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 Category exterior components Parts

2182 parts available

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

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FOUR SEASONS auto part

FOUR SEASONS

FLOOR MODE ACTUATOR

FOUR SEASONS auto part

FOUR SEASONS

PRESSURE SWITCH

DELPHI auto part

DELPHI

CTRL ARM & BALL JNT ASSEM

DEA PRODUCTS auto part

DEA PRODUCTS

MOUNT FRONT RIGHT

DELPHI auto part

DELPHI

CTRL ARM & BALL JNT ASSEM

GAS TANK CO auto part

GAS TANK CO

OXYGEN SENSOR

C

COVERKING

CUSTOM TAILORED DASHBOARD

R auto part

R/M BRAKES

BRAKE PAD SET

R auto part

R/M BRAKES

BRAKE PADS

DELPHI auto part

DELPHI

ABS WHEEL SPEED SENSOR

DELPHI auto part

DELPHI

AIR CHARGE TEMPERATURE SENSOR

DEA PRODUCTS auto part

DEA PRODUCTS

MOUNT FRONT LEFT RIGHT

DELPHI auto part

DELPHI

TIE ROD END ASSEM

DELPHI auto part

DELPHI

MANIFOLD ABSOLUTE PRESSURE SENSOR

Samco auto part

Samco

Samco Turbo Clamp Kit A4 1800 Turbo FWD (2001) Man Trans AWM B5 US Spec (4)

Dana auto part

Dana

ENGINE HEAD GASKET

Sherman Parts auto part

Sherman Parts

RH COVER OUTER GRILLE AUDI A4 9699 (TO VIN#X199999)

Dana auto part

Dana

ENGINE HEAD GASKET

A

A1 REMFG INC

HONDA R/FT '97-92

A1 REMFG INC auto part

A1 REMFG INC

FRICTION CHOICE CALIPERS

Sherman Parts auto part

Sherman Parts

RH FRT FENDER INR PANEL W/SLINE PKG; MAT: PE/VACUUM FORM;OEM:PP+EPDM/INJECTION AUDI A4/S4 1724

TYC auto part

TYC

CAPA 0508 AD A4 FRT REFLECTOR ASSY LH

TYC auto part

TYC

RH FRONT SIDE REFLECTOR AUDI A4 20052008

TYC auto part

TYC

CAPA 0508 AD A4 FRT REFLECTOR ASSY RH

A1 REMFG INC roof rack

A1 REMFG INC

CALIPER BRACKETS

Sherman Parts bumper

Sherman Parts

RH FRONT BUMPER INSERT FOG LAMP BEZEL; W/O ADAPTIVE CRUISE CONTROL; W/O SLINE PKG AUDI A4 1316

Dana auto part

Dana

ENGINE HEAD GASKET

D

Dana

ENGINE HEAD GASKET

Sherman Parts auto part

Sherman Parts

LH FRONT FENDER BRACE SDN/WAGON; LOWER FENDER SUPPORT AUDI A4/S4/ALLROAD 1316

1620 AUDI Q5 Q7 CABIN AIR FILTER

TYC

1620 AUDI Q5 Q7 CABIN AIR FILTER

0920 AD A4/ S4 CABIN AIR FILTER

TYC

0920 AD A4/ S4 CABIN AIR FILTER

Samco Turbo Clamp Kit A4 Turbo B6 AVJ/AMB/BFB (3)

Samco

Samco Turbo Clamp Kit A4 Turbo B6 AVJ/AMB/BFB (3)

