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 Parts

8164 parts available

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

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IGNITION COIL

Bosch

IGNITION COIL

STANDARD BALL BEARING

Stoptech

STANDARD BALL BEARING

CAMSHAFT POSITION-SENSOR

Hella

CAMSHAFT POSITION-SENSOR

AUDI VOLKSWAGEN 2.7L 2.8L 2000-2005

Mahle

AUDI VOLKSWAGEN 2.7L 2.8L 2000-2005

COUPLER PLUG X 3/4-16 SAE F

Bosch

COUPLER PLUG X 3/4-16 SAE F

Valve Cover Gasket (Right) AUDI 3123CC 3.2L BKH 2005-2009

Mahle

Valve Cover Gasket (Right) AUDI 3123CC 3.2L BKH 2005-2009

Stoptech PosiQuiet Ceramic Pads VAR

Stoptech

Stoptech PosiQuiet Ceramic Pads VAR

M

Mahle

Valve Cover Set AUDI VW AHA 2.8L 1997-1999

Mahle auto part

Mahle

General Gasket Set 07-15 Audi/VW 2.0L Turbocharged

B

Bosch

DISC BRAKE PADS

CABIN AIR FILTER

Denso

CABIN AIR FILTER

FUEL FILTER

Bosch

FUEL FILTER

SPARK PLUG

Bosch

SPARK PLUG

Engine Cylinder Head Gasket - 61-37435-20

Victor Reinz

Engine Cylinder Head Gasket - 61-37435-20

FITTING 90-ELBOW 37-FLARE (M)

Bosch

FITTING 90-ELBOW 37-FLARE (M)

Valve Cover Set AUDI 2976CC 3.0L AVK BGN 2002-2006

Mahle

Valve Cover Set AUDI 2976CC 3.0L AVK BGN 2002-2006

C

Clevite

AUDI:9090 QUATTRO100100 QUATTROW/2771CCAAHV6 ENG.(9295)VALVE COVER VALVE

C

Clevite

AUDI / VW AHA 2.8L 19971999 VALVE COVER SET

S

Stoptech

Std Brake Rotor

H

Hella

BRAKE PAD SET DISC BRAKE

V

Victor Reinz

Engine Coolant Thermostat Seal - 41-76367-00

TRAILING ARM BUSHING

Dorman

TRAILING ARM BUSHING

Engine Crankshaft Seal - 81-23708-40

Victor Reinz

Engine Crankshaft Seal - 81-23708-40

Engine Coolant Thermostat Housing Seal - 41-10434-00

Victor Reinz

Engine Coolant Thermostat Housing Seal - 41-10434-00

RETAINING RING

Bosch

RETAINING RING

MAF SENSOR

Bosch

MAF SENSOR

POSI-QUIET SEMI-METALLIC BRAKE PADS

Stoptech

POSI-QUIET SEMI-METALLIC BRAKE PADS

FLUID RESERVOIR

Dorman

FLUID RESERVOIR

SWAY BAR LINK

Dorman

SWAY BAR LINK

AIR FILTER ELEMENT

Mahle

AIR FILTER ELEMENT

B

Bosch

DISC BRAKE PADS

BRAKE HOSE

Stoptech

BRAKE HOSE

BRAKE PADS

Bosch

BRAKE PADS

IGNITION COIL

Bosch

IGNITION COIL

DISC BRAKE ROTOR

Bosch

DISC BRAKE ROTOR

THERMAL PRODUCTS

Clevite

THERMAL PRODUCTS

POWERCLEAR WIPERBLADE SET

PowerStop

POWERCLEAR WIPERBLADE SET

HVAC Blower Motor Regulator

Mahle

HVAC Blower Motor Regulator

DISC BRAKE PADS

Bosch

DISC BRAKE PADS

C

Clevite

VW JETTA SCIROCCO RABBIT GOLF GTI W/O 16 VALVE 1990 CABRIO 19952002 MAHLE

DISC BRAKE PADS

Bosch

DISC BRAKE PADS

M

Mahle

Audi/VW 2.0L 2010-2018 RANKCASE SEPARATOR

Exhaust Pipe Flange Gasket - 71-40868-00

Victor Reinz

Exhaust Pipe Flange Gasket - 71-40868-00

Engine Valve Cover Gasket - 71-40488-00

Victor Reinz

Engine Valve Cover Gasket - 71-40488-00

Vacuum Pump Gasket - 71-37523-00

Victor Reinz

Vacuum Pump Gasket - 71-37523-00

CABIN AIR FILTER

Bosch

CABIN AIR FILTER

AUDI 3123cc 3.2L BKH 2005-2009

Mahle

AUDI 3123cc 3.2L BKH 2005-2009

M

Mahle

Sleeve Assembly Ring Set PISTON RING SET-LV-Piston Ring Set-PISTON RING SET

~(0 lbs. 10X8X0)~ AUDI 2.7L 3.0L 2002-2006

Mahle

~(0 lbs. 10X8X0)~ AUDI 2.7L 3.0L 2002-2006

M

Mahle

Valve Cover Set AUDI 3123CC 3.2L BKH 2005-2009

Audi Volkswagen 1984cc 2.0L Gasoline Turbocharged 2008-2014

Mahle

Audi Volkswagen 1984cc 2.0L Gasoline Turbocharged 2008-2014

C

Clevite

AUDI (7106) VOLKSWAGEN (9609) MAHLE OIL FILTER

Exhaust Pipe Flange Gasket - 71-40926-00

Victor Reinz

Exhaust Pipe Flange Gasket - 71-40926-00

V

Victor Reinz

Exhaust Manifold Gasket - 71-37422-00

H

Hella

LAMBDA PROBE

BREATHER HOSE

Dorman

BREATHER HOSE

M

Mahle

AUDI 2.8L 3.0L3.2L 2008-2012

B

Bosch

FORD CAM HOLDER

Stoptech PQ Pro Brake Pads Rear Audi A4 A4 allroad A4 Quattro A5 A5 Quattro allroad Q5 2008 -

Stoptech

Stoptech PQ Pro Brake Pads Rear Audi A4 A4 allroad A4 Quattro A5 A5 Quattro allroad Q5 2008 -

WARNING CONTACT BRAKE PAD WEAR

Hella

WARNING CONTACT BRAKE PAD WEAR

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