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Audi A4 Most Popular Parts

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Charcoal Lined Cabin Air Filter

ES#3448685 - 4M0819439A - Charcoal Lined Cabin Air Filter - The activated charcoal filters odor from reaching the cabin - Hengst - Audi Porsche
ECS Tuning recommends this product.

The activated charcoal filters odor from reaching the cabin affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat! Hengst is our preferred OEM filtration supplier!

Brand:
Hengst - Corporate Logo
ES#:
3448685
Mfg#:
4M0819439A
In Stock
$24.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Shocks & Struts Set - Sport B8

ES#2724033 - 8T0413031AFKT - Shocks & Struts Set - Sport B8 - Recommended for vehicles with lowering springs - Bilstein - Audi

Recommended for vehicles with lowering springs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Vehicles equipped with Electronic Damping Control (EDC) will lose shock dampening and receive a system error code

Brand:
Bilstein - Corporate Logo
ES#:
2724033
Mfg#:
8T0413031AFKT
Ships on Sep 3, 2026
Auto Notify
$1095.99

This product was last offered at the strikethrough price on
05-22-2026

$900.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Original Equipment Fuel Pump & Follower Replacement Kit

ES#2539364 - 06F127025KKTFL - Original Equipment Fuel Pump & Follower Replacement Kit - Replacement cam follower and high pressure fuel pump commonly used as a repair for P2294 CEL code. - Assembled By ECS - Audi Volkswagen

Replacement cam follower and high pressure fuel pump commonly used as a repair for P2294 CEL code. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For later models (from VIN 8E-6-266701) with barbed style fuel line fitting and hose

Brand:
Assembled By ECS - Corporate Logo
ES#:
2539364
Mfg#:
06F127025KKTFL
In Stock
ON SALE! SAVE 54%
$545.99

This product was last offered at the strikethrough price on
01-19-2026

$253.75 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Synthetic Gear Oil 75w90 - 1 Liter

ES#4766 - G052145S2 - Synthetic Gear Oil 75w90 - 1 Liter - Keep your gears quiet and smooth with new fluid - Genuine Volkswagen Audi - Audi Volkswagen

Keep your gears quiet and smooth with new fluid affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4766
Mfg#:
G052145S2
In Stock
$35.79 USD
Free Shipping
on orders $49 and up

FDS Front-Mount Intercooler Kit - Silver

ES#3470702 - IETPCK1 - FDS Front-Mount Intercooler Kit - Silver - Increase horsepower and eliminate heatsoak - Drop-in intercooler requires no cutting, trimming, or mods! - Integrated Engineering - Audi

Increase horsepower and eliminate heatsoak - Drop-in intercooler requires no cutting, trimming, or mods! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
3470702
Mfg#:
IETPCK1
In Stock
$1034.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

IE Performance K04 Tune - Includes TCU Tune & POWERlink Cable

ES#5375507 - IESOVT23+TCU - IE Performance K04 Tune - Includes TCU Tune & POWERlink Cable - Average gain of 145 horsepower and 131 lb-ft of torque on 91 Octane - Integrated Engineering - Audi

Average gain of 145 horsepower and 131 lb-ft of torque on 91 Octane affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
For 8-speed automatic transmissions only

Brand:
Integrated Engineering - Corporate Logo
ES#:
5375507
Mfg#:
IESOVT23+TCU
In Stock
$1327.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

High Performance Genuine Engine Oil (0w-30) - 1 Quart

ES#4871639 - GC550301QDSP - High Performance Genuine Engine Oil (0w-30) - 1 Quart - Meets Volkswagen & Audi 504.00 / 507.00 long drain specification - Genuine Volkswagen Audi - Audi Volkswagen

Meets Volkswagen & Audi 504.00 / 507.00 long drain specification affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4871639
Mfg#:
GC550301QDSP
In Stock
$14.29 USD
Free Shipping
on orders $49 and up

Oil Filter - Priced Each

ES#2807606 - 06J115403Q - Oil Filter - Priced Each - Keep your oil clean and your engine running like new - Hengst - Audi Volkswagen
ECS Tuning recommends this product.