T

TYC

0920 AD A.4 NEGATIVE ION CABIN AIR FILTER

TOW HOOK COVER W/O SPORT PACKAGE AUDI A4 0508

Sherman Parts

TOW HOOK COVER W/O SPORT PACKAGE AUDI A4 0508

AUDI A4,A4 QUATTRO 06-02

A1 REMFG INC

AUDI A4,A4 QUATTRO 06-02

LH FOG LAMP ASSY AUDI A5 QUATTRO 0812; S5 0812;AUDI WGN S5 0812; A4 WGN 0912; CC 0912

TYC

LH FOG LAMP ASSY AUDI A5 QUATTRO 0812; S5 0812;AUDI WGN S5 0812; A4 WGN 0912; CC 0912

RH FOG LAMP ASSY AUDI A5 QUATTRO 0812; S5 0812;AUDI WGN S5 0812; A4 WGN 0912; CC 0912

TYC

RH FOG LAMP ASSY AUDI A5 QUATTRO 0812; S5 0812;AUDI WGN S5 0812; A4 WGN 0912; CC 0912

S

Samco

Samco 1995 - 2000 A4 1800 Turbo B5 AEB/AVJ

LH FRONT SIDE REFLECTOR AUDI A4 20052008

TYC

LH FRONT SIDE REFLECTOR AUDI A4 20052008

ENGINE HEAD GASKET

Dana

ENGINE HEAD GASKET

D

Dana

FUEL INJECTOR O-RING KIT

LH FRONT BUMPER INSERT FOG LAMP BEZEL; W/O ADAPTIVE CRUISE CONTROL; W/O SLINE PKG AUDI A4 1316

Sherman Parts

LH FRONT BUMPER INSERT FOG LAMP BEZEL; W/O ADAPTIVE CRUISE CONTROL; W/O SLINE PKG AUDI A4 1316

S

Sherman Parts

FRONT BUMPER COVER REINFORCEMENT IMPACT BAR COVER STRIP AUDI A4 0912

S

Sherman Parts

LT REAR BUMPER COVER RETAINER SEDAN; OUTER COVER GUIDE AUDI A4 0912

LH COVER OUTER GRILLE AUDI A4 9699 (TO VIN#X199999)

Sherman Parts

LH COVER OUTER GRILLE AUDI A4 9699 (TO VIN#X199999)

VALVE COVER GASKET SET

Dana

VALVE COVER GASKET SET

AUDI A4,A4 QUATTRO 06-02

A1 REMFG INC

AUDI A4,A4 QUATTRO 06-02

ENGINE HEAD GASKET

Dana

ENGINE HEAD GASKET

ENGINE HEAD GASKET

Dana

ENGINE HEAD GASKET

96-01 A4 HEADLIGHT EYELID

SPEC D TUNING

96-01 A4 HEADLIGHT EYELID

LH FOG LAMP ASSY H/B; W/SPORT PKG AUDI A3 0613; SDN/WGN AUDI S4 0508; AUDI SDN A4 0508

TYC

LH FOG LAMP ASSY H/B; W/SPORT PKG AUDI A3 0613; SDN/WGN AUDI S4 0508; AUDI SDN A4 0508

RH FOG LAMP ASSY H/B; W/SPORT PKG AUDI A3 0613; SDN/WGN AUDI S4 0508; AUDI SDN A4 0508

TYC

RH FOG LAMP ASSY H/B; W/SPORT PKG AUDI A3 0613; SDN/WGN AUDI S4 0508; AUDI SDN A4 0508

LT FRONT FENDER INNER PANEL W/O SLINE PKG; FRONT; MAT:PE/VACUUM FORM; OEM:PP/INJECTION A4 20172017

Sherman Parts

LT FRONT FENDER INNER PANEL W/O SLINE PKG; FRONT; MAT:PE/VACUUM FORM; OEM:PP/INJECTION A4 20172017

CYLINDER HEAD GASKET

Dana

CYLINDER HEAD GASKET

LH FRONT FENDER INNER PANEL; MAT: PE/VACUUM FORM; OEM: PP+EPDM/INJECTION AUDI A4/S4 1718

Sherman Parts

LH FRONT FENDER INNER PANEL; MAT: PE/VACUUM FORM; OEM: PP+EPDM/INJECTION AUDI A4/S4 1718

SEAL SET, VALVE STEM

Dana

SEAL SET, VALVE STEM

ENGINE VALVE COVER GASKET SET

Dana

ENGINE VALVE COVER GASKET SET

BRAKE ROTRS

Raybestos Brakes

BRAKE ROTRS

Brake Rotors: Various Makes and Models; Rotor; Outside Diameter 9.64"; 5 Bolt Holes; Solid

Raybestos Brakes

Brake Rotors: Various Makes and Models; Rotor; Outside Diameter 9.64"; 5 Bolt Holes; Solid

BRAKE ROTOR

Raybestos Brakes

BRAKE ROTOR

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