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 Category gaskets and seals Parts

287 parts available

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

Free Shipping
30-Day Returns
Cometic Gasket auto part

Cometic Gasket

Cometic Volkswagen 2.0L 16v TFSI EA888 .030in MLS Cylinder Head Gasket - 82.5mm Bore

Cometic Gasket auto part

Cometic Gasket

Cometic Volkswagen 2.0L 16v TFSI EA888 .027in MLS Cylinder Head Gasket - 82.5mm Bore

Cometic Gasket auto part

Cometic Gasket

Cometic Volkswagen 2.0L 16v TFSI EA113 .030in MLS Cylinder Head Gasket - 83.5mm Bore

Cometic Gasket auto part

Cometic Gasket

Cometic Volkswagen 1.8L 20v T EA827 .066in MLS Cylinder Head Gasket - 85mm Bore

Cometic Gasket auto part

Cometic Gasket

Cometic Volkswagen 1.8L 20v T EA827 .070in MLS Cylinder Head Gasket - 82mm Bore

Cometic Gasket auto part

Cometic Gasket

Cometic Volkswagen 2.0L 16v TFSI EA113 .056in MLS Cylinder Head Gasket - 83.5mm Bore

Cometic Gasket auto part

Cometic Gasket

Cometic Volkswagen 1.8L 20v T EA827 .084in MLS Cylinder Head Gasket - 82mm Bore

Cometic Gasket auto part

Cometic Gasket

Cometic Volkswagen 2.0L 16v TFSI EA113 .060in MLS Cylinder Head Gasket - 83.5mm Bore

Cometic Gasket auto part

Cometic Gasket

Cometic Volkswagen 2.0L 16v TFSI EA113 .027in MLS Cylinder Head Gasket - 83.5mm Bore

Cometic Gasket auto part

Cometic Gasket

Cometic Volkswagen 1.8L 20v T EA827 .060in MLS Cylinder Head Gasket - 82mm Bore

Cometic Gasket auto part

Cometic Gasket

Cometic Volkswagen 1.8L 20v T EA827 .086in MLS Cylinder Head Gasket - 82mm Bore

Cometic Gasket auto part

Cometic Gasket

Cometic Ford 59A Flathead V8 .031in Fiber Oil Pump Screen Cover - 1945-1948

Cometic Gasket auto part

Cometic Gasket

Cometic Volkswagen 1.8L 20v T EA827 .095in MLS Cylinder Head Gasket - 85mm Bore

Cometic Gasket auto part

Cometic Gasket

Cometic Volkswagen 1.8L 20v T EA827 .080in MLS Cylinder Head Gasket - 85mm Bore

Cometic Gasket auto part

Cometic Gasket

Cometic Volkswagen 1.8L 20v T EA827 .030in MLS Cylinder Head Gasket - 82mm Bore

Cometic Gasket auto part

Cometic Gasket

Cometic Volkswagen 2.0L 16v TFSI EA113 .084in MLS Cylinder Head Gasket - 83.5mm Bore

Cometic Gasket auto part

Cometic Gasket

Cometic Volkswagen 2.0L 16v TFSI EA113 .092in MLS Cylinder Head Gasket - 83.5mm Bore

Cometic Gasket auto part

Cometic Gasket

Cometic Volkswagen 1.8L 20v T EA827 .045in MLS Cylinder Head Gasket - 82mm Bore

Cometic Gasket auto part

Cometic Gasket

Cometic Volkswagen 1.8L 20v T EA827 .070in MLS Cylinder Head Gasket - 85mm Bore

Cometic Gasket auto part

Cometic Gasket

Cometic Volkswagen 2.0L 16v TFSI EA113 .089in MLS Cylinder Head Gasket - 83.5mm Bore

