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Audi A4 Most Popular Parts

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ES#3177923 - IEINCC1-3A - IE Replacement 5" Air Filter For IE Intake Kits - This is a direct replacement filter for all IE cold air intakes with a 5" velocity stack on the heat shield. This filter is used on the majority of all IE intakes. - Integrated Engineering - Audi Volkswagen

This is a direct replacement filter for all IE cold air intakes with a 5" velocity stack on the heat shield. This filter is used on the majority of all IE intakes. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
3177923
Mfg#:
IEINCC1-3A
Back Ordered
Auto Notify
$54.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3569244 - 330-2KT1 - 18" Style 330 Wheels - Set Of Four - 18"x8" ET42 57.1CB 5x112 - Bronze Finish - Alzor - Audi Volkswagen

18"x8" ET42 57.1CB 5x112 - Bronze Finish affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Alzor - Corporate Logo
ES#:
3569244
Mfg#:
330-2KT1
In Stock
ON SALE! SAVE 25%
$1176.99

This product was last offered at the strikethrough price on
05-02-2026

$882.51 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2748197 - ECS10159KTWB1 - ECS Wheel Spacer & Bolt Kit - 20mm With Black Ball Seat Bolts - Exclusively built for your 57.1mm centerbore VW/Audi &
Includes everything you need to install spacers on two wheels - ECS - Audi Volkswagen

Exclusively built for your 57.1mm centerbore VW/Audi & Includes everything you need to install spacers on two wheels affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Fits OEM wheels or wheels that require ball seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
2748197
Mfg#:
ECS10159KTWB1
In Stock
ON SALE! SAVE 10%
$179.99

This product was last offered at the strikethrough price on
05-02-2026

$161.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3183558 - 034-145-5000-ALU - Billet Diverter Valve - Polished  - High-performance spring and piston design is both durable and a performer! - 034Motorsport - Audi Volkswagen

High-performance spring and piston design is both durable and a performer! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
3183558
Mfg#:
034-145-5000-ALU
In Stock
$128.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4772412 - 06H103495AH -  Pressure Control Valve (PCV) - Also called the "breather valve" or "oil separator" - Bremmen Parts - Audi Volkswagen

Also called the "breather valve" or "oil separator" affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Fits up to production date 3/31/2012 - Please check existing part number before ordering

Brand:
Bremmen Parts - Corporate Logo
ES#:
4772412
Mfg#:
06H103495AH
In Stock
ON SALE! SAVE 20%
$61.99

This product was last offered at the strikethrough price on
01-08-2026

$49.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4429979 - 034-402-4030 - Dynamic+ Adjustable Rear Sway Bar End Link Kit  - Replace your flimsy, imprecise OEM sway bar end links with the performance engineered Dynamic+ Adjustable Rear Sway Bar End Link - 034Motorsport - Audi

Replace your flimsy, imprecise OEM sway bar end links with the performance engineered Dynamic+ Adjustable Rear Sway Bar End Link affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4429979
Mfg#:
034-402-4030
In Stock
$171.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4346249 - 7091 - High Performance Aluminum Radiator - Featuring an all-aluminum tank and core plus OE-style quick connects. Lower engine temperatures mean more power and longer life of engine components! - CSF - Audi

Featuring an all-aluminum tank and core plus OE-style quick connects. Lower engine temperatures mean more power and longer life of engine components! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CSF - Corporate Logo
ES#:
4346249
Mfg#:
7091
In Stock
$699.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4499684 - WHL00021KT - 20" A01 Flow Formed Wheels - Set Of Four - 20"x9.0" ET42 5x112 - Satin Black - APR - Audi Volkswagen MINI Porsche

20"x9.0" ET42 5x112 - Satin Black Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
APR - Corporate Logo
ES#:
4499684
Mfg#:
WHL00021KT
Ships in 2 Business Days
$1739.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2681799 - 06D145100H - Vacuum Pump - Generates vacuum when under positive pressure - Pierburg - Audi Volkswagen

Generates vacuum when under positive pressure affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Pierburg - Corporate Logo
ES#:
2681799
Mfg#:
06D145100H
In Stock
$385.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4315775 - 024522ECS02 - EA888 1.8T/2.0T Gen3 Aluminum Intake Manifold Kit - Features a +53% increase in plenum volume, +8% CFM airflow, 5-axis billet intake runners, MPI provisions, CNC-machined flanges, and WMI/NOS ports. - ECS - Audi Volkswagen

Features a +53% increase in plenum volume, +8% CFM airflow, 5-axis billet intake runners, MPI provisions, CNC-machined flanges, and WMI/NOS ports. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4315775
Mfg#:
024522ECS02
In Stock
ON SALE!
Starting at $922.03 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4487995 - 003353ECS - Build Your Own Audi B8 A4 2.0T Single Exit Valved Cat Back Exhaust System - Choose your own configuration along with your choice of exhaust tips and more! - ECS - Audi

Choose your own configuration along with your choice of exhaust tips and more! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4487995
Mfg#:
003353ECS
Ships on Aug 3, 2026
ON SALE!
Starting at $700.85 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4338534 - 007041la01KT - B9.5 Mid-Facelift S4/A4 S-Line 3 Piece Front Lip - Gloss Black - Upgrade your exterior styling! - ECS - Audi

Upgrade your exterior styling! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Only Fits 2019 Mid-Facelift S-Line Bumpers

Brand:
ECS - Corporate Logo
ES#:
4338534
Mfg#:
007041LA01KT
In Stock
ON SALE! SAVE 25%
$344.99

This product was last offered at the strikethrough price on
05-02-2026

$258.01 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2092354 - 35210075 - KW V3 Series Coilover Kit - The ultimate in coilover technology featuring double adjustable dampening - KW Suspension - Audi

The ultimate in coilover technology featuring double adjustable dampening affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits sedan models without factory EDC. Range of lowering is 0.8-1.5" in the front and 0.4-1.5" in the rear.

Brand:
KW Suspension - Corporate Logo
ES#:
2092354
Mfg#:
35210075
Back Ordered
$3394.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4039417 - 8K0407613B - Wheel Hub - Priced Each - Does not include wheel bearing - Vaico - Audi

Does not include wheel bearing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
4039417
Mfg#:
8K0407613B
In Stock
$72.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2602983 - 000690ECS01AKT - Front 2-Piece Brake Rotors - Pair (345x30) - Direct bolt-on replacement - 25% less weight! - ECS - Audi Porsche

Direct bolt-on replacement - 25% less weight! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Replacement rotors for vehicles with the Stage 2 Big Brake Kit

Brand:
ECS - Corporate Logo
ES#:
2602983
Mfg#:
000690ECS01AKT
In Stock
ON SALE! SAVE 10%
$999.99

This product was last offered at the strikethrough price on
05-02-2026

$899.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3557373 - 8136181362KT - Adjustable Front Upper Control Arm Kit - Correct your camber and eliminate inner tire wear - Complete kit for both sides! - SPC - Audi

Correct your camber and eliminate inner tire wear - Complete kit for both sides! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SPC - Corporate Logo
ES#:
3557373
Mfg#:
8136181362KT
Ships in 5 Business Days
$899.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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