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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Engine Valve Cover Gasket - 71-36774-00

Victor Reinz

Engine Valve Cover Gasket - 71-36774-00

Engine Timing Cover Gasket - 71-38942-00

Victor Reinz

Engine Timing Cover Gasket - 71-38942-00

A/C Receiver Drier

Mahle

A/C Receiver Drier

Engine Valve Cover Gasket - 71-40486-00

Victor Reinz

Engine Valve Cover Gasket - 71-40486-00

M

Mahle

A/C Receiver Drier

~(0.8 lbs. 12X8X1)~ Quattro 2004-2000 Allroad Quattro 2005-2001 S4 2009-2004 MAHLE Cabin Air

Mahle

~(0.8 lbs. 12X8X1)~ Quattro 2004-2000 Allroad Quattro 2005-2001 S4 2009-2004 MAHLE Cabin Air

CRANKSHAFT-SENSOR

Hella

CRANKSHAFT-SENSOR

Audi A4 1.8L Turbo 2.8L 1996-2001 Cabriolet 2.8L AAH AFC 1995

Mahle

Audi A4 1.8L Turbo 2.8L 1996-2001 Cabriolet 2.8L AAH AFC 1995

CONTROL ARM

Dorman

CONTROL ARM

S

Stoptech

SEMI-LOADED CALIPER

Engine Valve Cover Gasket - 71-36044-00

Victor Reinz

Engine Valve Cover Gasket - 71-36044-00

M

Mahle

Sleeve Assembly Ring Set VW Ring Set 2.0L A3 TT Beetle CC EOS Golf Eng. Code CAWB CBFA

Engine Valve Cover Gasket Set - 71-35187-00

Victor Reinz

Engine Valve Cover Gasket Set - 71-35187-00

Exhaust Manifold Gasket Set - 71-31958-00

Victor Reinz

Exhaust Manifold Gasket Set - 71-31958-00

Exhaust Manifold Gasket - 71-31802-00

Victor Reinz

Exhaust Manifold Gasket - 71-31802-00

Engine Intake Manifold Gasket - 71-33215-00

Victor Reinz

Engine Intake Manifold Gasket - 71-33215-00

IDLER PULLEY

Dorman

IDLER PULLEY

BLEEDER VALVE

Bosch

BLEEDER VALVE

B

Bosch

PARTS SET

DISC BRAKE PADS

Bosch

DISC BRAKE PADS

KNOCK SENSOR

Bosch

KNOCK SENSOR

Engine Water Pump Gasket - 71-38928-00

Victor Reinz

Engine Water Pump Gasket - 71-38928-00

S

Stoptech

PREMIUM TIE ROD END

Engine Oil Pan Gasket - 71-31706-00

Victor Reinz

Engine Oil Pan Gasket - 71-31706-00

Engine Oil Filter Adapter Gasket - 71-37576-00

Victor Reinz

Engine Oil Filter Adapter Gasket - 71-37576-00

C

Clevite

VALVE COVER SET

Engine Valve Cover Gasket - 71-31697-00

Victor Reinz

Engine Valve Cover Gasket - 71-31697-00

C

Clevite

AUDI S4 CABRIOLET 4.2L 20042008 MAHLE FUEL FILTER

AUDI 2671CC 2.7L BEL APB 2000-2006

Mahle

AUDI 2671CC 2.7L BEL APB 2000-2006

V

Victor Reinz

Engine Valve Cover Gasket Set - 15-10116-01

Gates Power Steering Pressure Line Hose Assembly

Gates

Gates Power Steering Pressure Line Hose Assembly

S

Stoptech

C-TEK Semi-Metallic Brake

SENSOR PARKING ASSIST

Hella

SENSOR PARKING ASSIST

Engine Intake Manifold Gasket Set - 71-36072-00

Victor Reinz

Engine Intake Manifold Gasket Set - 71-36072-00

S

Stoptech

PREMIUM SWAY BAR LINK

Engine Intake Manifold Gasket - 71-31701-00

Victor Reinz

Engine Intake Manifold Gasket - 71-31701-00

C

Clevite

AUDI 2995CC 3.0L 3123CC 3.2L 2008 VALVE COVER GASKET (RIGHT)

C

Clevite

VWPASS 1.8L 20VALVE DOHC TURBO 19982003 INTAKE MANIFOLD GASKET

IGNITION COIL

Hella

IGNITION COIL

Fuel Injection Plenum Gasket - 71-31702-00

Victor Reinz

Fuel Injection Plenum Gasket - 71-31702-00

DISC BRAKE PADS

Bosch

DISC BRAKE PADS

C

Clevite

AUDI 3123CC 3.2L BKH CALA CALB 20052012 THROTTLE BODY GASKET

Engine Intake Manifold Gasket Set - 11-37599-01

Victor Reinz

Engine Intake Manifold Gasket Set - 11-37599-01

ENGINE CRANKSHAFT POSITION SENSOR

NGK

ENGINE CRANKSHAFT POSITION SENSOR

ENGINE CRANKSHAFT POSITION SENSOR

NGK

ENGINE CRANKSHAFT POSITION SENSOR

TURBOCHARGER MOUNTING GASKET SET

Mahle

TURBOCHARGER MOUNTING GASKET SET

C

Clevite

AUDI A4 2.0L TDI 3.2L A5 3.2L Q5 3.2L S5 4.2L 0809 MAHLE CABIN AIR FILTER

AUDI/VW 1.8L AND 2.0L 2013-2018 TURBOCHARGED Fuel Injection O-Ring

Mahle

AUDI/VW 1.8L AND 2.0L 2013-2018 TURBOCHARGED Fuel Injection O-Ring

C

Clevite

AUDI 2995CC 3.0L 3123CC 3.2L 2008 VALVE COVER SET

M

Mahle

Cylinder Head Gasket VW-Pass 2771cc 2.8L ATQ 1998-2005

AUDI 1.8L 1781CC 1997-2006 ATW AWM BEA AMB

Mahle

AUDI 1.8L 1781CC 1997-2006 ATW AWM BEA AMB

M

Mahle

AUDI 3.0L 3.2L DOHC 24V 2005-2012

C

Clevite

AUDI 3123CC 3.2L BKH 20052009 VALVE COVER SET

C

Clevite

AUDI A4 1.8L TURBO 2.8L 19962001 CABRIOLET 2.8L AAH AFC 1995 MAHLE CABIN AI

AUDI A4 2.0L TDI 3.2L A6 3.2L 4.2L A8 R8 RS4 S4 4.2L S6 & S8 5.2L MAHLE

Clevite

AUDI A4 2.0L TDI 3.2L A6 3.2L 4.2L A8 R8 RS4 S4 4.2L S6 & S8 5.2L MAHLE

AIR FILTER

Denso

AIR FILTER

C

Clevite

CONNECTING ROD BEARING SE

C

Clevite

VOLKSWAGEN 1588CC 1780CC 1781CC 1984CC ENGINES CONNECTING ROD BEARING SET

SENSOR PARKING ASSIST

Hella

SENSOR PARKING ASSIST

Exhaust Pipe Flange Gasket - 71-24057-20

Victor Reinz

Exhaust Pipe Flange Gasket - 71-24057-20

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