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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VW-Pass 1.9L TDI ALH 10 00-2004 BEW 2004-2006 BRM 2005-2006

Mahle

VW-Pass 1.9L TDI ALH 10 00-2004 BEW 2004-2006 BRM 2005-2006

C

Clevite

FUEL INJECTOR O-RING KIT

C

Clevite

SLEEVE ASSEMBLY RING SET

C

Clevite

AUDI 3.0L 3.2L DOHC 24V 20052012 PLENUM CHAMBER

CRANKSHAFT SENSOR

Bosch

CRANKSHAFT SENSOR

RETAINING RING

Bosch

RETAINING RING

INTAKE VALVE

Clevite

INTAKE VALVE

G

Gates

Gates Power Steering Repair Kit

B

Bosch

BE1953H BRAKE PADS

M

Mahle

~(0.3 lbs. 23X15X0)~ 96-08 VW/Audi

~(0.9 lbs. 11X9X1)~ Audi A4 2.0L TDI 3.2L A5 3.2L Q5 3.2L S5 4.2L 08-09

Mahle

~(0.9 lbs. 11X9X1)~ Audi A4 2.0L TDI 3.2L A5 3.2L Q5 3.2L S5 4.2L 08-09

NTK EH0335 CAM/CRANK POSITION SENSOR

NGK

NTK EH0335 CAM/CRANK POSITION SENSOR

Cabriolet A4 1.8L Turbo 2002-2005 2.0L Turbo 2005-2008 3.0L 2002-2005

Mahle

Cabriolet A4 1.8L Turbo 2002-2005 2.0L Turbo 2005-2008 3.0L 2002-2005

SENSOR CAMSHAFT POSITION

Hella

SENSOR CAMSHAFT POSITION

AUDI 2771CC 2.8L SOHC 12V 1996-1998

Mahle

AUDI 2771CC 2.8L SOHC 12V 1996-1998

B

Bosch

DISC BRAKE PADS

SENSOR WHEEL SPEED

Hella

SENSOR WHEEL SPEED

Audi S4 Cabriolet 4.2L 2004-2008

Mahle

Audi S4 Cabriolet 4.2L 2004-2008

BEHR ThermostatInsert 2009-2013 VW Audi 2.0L with BEHR waterpump

Mahle

BEHR ThermostatInsert 2009-2013 VW Audi 2.0L with BEHR waterpump

Audi A4 2.0L TDI 3.2L A6 3.2L 4.2L A8 R8 RS4 S4 4.2L S6 and S8 5.2L

Mahle

Audi A4 2.0L TDI 3.2L A6 3.2L 4.2L A8 R8 RS4 S4 4.2L S6 and S8 5.2L

C

Clevite

ENGINE COOLANT THERMOSTAT

Flange Gasket - 09-14 Audi A4 Quattro

Magnaflow

Flange Gasket - 09-14 Audi A4 Quattro

ARMATURE

Bosch

ARMATURE

Bolt - 97-10 Audi VW

Magnaflow

Bolt - 97-10 Audi VW

BRAKE PADS

Bosch

BRAKE PADS

Audi Cabriolet A4 S4 2003-2007 Allroad 2001-2005 A6 S6 2001-2004

Mahle

Audi Cabriolet A4 S4 2003-2007 Allroad 2001-2005 A6 S6 2001-2004

B

Bosch

BEARING SLEEVE

BEHR ThermostatIntegral AUDI VW 1.8L 2.0L BGB BPJ BUL BWE BYK AMB BPG BWT

Mahle

BEHR ThermostatIntegral AUDI VW 1.8L 2.0L BGB BPJ BUL BWE BYK AMB BPG BWT

Clevite auto part

Clevite

AUDI / VOLKSWAGEN 1984CC 2.0L GASOLINE TURBOCHARGED 20082014 VALVE COVER SET

PROTECTIVE CAP

Bosch

PROTECTIVE CAP

SENSOR CAMSHAFT POSITION

Hella

SENSOR CAMSHAFT POSITION

THERMAL PRODUCTS

Clevite

THERMAL PRODUCTS

B

Bosch

DISC BRAKE ROTOR

AUDI 2976CC 3.0L 20022006 TIMING COVER SET

Clevite

AUDI 2976CC 3.0L 20022006 TIMING COVER SET

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

Clevite

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

PARTS SET

Bosch

PARTS SET

SENSOR PARKING ASSIST

Hella

SENSOR PARKING ASSIST

Audi A4 1.8L Turbo AMB 2002-2006

Mahle

Audi A4 1.8L Turbo AMB 2002-2006

AIR FILTER

Denso

AIR FILTER

AUDI A4 3.2L 2007> AUDI A5 3.2L AND 4.2L 2007> MAHLE AIR FILTER

Clevite

AUDI A4 3.2L 2007> AUDI A5 3.2L AND 4.2L 2007> MAHLE AIR FILTER

CABIN AIR FILTER

Clevite

CABIN AIR FILTER

MAHLE FILTERS

Clevite

MAHLE FILTERS

BOSCH WHEEL SPEED SENSOR

Bosch

BOSCH WHEEL SPEED SENSOR

H

Hella

WARNING CONTACT, BRAKE PAD WEAR

NTK EC0240 CAM/CRANK POSITION SENSOR

NGK

NTK EC0240 CAM/CRANK POSITION SENSOR

STANDARD BALL BEARING

Stoptech

STANDARD BALL BEARING

M

Mahle

Oil Pan Set HYUNDAI 1975CC 2.0L BETA 1997-2007

BRAKE PAD SET, DISC BRAKE

Hella

BRAKE PAD SET, DISC BRAKE

Gates 19/32in x 19/32in x 12 1/8in

Gates

Gates 19/32in x 19/32in x 12 1/8in

TURBOCHARGER MOUNTING GASKET SET

Clevite

TURBOCHARGER MOUNTING GASKET SET

Engine Cylinder Head Bolt Set - 14-32166-03

Victor Reinz

Engine Cylinder Head Bolt Set - 14-32166-03

CRANKSHAFT SENSOR

Bosch

CRANKSHAFT SENSOR

AUDI / VW 3.0L 3.2L DOHC 24V 20052012 CYLINDER HEAD BOLTS

Clevite

AUDI / VW 3.0L 3.2L DOHC 24V 20052012 CYLINDER HEAD BOLTS

B

Bosch

MAP SENSOR

NON-RETURN VALVE

Hella

NON-RETURN VALVE

COOLING FAN

Bosch

COOLING FAN

CONTROL ARM

Dorman

CONTROL ARM

B

Bosch

COMMUTATOR END SHIEL

CONTROL ARM

Dorman

CONTROL ARM

AIR FILTER ELEMENT

Clevite

AIR FILTER ELEMENT

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