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:exterior components Parts

2182 parts available

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

Free Shipping
30-Day Returns
APR Tuning intake system

APR Tuning

Intake Filter B8 2.0T (323x128) Fits Audi A4 09-16, A4 allroad 17, A4 Quattro 09-16, A5 Quattro 10-17, allroad 13-16, Q5 11-17 APR

APR Tuning intake system

APR Tuning

Intake Filter B6/B7 1.8T/2.0T/3.0L/3.2L/4.2L (263x211) Fits Audi A4 02-09, A4 Quattro 02-09, RS4 07-08, S4 04-09? APR

SPC Performance Replacement Bushing Kit For Audi Control Arms(81353, 81363, 81373)

SPC Performance

SPC Performance Replacement Bushing Kit For Audi Control Arms(81353, 81363, 81373)

Clutch Masters 10-17 Audi S5 B8 3.0L Supercharged Clutch Lines

Clutch Masters

Clutch Masters 10-17 Audi S5 B8 3.0L Supercharged Clutch Lines

APR Tuning auto part

APR Tuning

CENTER CAP 1, METAL, FORGED, GLOSS B

G

Gates

Gates 20-23 Audi Q5 4-Cyl. 2.0L Electric Assist Serpentine V-Ribbed Belt (E-Start)

APR Tuning hardware kit

APR Tuning

Wheel Lug Bolts Set of 10 40 mm APR

Placeholder image

APR Tuning

Ignition Coils Fits Various Audi/Porsche/VW Models Blue APR

APR Tuning hardware kit

APR Tuning

Wheel Lug Bolts Set of 10 45 mm APR

ACCEL auto part

ACCEL

Direct Ignition Coil Supercoil Volkswagen / Audi 1.8L I4 Direct OEM Replacement 15 Percent More Spark Energy Silicone Magnetic Steel Core Yellow Each ACCEL

Gates 09-17 Volkswagen Tiguan 4-Cyl. 2.0L Water Pump Automotive Timing Belt

Gates

Gates 09-17 Volkswagen Tiguan 4-Cyl. 2.0L Water Pump Automotive Timing Belt

Bosch Fuel Pressure Regulator (OE 078133534C)

Bosch

Bosch Fuel Pressure Regulator (OE 078133534C)

Bosch Ignition Trigger Module

Bosch

Bosch Ignition Trigger Module

Supertech Audi 1.8T/2.7T Exhaust Cam Follower 33.5x25.8x15.5mm Stem - Single (D/S Only)

Supertech

Supertech Audi 1.8T/2.7T Exhaust Cam Follower 33.5x25.8x15.5mm Stem - Single (D/S Only)

Supertech Audi 1.8T Manganese Bronze Intake/Exhaust Valve Guide Oversize OD 11.075mm - Set of 8

Supertech

Supertech Audi 1.8T Manganese Bronze Intake/Exhaust Valve Guide Oversize OD 11.075mm - Set of 8

T

Torque Solution

Torque Solution Blow Off Valve Adapter: 2015+ VW/Audi 1.8T / 2.0T

Supertech Audi/VW 1.8T AEB Spring Seat Locator - Set of 8

Supertech

Supertech Audi/VW 1.8T AEB Spring Seat Locator - Set of 8

Hella fog light kit

Hella

Hella 2013-2016 Audi S4 Fog Light Right

Hella fog light kit

Hella

Hella 2013-2016 Audi S4 Fog Light Left

PowerStop auto part

PowerStop

Power Stop 14-17 Audi SQ5 Rear Z23 Evo Sport Pad w/Hardware

Supertech exhaust

Supertech

Supertech VW 1.8T AEB / 2.7T APB Sodium Filled Inconel Exhaust Valve - +1mm Oversize - Single

Supertech exhaust

Supertech

Supertech Audi/VW 1.8T 5V Inconel Exhaust Valve - +1mm Oversize - Single (Drop Ship Only)

Stoptech auto part

Stoptech

StopTech Audi Front Stainless Steel Brake Line Kit

Whiteline control arms

Whiteline

Whiteline Plus 97-05 VAG MK4 A4/Type 1J Front Lower Inner Control Arm Bushing Kit -Standard Replacem

