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Audi A4 Most Popular Parts

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Rear Bushing Differential Mount Insert Kit

ES#2992520 - 008288ECS02 - Rear Bushing Differential Mount Insert Kit - Decrease differential slop for better drivetrain response! - ECS - Audi Porsche

Decrease differential slop for better drivetrain response! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2992520
Mfg#:
008288ECS02
In Stock
$115.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Service Kit - Premium

ES#1848568 - 20TPRMOIL - Oil Service Kit - Premium - Includes Liqui Moly Leichtlauf High Tech oil, Hengst filter, and drain plug - Assembled By ECS - Audi Volkswagen

Includes Liqui Moly Leichtlauf High Tech oil, Hengst filter, and drain plug 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
1848568
Mfg#:
20TPRMOIL
In Stock
ON SALE!
$84.99

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

$77.65 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

VWR Billet Fuel Filler Cap - Push & Twist Type

ES#4040601 - vwr19G711 - VWR Billet Fuel Filler Cap - Push & Twist Type - Beautifully over-engineered in customary RacingLine fashion to give an exquisite feel and beautiful appearance - Make refueling a pleasure! - Racingline - Audi Volkswagen Porsche

Beautifully over-engineered in customary RacingLine fashion to give an exquisite feel and beautiful appearance - Make refueling a pleasure! For vehicles with bayonet/twist lock style gas cap only. Please confirm prior to ordering.

Brand:
Racingline - Corporate Logo
ES#:
4040601
Mfg#:
VWR19G711
In Stock
ON SALE! SAVE 10%
$137.99

This product was last offered at the strikethrough price on
09-18-2026

$123.76 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Injector - Priced Each

ES#4840254 - 06L906036AH - Fuel Injector - Priced Each - Keep your engine running smooth - Bosch - Audi

Keep your engine running smooth We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
4840254
Mfg#:
06L906036AH
In Stock
$120.99

This product was last offered at the strikethrough price on
07-08-2026

$93.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Halogen Projector Headlight Set

ES#3021219 - 2LHPA406JM8TM - Halogen Projector Headlight Set - Black housing featuring "R8" style LED strips - Spec-D Tuning - Audi

Black housing featuring "R8" style LED strips *For vehicles with factory halogen headlights

Brand:
Spec-D Tuning - Corporate Logo
ES#:
3021219
Mfg#:
2LHPA406JM8TM
In Stock
$252.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Audi B8.5 S4 / A4 S-Line Forged Carbon Fiber Rear Diffuser

ES#4490851 - 018359ECS01-02 - Audi B8.5 S4 / A4 S-Line Forged Carbon Fiber Rear Diffuser - Hand-laid chopped carbon fiber to upgrade your exterior styling - ECS - Audi

Hand-laid chopped carbon fiber to upgrade your exterior styling 10X Entries Into Our F80 M3 Sweepstakes

Fits S-Line bumpers

Brand:
ECS - Corporate Logo
ES#:
4490851
Mfg#:
018359ECS01-02
In Stock
ON SALE! SAVE 30%
$998.99

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

$699.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Service Kit

ES#2535605 - N0160276KT - Oil Service Kit - Includes OEM oil filter, drain plug/washer, and 8 quarts of OEM 502.00/505.00 High Performance Genuine Engine Oil (5w-40) - Genuine Volkswagen Audi - Audi

Includes OEM oil filter, drain plug/washer, and 8 quarts of OEM 502.00/505.00 High Performance Genuine Engine Oil (5w-40) From VIN 8E-6-285001, split is in the 2006 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2535605
Mfg#:
N0160276KT
In Stock
$163.99

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

$148.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Rear YellowStuff Performance Brake Pad Set

ES#4031325 - DP42254R - Rear YellowStuff Performance Brake Pad Set - EBC's premium sport street pad that offers high friction levels and heat fade resistance - EBC - Audi

EBC's premium sport street pad that offers high friction levels and heat fade resistance 2X Entries Into Our F80 M3 Sweepstakes

Brand:
EBC - Corporate Logo
ES#:
4031325
Mfg#:
DP42254R
In Stock
5% off MSRP

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

$151.59

This product was last offered at the strikethrough price on
09-20-2026

$144.01 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

H8/H11 Premium LED Conversion Kit - Series 2

ES#4875816 - 003452LB04-06 - H8/H11 Premium LED Conversion Kit - Series 2 - Set of 2 36,000lm, 160W combined plug and play LED headlight bulbs - ZiZa - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Set of 2 36,000lm, 160W combined plug and play LED headlight bulbs 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ZiZa - Corporate Logo
ES#:
4875816
Mfg#:
003452LB04-06
In Stock
ON SALE! SAVE 10%
$89.99

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

$80.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

7" Android Multimedia System - With CarPlay & Android Auto

ES#5374080 - 022619BRP05-UIS6 - 7" Android Multimedia System - With CarPlay & Android Auto - Features an 8-core processor running Android 14 making it one powerful plug and play radio upgrade! Features wireless CarPlay and Android Auto! - Bremmen Parts - Audi

Features an 8-core processor running Android 14 making it one powerful plug and play radio upgrade! Features wireless CarPlay and Android Auto! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
5374080
Mfg#:
022619BRP05-UIS6
In Stock
ON SALE! SAVE 15%
$560.99

This product was last offered at the strikethrough price on
09-16-2026

$476.84 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Injector Installation Kit

ES#5434406 - 06J998907DKT3 - Fuel Injector Installation Kit - A simple kit include to service all four injectors! - Assembled By ECS - Audi Volkswagen Porsche

A simple kit include to service all four injectors! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
5434406
Mfg#:
06J998907DKT3
In Stock
ON SALE! SAVE 18%
$46.99

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

$38.31 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cam Chain Tensioner Replacement Kit

ES#2770536 - 058109088KKT - Cam Chain Tensioner Replacement Kit - Everything needed for replacing your faulty cam chain tensioner - Assembled By ECS - Audi Volkswagen

Everything needed for replacing your faulty cam chain tensioner 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2770536
Mfg#:
058109088KKT
Ships on Oct 14, 2026
ON SALE! SAVE 23%
$188.99

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

$145.48 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet Slave Cylinder

ES#4941212 - SC-02029 - Billet Slave Cylinder - Upgrade and Restore the feel of your clutch - Clutch Masters - Audi

Upgrade and Restore the feel of your clutch From VIN 8E-4-270001, split is in the 2004 model year

Brand:
Clutch Masters - Corporate Logo
ES#:
4941212
Mfg#:
SC-02029
In Stock
10% off MSRP

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

$335.00

This product was last offered at the strikethrough price on
09-20-2026

$299.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Fuel Injector - Priced Each

ES#4619736 - 06F906036A - Fuel Injector - Priced Each - Keep your engine running smooth - Bremmen Parts - Audi Volkswagen
ECS Tuning recommends this product.

Keep your engine running smooth 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4619736
Mfg#:
06F906036A
In Stock
ON SALE! SAVE 15%
$105.99

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

$89.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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