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.

Shop all Audi A4 parts →

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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M

Mahle

AUDI 1.8L AEB 1997-2000 (M11 X 1.5mm X 96mm #9 Torx)

BREATHER TUBE

Dorman

BREATHER TUBE

Engine Cylinder Head Gasket - 61-31875-00

Victor Reinz

Engine Cylinder Head Gasket - 61-31875-00

AUDI VW 3.0L 3.2L DOHC 24V 2005-2012

Mahle

AUDI VW 3.0L 3.2L DOHC 24V 2005-2012

WATER PUMP

Hella

WATER PUMP

Oil Pan Gasket AUDI 2771CC 2.8L SOHC 12V AFC 1995-1998

Mahle

Oil Pan Gasket AUDI 2771CC 2.8L SOHC 12V AFC 1995-1998

AIR FILTER

Denso

AIR FILTER

OIL FILTER

Bosch

OIL FILTER

~(0 lbs. 7X7X0)~ Volkswagen ABA SOHC 2.0L 1994-1999

Mahle

~(0 lbs. 7X7X0)~ Volkswagen ABA SOHC 2.0L 1994-1999

B

Bosch

OIL FILTER

GASKETS

Clevite

GASKETS

C

Clevite

AUDI / VOLKSWAGEN MULTIPLE APPLICATIONS 19962013 EXHAUST PIPE GASKET

~(0.4 lbs. 24X6X0)~ 49-56 GM V8 324cid 317cid 303cid

Mahle

~(0.4 lbs. 24X6X0)~ 49-56 GM V8 324cid 317cid 303cid

Intake Manifold Set Audi:9090 Quattro100100 Quattro w 2771ccAAH V6 Eng.(92-95)(int)

Mahle

Intake Manifold Set Audi:9090 Quattro100100 Quattro w 2771ccAAH V6 Eng.(92-95)(int)

Gates Radiator Cap Tester Adapter

Gates

Gates Radiator Cap Tester Adapter

C

Clevite

SLEEVE ASSEMBLY RING SET

Stoptech PQ Pro Brake Pads Rear Alfa Romeo Audi 100 100 Quattro 164 200 200 Quattro 4000 Quatt

Stoptech

Stoptech PQ Pro Brake Pads Rear Alfa Romeo Audi 100 100 Quattro 164 200 200 Quattro 4000 Quatt

ENGINE CAMSHAFT POSITION SENSOR

NGK

ENGINE CAMSHAFT POSITION SENSOR

~(0.2 lbs. 16X6X0)~ VW-PASS 1.8L 20VALVE DOHC TURBO 1998-2003

Mahle

~(0.2 lbs. 16X6X0)~ VW-PASS 1.8L 20VALVE DOHC TURBO 1998-2003

DISC BRAKE PADS

Bosch

DISC BRAKE PADS

CRANK CASE BREATHER

Dorman

CRANK CASE BREATHER

DISC BRAKE PADS

Bosch

DISC BRAKE PADS

D

Dorman

CONTROL ARM

C

Clevite

A/C BLOWER REGULATOR AND RESISTOR

SLEEVE ASSEMBLY RING SET

Clevite

SLEEVE ASSEMBLY RING SET

DISC BRAKE ROTOR

Hella

DISC BRAKE ROTOR

Engine Crankshaft Seal Kit - 81-90010-00

Victor Reinz

Engine Crankshaft Seal Kit - 81-90010-00

TURBOCHARGERS

Clevite

TURBOCHARGERS

AUDI/VW 1.4L AND 2.0L 2015-2018 Exhaust Manifold Gasket

Mahle

AUDI/VW 1.4L AND 2.0L 2015-2018 Exhaust Manifold Gasket

EXHAUST VALVE

Clevite

EXHAUST VALVE

BRAKE HOSE

Stoptech

BRAKE HOSE

BRAKE HOSE

Stoptech

BRAKE HOSE

INTAKE VALVE

Clevite

INTAKE VALVE

BREATHER TUBE

Dorman

BREATHER TUBE

Oil Pan Set AUDI VW 2.8L DOHC V6 30V 1997-2005

Mahle

Oil Pan Set AUDI VW 2.8L DOHC V6 30V 1997-2005

M

Mahle

~(0.1 lbs. 8X5X0)~ Timing Cover Gasket 14-17 Audi/VW 1.8L/2.0L

EXPANSION VALVE AND ORIFICE TUBE

Clevite

EXPANSION VALVE AND ORIFICE TUBE

BRAKE HOSE

Stoptech

BRAKE HOSE

BRAKE HOSE

Stoptech

BRAKE HOSE

H

Hella

SENSOR WHEEL SPEED

VW AUDI 2771CC 2.8L DOHC 30V 1997-2005

Mahle

VW AUDI 2771CC 2.8L DOHC 30V 1997-2005

M

Mahle

VW 2.0L TURBO BPY 2006-2008 CCTA 2008 CBFA 2008

FOR AUDI AUK BKH BYU

King Engine Bearings

FOR AUDI AUK BKH BYU

SENSOR CAMSHAFT POSITION

Hella

SENSOR CAMSHAFT POSITION

PREMIUM SWAY BAR BUSHING KIT

Stoptech

PREMIUM SWAY BAR BUSHING KIT

SPARK PLUG

Bosch

SPARK PLUG

GASOLINE INJECTOR

Bosch

GASOLINE INJECTOR

M

Mahle

~(0 lbs. 6X4X0)~ Volkswagen / BMW

Valve Cover Gasket VW 1984cc 2.0L Turbo L4 BPY 2006-2007

Mahle

Valve Cover Gasket VW 1984cc 2.0L Turbo L4 BPY 2006-2007

H

Hella

OIL PRESSURE SWITCH VAG

M

Mahle

Audi:1.5L1.6L1.7L1.8L1.9L2.0L(70-91) VW:1.51.6L(73-85)1.8L(84-88)

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

Mahle

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

Mahle auto part

Mahle

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

M

Mahle

Sleeve Assembly Ring Set Volkswagen PISTON RING SET-LV-Piston Ring Set-Piston ring set

CONTROL ARM

Dorman

CONTROL ARM

DISC BRAKE PADS

Bosch

DISC BRAKE PADS

CONTROL ARM

Dorman

CONTROL ARM

S

Stoptech

BRAKE HOSE

BRAKE HOSE

Stoptech

BRAKE HOSE

Connector - 87-10 Audi VW 57mm x 125mm

Magnaflow

Connector - 87-10 Audi VW 57mm x 125mm

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