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?

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Verified Fitment

Audi A4 Category engines and components Parts

763 parts available

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

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CAMSHAFT POSITION-SENSOR

Hella

CAMSHAFT POSITION-SENSOR

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

Mahle

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

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

Mahle

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

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

M

Mahle

Audi/VW 2.0L 2010-2018 RANKCASE SEPARATOR

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

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

BREATHER HOSE

Dorman

BREATHER HOSE

M

Mahle

AUDI 2.8L 3.0L3.2L 2008-2012

M

Mahle

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

C

Clevite

VALVE COVER SET

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

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

Mahle

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

C

Clevite

CONNECTING ROD BEARING SE

C

Clevite

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

VACUUM PUMP GASKET

Clevite

VACUUM PUMP GASKET

OIL FILTER

Bosch

OIL FILTER

Audi Volkswagen 1984cc 2.0L Gasoline Turbocharged 2008-2014

Mahle

Audi Volkswagen 1984cc 2.0L Gasoline Turbocharged 2008-2014

Valve Cover Gasket (Left) AUDI 2995CC 3.0L 3123CC 3.2L 2008-

Mahle

Valve Cover Gasket (Left) AUDI 2995CC 3.0L 3123CC 3.2L 2008-

M

Mahle

Mahle Oil Filter Audi A3 A4 TT 2.0L gas Turbo 2005-2009 VW 2.0L Gas Turbo 2.5L FI 2005-

C

Clevite

VOLKSWAGEN TRANSPORTER 4 CIL. 2.0L TDI 2010> VW AMAROK 4 CIL. 2.0L TDI MAHLE

M

Mahle

Volkswagen ABA SOHC 2.0L 1994-1999

OIL FILTER

Bosch

OIL FILTER

GASKETS

Clevite

GASKETS

Valve Cover Gasket (Right) AUDI 2995CC 3.0L 3123CC 3.2L 2008-

Mahle

Valve Cover Gasket (Right) AUDI 2995CC 3.0L 3123CC 3.2L 2008-

Timing Cover Gasket 14-18 Audi/VW 1.8L and 2.0L

Mahle

Timing Cover Gasket 14-18 Audi/VW 1.8L and 2.0L

M

Mahle

~(0.1 lbs. 3X3X1)~ Audi:5000 GasandDiesel(78-84)VWVolvo:D24 Eng.(80-86)TIMING COVER

V

Victor Reinz

Engine Crankshaft Seal - 81-19299-10

Melling intake system

Melling

Intake Valve

Melling exhaust

Melling

Exhaust Valve

Melling auto part

Melling

Rocker Arm

Melling auto part

Melling

Rocker Arm

Melling auto part

Melling

Hydraulic Lifter

Melling auto part

Melling

Hydraulic Lifter

Supertech Retainer Audi 2.0T FSI (for Spring SPR-A2416-BE2 Beehive)

Supertech

Supertech Retainer Audi 2.0T FSI (for Spring SPR-A2416-BE2 Beehive)

Supertech Steel Retainer Audi 2.0T FSI- for Spring SPR-A2416 7 Degree

Supertech

Supertech Steel Retainer Audi 2.0T FSI- for Spring SPR-A2416 7 Degree

King Engine Bearings OE Replacement Bi-Metal Rod Bearings for Audi AUK. BKH, BYU

King Engine Bearings

King Engine Bearings OE Replacement Bi-Metal Rod Bearings for Audi AUK. BKH, BYU

Supertech 81mm Bore Piston Rings - 1x3.10 / 1.2x3.40 / 2.8x3.10mm High Performance Gas Nitrided

Supertech

Supertech 81mm Bore Piston Rings - 1x3.10 / 1.2x3.40 / 2.8x3.10mm High Performance Gas Nitrided

Supertech Audi/VW 2.0TFSI Single Valve Spring - Single (Drop Ship Only)

Supertech

Supertech Audi/VW 2.0TFSI Single Valve Spring - Single (Drop Ship Only)

Supertech Toyota 4AGE 20V / VW 1.8T AEB / 2.7T APB 5V Intake Valve Spring

Supertech

Supertech Toyota 4AGE 20V / VW 1.8T AEB / 2.7T APB 5V Intake Valve Spring

Supertech 81.5mm Bore Piston Rings - 1x3.10 / 1.2x3.40 / 2.8x3.10mm High Performance Gas Nitrided

Supertech

Supertech 81.5mm Bore Piston Rings - 1x3.10 / 1.2x3.40 / 2.8x3.10mm High Performance Gas Nitrided

Supertech black intake system

Supertech

Supertech Audi/VW 1.8T 5V Black Nitrided Intake Valve - Single (Drop Ship Only)

Supertech titanium auto part

Supertech

Supertech Titanium Retainer for SPR-H1000 Series - Single (Drop Ship Only)

Supertech exhaust

Supertech

Supertech Audi 1.8T/2.7T Manganese Bronze Intake/Exhaust Valve Guide Oversize OD 11.075mm

Supertech titanium auto part

Supertech

Supertech VW Titanium Retainer for 8mm Valve Stem Triple Groove

Supertech titanium intake system

Supertech

Supertech Titanium Retainer for Audi 5V Intake Spring SPR-A2095 (12)

Supertech black exhaust

Supertech

Supertech Audi/VW 1.8T 5V Triple Groove Black Nitride Exhaust Valve - Single (Drop Ship Only)

Supertech titanium auto part

Supertech

Supertech Titanium Retainer for Audi R8 V8/V10 - Single (Drop Ship Only)

ARP hardware kit

ARP

ARP VW 1.8L & 2.0L Water-Cooled Rod Bolt Kit (Set of 2)

King Engine Bearings auto part

King Engine Bearings

King Engine Bearings Audi A4 1.8L AEB (Size +.50 Oversized) Main Bearing Set

ACL auto part

ACL

ACL VW 4 1780-1983cc 1983-on Engine Connecting Rod Bearing Set

ACL auto part

ACL

ACL VW 4 1780-1983cc 1983-on Engine Connecting Rod Bearing Set

ACL auto part

ACL

ACL 75-05 Volkswagen 1.0-1.9L Standard Size Thrust Washers

I

Italian RP

Italian RP - IRPR149-1

VALVE SET,2.0T FSI SS INCONEL

034Motorsport

VALVE SET,2.0T FSI SS INCONEL

0

034Motorsport

ROD BEARING SET,COATED,I4AUDI

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