QUATTRO MEETS PRACTICALITY
B5 through B9 — Audi's compact sedan with available Quattro AWD and turbo power.
Audi A4 HERITAGE
THE QUATTRO COMPACT
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
CATEGORIES
Top product categories for the Audi A4
BRANDS
Top brands for Audi A4 builds
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.

TYC
RH HEADLAMP ASSY COMPOSITE SEDAN/WAGON; HALOGEN AUDI A4 20092012; HALOGEN AUDI S4 20102012

Sherman Parts
HOOD PANEL ASSY GEN 3; STEEL AUDI A4 0508
TYC
CAPA 0912 AD A.4/S.4 HALGN HEADLAMP ASSY LH
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1316 AD A4 W/O CURVE LIGHT HID H.L RH

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CAPA 0912 AD A.4/S.4 SDN 0911 A.6/S.6 FOGLAMP ASSY RH

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0912 AD A.4/S.4 HID W/O CURVE H.L RH

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LH HEADLAMP ASSY COMPOSITE SEDAN/WAGON; HALOGEN AUDI A4 20092012; HALOGEN AUDI S4 20102012
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CAPA 0912 AD A.4/S.4 HALGN HEADLAMP ASSY RH

SPEC D TUNING
96-99 A4 HALO LED PROJECT

APR Tuning
KIT COIL PLUG MS100203 Z1003100 4x GREY
Tong Yang Industry Co.
SELTS GRILLE PNTDBLK W/CHRM MLDG (S/EX/NIGHTFALL EDITION/SX)(OTN) KIA SELTOS 20
Sherman Parts
FRONT BUMPER SPOILER LOWER AUDI A4 A4 QUATTRO S4 2021

Sherman Parts
CAPA RT FRT FENDER ASSY AUDI A4 1719

TYC
CAPA 0912 AD A.4/S.4 HID W/O CURVE HEADLAMP ASSY LH

TYC
CAPA 0912 AD A.4/S.4 HID W/O CURVE HEADLAMP ASSY RH
Sherman Parts
FRONT BUMPER REINFORCEMENT AUDI A4 1720
TYC
1316 AD A.4/1317 A.5 W/O CURVE LTG HID H.L RH

Sherman Parts
CAPA RADIATOR SUPPORT SEDAN/WAGON AUDI A4 0916
TYC
1718 AD A.4 PWR HT W/ SIG PTM MIR RH

A1 REMFG INC
IMPORT WINDOW LIFT MOTOR
TYC
0308 AD A.4/QATRO 1.8L L4 (w/EOC) 1R PA RAD
A1 REMFG INC
IMPORT WINDOW LIFT MOTOR
Sherman Parts
CAPA RR BUMPER CVR R56;BASE;H/B;W/O JCW ;W/CHROME ;W/O LUGGAGE CARRIER;PRIME MINI COO
SPEC D TUNING
PROJECTOR HEADLIGHT BLACK R8 STYLE
TYC
CAPA 1217 AD A5/S5 W/O CURVE LTG HID HEADLIGHT ASSY LH
Sherman Parts
CAPA HOOD PANEL ASSY AUDI A4/A4 QUATTRO 1721

Dana
SEALSETVALVESTEM

A1 REMFG INC
NEW WINDOW LIFT REGULATOR
Sherman Parts
CAPA LT FRT FENDER ASSY AUDI A4 A4 QUATTRO S4 2021
SPEC D TUNING
2018 S4 SEDAN FRONT BUMPER LIP GLOSSY BLACK

SPEC D TUNING
HALO LED PROJECTOR GLOSS BLACK

TYC
CAPA 0912 AD A.4/S.4 SDN 0911 A.6/S.6 FOGLAMP ASSY LH

TYC
CAPA 0508 AD A4 SDN QTR TAIL LIGHT ASSY LH
A1 REMFG INC
NEW WINDOW LIFT REGULATOR

TYC
1316 AD A4/1317 A5 W/O CURVE LTG HID HEADLIGHT ASSY
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LH TAILLAMP ASSY SEDAN AUDI A4/S4 0508; RS4 0508

TYC
CAPA 0508 AD A4 SDN QTR TAIL LIGHT ASSY RH

SPEC D TUNING
PROJECTOR HEADLIGHT BLACK R8 STYLE
Sherman Parts
CAPA HOOD PANEL ASSY AUDI A4/S4 0918 SEDAN/WAGON

A1 REMFG INC
VW PASSAT 99-98 F/R

A1 REMFG INC
FRICTION CHOICE CALIPERS

TYC
RH TAILLAMP ASSY SEDAN AUDI A4/S4 0508; RS4 0508

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21C AD A.4 SDN DENSO (FROM 32221) 5.5MM W/ RADIATOR/CONDENSOR (PFC)

SPEC D TUNING
PROJECTOR HEADLIGHT CHROME R8 STYLE
Sherman Parts
LOWER ENGINE COVER 2.0L; REAR PAN AUDI A4 0916 CAPA
SPEC D TUNING
PROJECTOR HEADLIGHT CHROME R8 STYLE

TYC
0912 AD A.4/S.4 SDN/0911 A.6/S.6 F.L LH

TYC
1718 AD A.4 PWR HT W/ SIG W/ SIDE A. PTM MIR RH

TYC
0208 AD A.4 PWR HT PTM w/o MEM MIR LH
Sherman Parts
CAPA LOWER ENGINE COVER W/O SLINE PKG; FRT AUDI A4 2020

Sherman Parts
HOOD PANEL ASSY AUDI A4 20172020; AUDI A4 QUATTRO 20172021
TYC
0205 AD A.4/S.4 GEN2;SDN T.L LH
Sherman Parts
FRONT BUMPER COVER; W/O SLINE PKG; W/O HEADLAMP WASHER; W/O WARNING SYSTEM; PRIME; A4 1316
Sherman Parts
RADIATOR SUPPORT SDN/WAGON AUDI A4/S4 0916; A5 QUATTRO/S5 0817
Sherman Parts
REAR BUMPER COVER; SEDAN; W/O SLINE PKG; W/PARKING AID SENSORS; PRIME; A4 1316
Sherman Parts
CAPA FRONT BUMPER REINFORCEMENT SEDAN AUDI A4 1316
Sherman Parts
FRONT BUMPER COVER W/SLINE PKG; W/HEADLAMP WASHER; W/O WARNING SYSTEM; PRIME AUDI A4/S4 1316

Sherman Parts
REAR BUMPER COVER; SEDAN; W/O SLINE PKG; W/O PARKING AID SENSORS; PRIME; A4 1316
Sherman Parts
FRONT BUMPER COVER W/O SLINE PKG; W/HEADLAMP WASHER; W/O WARNING SYSTEM; PRIME AUDI A4 20132016
Sherman Parts
CAPA RR BUMPER REINFORCEMENT SEDAN/WAGON AUDI A4 0916
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