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Audi A4 Most Popular Parts

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18" Style 030 Wheels - Set Of Four

ES#2713045 - 030-9 - 18" Style 030 Wheels - Set Of Four - 18"x8" ET35 5x112 66.6CB - Matte Black - Alzor - Audi MINI

18"x8" ET35 5x112 66.6CB - Matte Black 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Alzor - Corporate Logo
ES#:
2713045
Mfg#:
030-9
In Stock
ON SALE! SAVE 25%
$1166.99

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

$875.01 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

18" Alzor Style 349 Wheel & Tire Package - Ironman (225/40R18)

ES#4876721 - 8999955 - 18" Alzor Style 349 Wheel & Tire Package - Ironman (225/40R18) - 18x8 ET45 5x112 57.1CB - Silver - With Ironman iMove Gen 3 Tires (UHP All-Season 92W XL 380AA) - Assembled By ECS - Audi Volkswagen

18x8 ET45 5x112 57.1CB - Silver - With Ironman iMove Gen 3 Tires (UHP All-Season 92W XL 380AA) 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
4876721
Mfg#:
8999955
In Stock
ON SALE! SAVE 18%
$1701.99

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

$1399.95 USD

K04 Turbo Conversion Kit (Longitudinal)

ES#3247391 - HVA-240-HW-LONG - K04 Turbo Conversion Kit (Longitudinal) - Developed on the Track, Adapted for the Street. Comprehensive kit to see up to 355HP / 347TQ from your 2.0T - HPA Motorsports - Audi

Developed on the Track, Adapted for the Street. Comprehensive kit to see up to 355HP / 347TQ from your 2.0T For the Gen 1 or 2 EA888 and EA113 engines Only

Brand:
HPA Motorsports - Corporate Logo
ES#:
3247391
Mfg#:
HVA-240-HW-LONG
Ships on Nov 3, 2026
$1649.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B8.5 S4 Facelift Rear Diffuser & Trunk Spoiler

ES#4751213 - 026861ECS01EBKT - Audi B8.5 S4 Facelift Rear Diffuser & Trunk Spoiler - Add some aggressive styling to your Audi! - Enthusiast Bundles - Audi

Add some aggressive styling to your Audi! Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One!
Fits facelift B8.5 (2013+) S-Line models with quad tips only

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4751213
Mfg#:
026861ECS01EBKT
In Stock
ON SALE! SAVE 49%
$785.48

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

$399.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B9 A4/A5 2.0T Center Resonator Delete

ES#3576157 - 023492ecs01KT - Audi B9 A4/A5 2.0T Center Resonator Delete - Add an aggressive exhaust sound with this Resonator Delete Pipe Kit! Deletes rear-most resonator. - ECS - Audi

Add an aggressive exhaust sound with this Resonator Delete Pipe Kit! Deletes rear-most resonator. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3576157
Mfg#:
023492ECS01KT
In Stock
ON SALE! SAVE 25%
$354.99

This product was last offered at the strikethrough price on
06-13-2026

$266.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

19" Style 349 Wheels - Set Of Four

ES#2748495 - 349A-13kt1 - 19" Style 349 Wheels - Set Of Four - 19"x9.5" ET40 CB66.6 5x112 Matte Black - Alzor - Audi

19"x9.5" ET40 CB66.6 5x112 Matte Black 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Alzor - Corporate Logo
ES#:
2748495
Mfg#:
349A-13KT1
In Stock
ON SALE! SAVE 35%
$1300.00

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

$845.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Camshaft Chain Tensioner

ES#3220525 - 058109088K - Camshaft Chain Tensioner - Applies tension to the camshaft timing chain - Bremmen Parts - Audi Volkswagen
ECS Tuning recommends this product.