Victor Reinz auto part

Victor Reinz

MAHLE Original BMW M3 99-96 Water Pipe Sealing Ring

Victor Reinz auto part

Victor Reinz

MAHLE Original Audi A3 08-06 Head Set

Victor Reinz auto part

Victor Reinz

MAHLE Original Audi A4 01-00 Rear Seal Retainer

Victor Reinz auto part

Victor Reinz

MAHLE Original Audi A3 13-06 O-Ring

Victor Reinz auto part

Victor Reinz

MAHLE Original Renault R18I 83-81 Silicone Sealant 12 Pack

Victor Reinz auto part

Victor Reinz

MAHLE Original Audi A4 06-97 Cylinder Head Gasket

Victor Reinz auto part

Victor Reinz

MAHLE Original Audi A4 05-02 Timing Cover Set

Victor Reinz auto part

Victor Reinz

MAHLE Original Audi A3 13-09 Timing Cover Set

Victor Reinz auto part

Victor Reinz

MAHLE Original Audi A4 08-06 Timing Cover Seal

Victor Reinz auto part

Victor Reinz

MAHLE Original Audi A4 05-00 Water Pipe Sealing Ring

Victor Reinz auto part

Victor Reinz

MAHLE Original Audi A4 99-97 Head Set

Victor Reinz auto part

Victor Reinz

MAHLE Original Audi A4 Quattro 10-09 Head Set

Victor Reinz auto part

Victor Reinz

MAHLE Original Audi A4 05-02 Head Set

Victor Reinz intake system

Victor Reinz

MAHLE Original Audi A4 03-97 Intake Manifold Gasket

Victor Reinz auto part

Victor Reinz

MAHLE Original Audi A4 08-06 Head Set

Victor Reinz intake system

Victor Reinz

MAHLE Original Audi A4 06-04 Intake Manifold Set

Victor Reinz auto part

Victor Reinz

MAHLE Original Audi A3 08-06 Timing Cover Seal

Victor Reinz auto part

Victor Reinz

MAHLE Original Nissan Rogue 11-08 Head Set

Victor Reinz auto part

Victor Reinz

MAHLE Original Audi 80 92-91 Timing Cover Seal

Victor Reinz exhaust

Victor Reinz

MAHLE Original Audi 90 95-93 Exhaust Gas Recirculation Valve Gasket

Victor Reinz auto part

Victor Reinz

MAHLE Original Audi A3 13-08 Valve Cover Set

Victor Reinz auto part

Victor Reinz

MAHLE Original Audi A4 06-04 Head Set

Victor Reinz oil cooler

Victor Reinz

MAHLE Original Audi A3 13-10 Oil Cooler Housing O-Ring

Victor Reinz auto part

Victor Reinz

MAHLE Original Audi A3 13-08 Balance Shaft Rear Seal

Victor Reinz auto part

Victor Reinz

MAHLE Original Audi A4 05-00 Water Pipe Sealing Ring

Victor Reinz auto part

Victor Reinz

MAHLE Original Audi A4 01-00 Head Set

Victor Reinz auto part

Victor Reinz

MAHLE Original Audi A4 Quattro 10-09 Cylinder Head Gasket (Right)

Victor Reinz exhaust

Victor Reinz

MAHLE Original Audi A4 05-02 Exhaust Pipe Flange Gasket

Victor Reinz auto part

Victor Reinz

MAHLE Original Audi A4 Quattro 10-09 Cylinder Head Gasket (Left)

Victor Reinz auto part

Victor Reinz

MAHLE Original Audi A3 13-08 Cylinder Head Gasket

Victor Reinz auto part

Victor Reinz

MAHLE Original Audi 90 95-93 Valve Cover Set

Victor Reinz auto part

Victor Reinz

MAHLE Original Audi A3 08-06 Thermostat Housing Gasket

Victor Reinz auto part

Victor Reinz

MAHLE Original Audi A4 00 Head Set

Victor Reinz auto part

Victor Reinz

MAHLE Original Audi A4 08-06 Cylinder Head Gasket (Right)

Victor Reinz auto part

Victor Reinz

MAHLE Original Volkswagen Bora 06 Rear Main Seal

Victor Reinz auto part

Victor Reinz

MAHLE Original Audi A4 99-97 Head Set

Victor Reinz auto part

Victor Reinz

MAHLE Original Audi A4 01-00 Timing Cover Set

Victor Reinz auto part

Victor Reinz

MAHLE Original Audi A3 13-08 Head Set

Victor Reinz auto part

Victor Reinz

MAHLE Original Audi A6 09 Spark Plug Tube Seal

Victor Reinz exhaust

Victor Reinz

MAHLE Original Audi A6 Quattro 06-00 Exhaust Manifold Set

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