K&N Engineering air filter

K&N Engineering

K&N 01-09 Audi A4/RS4/S4 Drop In Air Filter

KYB shock absorber

KYB

KYB Shocks & Struts Strut Mount Front 09-15 Audi A4/A5

WeatherTech smoke auto part

WeatherTech

WeatherTech 2017+ Audi A4 Sedan Front Side Window Deflectors - Dark Smoke

Hella auto part

Hella

Hella Optilux H1 100W XB Extreme White Bulbs (Pair)

Hella auto part

Hella

Hella Bulb H9 12V 65W Pgj195 T4 Sb

Bilstein springs

Bilstein

Bilstein 96-99 Audi A4 Quattro B3 OE Replacement Coil Spring - Front

Placeholder image

Stoptech

StopTech 09 Audi A4 Sedan / 08-10 A5-S5 Rear Stainless Steel Brake Line Kit

Hella auto part

Hella

Hella Bulb 7225 12V 21/4W Baz15D S8 (2)

Hella auto part

Hella

Hella H1 12V 55W Hella High Performance Xenon Bulb (Pair)

Advanced Clutch auto part

Advanced Clutch

ACT 1997 Audi A4 Release Bearing

Stoptech auto part

Stoptech

StopTech Audi Rear Stainless Steel Brake Line Kit

AutoMeter black auto part

AutoMeter

Autometer 96-98 Audi A4 52mm Single Pod (Black)

NGK auto part

NGK

NGK 2014 VW Passat COP Ignition Coil

NGK auto part

NGK

NGK 1999-98 VW Passat COP Ignition Coil

AEM air filter

AEM

AEM Dryflow Air Filter for 07-16 Audi A4 1.8L TFSI

I

Italian RP

Italian RP - IRPR193

MOUNT,TRANS,B8 INSERTB8 TRANS

034Motorsport

MOUNT,TRANS,B8 INSERTB8 TRANS

MOUNT,TRANS,SD,TIPTRANSMISSIO

034Motorsport

MOUNT,TRANS,SD,TIPTRANSMISSIO

DRIVESHAFT SUPPORT,B5 A4-S4 8

034Motorsport

DRIVESHAFT SUPPORT,B5 A4-S4 8

Mount,RR Diff,Insert Set, B8

034Motorsport

Mount,RR Diff,Insert Set, B8

SPACER,PHENOLIC,2.7T LARGE2.7

034Motorsport

SPACER,PHENOLIC,2.7T LARGE2.7

HOSE,SIL,INLET,B8 BLKTURBO IN

034Motorsport

HOSE,SIL,INLET,B8 BLKTURBO IN

Shim Kit, Brake Pads, Ti, RS+

034Motorsport

Shim Kit, Brake Pads, Ti, RS+

Insert Set, Rr Subfrme, B9 A4

034Motorsport

Insert Set, Rr Subfrme, B9 A4

Ctrl Arm Kit B8 Full Trck Late

034Motorsport

Ctrl Arm Kit B8 Full Trck Late

Ctrl Arm Kit, Up, B5 B6 B7

034Motorsport

Ctrl Arm Kit, Up, B5 B6 B7

BUSHING,SUBFRAME FRONT B5SUBF

034Motorsport

BUSHING,SUBFRAME FRONT B5SUBF

Hardware Kit, B8 LWR CA M14

034Motorsport

Hardware Kit, B8 LWR CA M14

WSK, Ball, OEM

034Motorsport

WSK, Ball, OEM

Brake Pad, SS, Rear, B8 S4

034Motorsport

Brake Pad, SS, Rear, B8 S4

Ign Coil, 8pk, Red, MQB Style

034Motorsport

Ign Coil, 8pk, Red, MQB Style

Rebuild Kit, End Links, 8J/8P/

034Motorsport

Rebuild Kit, End Links, 8J/8P/

Mount,RR Diff Insert B6-B7Mou

034Motorsport

Mount,RR Diff Insert B6-B7Mou

BRACKET,SNUB MOUNT A4 LATESNU

034Motorsport

BRACKET,SNUB MOUNT A4 LATESNU

MOUNT,TRANS,SD,B6-B7 6 SPEEDT

034Motorsport

MOUNT,TRANS,SD,B6-B7 6 SPEEDT

BRACKET,SNUB,B6 1.8T STREETSN

034Motorsport

BRACKET,SNUB,B6 1.8T STREETSN

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