Applies tension to the camshaft timing chain 10X Entries Into Our F80 M3 Sweepstakes
For vehicles with AWM engine code only

Brand:
Bremmen Parts - Corporate Logo
ES#:
3220525
Mfg#:
058109088K
Ships on Oct 14, 2026
ON SALE! SAVE 14%
$156.99

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

$134.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Liqui Moly MolyGen - Oil Service Kit - With Magnetic Drain Plug

ES#3439008 - 20TPRMOILMGKT - Liqui Moly MolyGen - Oil Service Kit - With Magnetic Drain Plug - Includes Hengst filter, magnetic drain plug, and Liqui Moly oil with MolyGen technology - Assembled By ECS - Audi Volkswagen

Includes Hengst filter, magnetic drain plug, and Liqui Moly oil with MolyGen technology 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
3439008
Mfg#:
20TPRMOILMGKT
In Stock
ON SALE! SAVE 11%
$114.37

This product was last offered at the strikethrough price on
08-31-2026

$101.43 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Oil Separator/ Pressure Control Valve (PCV)

ES#4897813 - 06Q103495G - Oil Separator/ Pressure Control Valve (PCV) - Located on top of your valve cover - Genuine Volkswagen Audi - Audi Volkswagen

Located on top of your valve cover For Face-lift models (2020+) with DPAA engine code

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4897813
Mfg#:
06Q103495G
In Stock
2% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$130.99

This product was last offered at the strikethrough price on
09-19-2026

$128.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Magnetic Oil Drain Plug

ES#3187653 - 001196ECS01-01 - Magnetic Oil Drain Plug - Capture harmful particles to prevent wear. M14x1.5. Includes washer. - ECS - Audi Volkswagen MINI Porsche

Capture harmful particles to prevent wear. M14x1.5. Includes washer. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3187653
Mfg#:
001196ECS01-01
In Stock
ON SALE! SAVE 25%
$28.99

This product was last offered at the strikethrough price on
06-13-2026

$21.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Bilstein B16 DampTronic Suspension System

ES#4390702 - 49-290868 - Bilstein B16 DampTronic Suspension System - Features ride height adjustability with dampers compatible with OE electronic damping systems. - Bilstein - Audi

Features ride height adjustability with dampers compatible with OE electronic damping systems. 10X Entries Into Our F80 M3 Sweepstakes
For vehicles with production date from 7/12/2016 with 53mm front strut body

Brand:
Bilstein - Corporate Logo
ES#:
4390702
Mfg#:
49-290868
Back Ordered
31% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$3611.00

This product was last offered at the strikethrough price on
09-19-2026

$2499.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

High Performance Aluminum Radiator

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! 2X Entries Into Our F80 M3 Sweepstakes

Brand:
CSF - Corporate Logo
ES#:
4346249
Mfg#:
7091
In Stock
$699.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Special Active Shocks & Struts Kit

ES#3564213 - 82451264KT - Special Active Shocks & Struts Kit - Superior handling without compromising ride quality - Koni - Audi

Superior handling without compromising ride quality For vehicles with S-line suspension

Brand:
Koni - Corporate Logo
ES#:
3564213
Mfg#:
82451264KT
In Stock
$728.99

This product was last offered at the strikethrough price on
08-26-2026

$727.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Dynamic+ Adjustable Rear Sway Bar

ES#3241098 - 034-402-1010 - Dynamic+ Adjustable Rear Sway Bar - Designed to combat understeer while reducing body roll under hard cornering! - 034Motorsport - Audi

Designed to combat understeer while reducing body roll under hard cornering! 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
3241098
Mfg#:
034-402-1010
In Stock
$354.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

3" Downpipe w/ High Flow Cat

ES#4045995 - B820THFCPipe - 3" Downpipe w/ High Flow Cat - Replace your factory downpipe with this upgraded JHM high flow cat! - JH Motorsports - Audi

Replace your factory downpipe with this upgraded JHM high flow cat!

Brand:
JH Motorsports - Corporate Logo
ES#:
4045995
Mfg#:
B820THFCPIPE
Ships in 1 Business Day
$524.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

MQB Magnetic Drain Plug - With 5 Replacement O-Rings

ES#4006896 - 015137ecs02KT - MQB Magnetic Drain Plug - With 5 Replacement O-Rings - Capture harmful particulates from circulating within your oiling system and make services easier with our 13mm hex drive - ECS - Audi Volkswagen Porsche

Capture harmful particulates from circulating within your oiling system and make services easier with our 13mm hex drive 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4006896
Mfg#:
015137ECS02KT
In Stock
ON SALE! SAVE 25%
$50.99

This product was last offered at the strikethrough price on
06-13-2026

$38.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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