance gain estimates based on real-world results
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