Keep your oil clean and your engine running like new affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat! Hengst is our preferred OEM filtration supplier! ***Now requires a 15-flute socket to install/remove. Ple

Brand:
Hengst - Corporate Logo
ES#:
2807606
Mfg#:
06J115403Q
In Stock
$16.99 USD
Free Shipping
on orders $49 and up

Density Line Control Arm Kit - Complete

ES#2954049 - 034-401-1002 - Density Line Control Arm Kit - Complete - Complete Density Line Control Arm Kit - Features all front suspension links and new installation hardware. - 034Motorsport - Audi Volkswagen

Complete Density Line Control Arm Kit - Features all front suspension links and new installation hardware. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
2954049
Mfg#:
034-401-1002
In Stock
$409.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Intake Manifold

ES#4871916 - 06L133201FP - Intake Manifold - Complete intake manifold with incorporated flapper motor - Bremmen Parts - Audi Volkswagen

Complete intake manifold with incorporated flapper motor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4871916
Mfg#:
06L133201FP
In Stock
ON SALE! SAVE 20%
$425.99

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

$340.26 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Motul Gear 300 Manual Transmission / Differential Fluid (75w-90) - 1 Liter

ES#261741 - 317811 - Motul Gear 300 Manual Transmission / Differential Fluid (75w-90) - 1 Liter - Fully synthetic GL-4 / GL-5 gear oil, designed for high performance use - Motul - Audi BMW Volkswagen MINI Porsche

Fully synthetic GL-4 / GL-5 gear oil, designed for high performance use affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Motul - Corporate Logo
ES#:
261741
Mfg#:
317811
In Stock
7% off MSRP

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

$29.11

This product was last offered at the strikethrough price on
06-04-2026

$26.99 USD
Free Shipping
on orders $49 and up

19" Style 628 Wheels - Set Of Four

ES#2724024 - 628-9KT - 19" Style 628 Wheels - Set Of Four - 19"x8.5" ET35 5x112 - Gloss Gunmetal/Machined Face - Alzor - Audi MINI

19"x8.5" ET35 5x112 - Gloss Gunmetal/Machined Face affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Alzor - Corporate Logo
ES#:
2724024
Mfg#:
628-9KT
In Stock
ON SALE! SAVE 25%
$1300.00

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

$975.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front 2-Piece Scalloped Brake Rotors - Pair (365x34)

ES#2785596 - 003281ECS02A02KT - Front 2-Piece Scalloped Brake Rotors - Pair (365x34) - Direct bolt-on upgrade to Tru-Float scalloped style rotors - ECS - Audi

Direct bolt-on upgrade to Tru-Float scalloped style rotors 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 3 Audi RS Big Brake Kit

Brand:
ECS - Corporate Logo
ES#:
2785596
Mfg#:
003281ECS02A02KT
In Stock
ON SALE!
$1647.99

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

$1598.55 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Complete Rear Differential Mount Insert Kit

ES#2992521 - 008288ecs01KT - Complete Rear Differential Mount Insert Kit - Increase drivetrain rigidity and response! - ECS - Audi Porsche

Increase drivetrain rigidity and response! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2992521
Mfg#:
008288ECS01KT
In Stock
ON SALE! SAVE 40%
$192.99

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

$115.79 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B9 A4 / S4 Flat Side Skirts - Gloss Black

ES#4163869 - 001734la01 - Audi B9 A4 / S4 Flat Side Skirts - Gloss Black - Enhance your side profile with an aggressive look! - ECS - Audi

Enhance your side profile with an aggressive look! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4163869
Mfg#:
001734LA01
In Stock
ON SALE! SAVE 25%
$356.99

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

$269.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Thermostat/Water Pump Kit - With Belt

ES#5425238 - 06L121111J - Thermostat/Water Pump Kit - With Belt - Advanced design with fewer moving parts and lower weight - without sacrificing cooling performance or warm-up temperature curve. Includes thermostat, water pump, union, and belt. - Bremmen Parts - Audi Volkswagen Porsche

Advanced design with fewer moving parts and lower weight - without sacrificing cooling performance or warm-up temperature curve. Includes thermostat, water pump, union, and belt. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
5425238
Mfg#:
06L121111J
In Stock
ON SALE! SAVE 20%
$265.99

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

$212.15 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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