Shop Our Clearance Sale - Up To 80% Off FREE SHIPPING on Orders $49+ *exclusions apply

Menu

Call Us330-331-2003 ChatLive Chat Text Us!
0 Shopping Cart
Your Vehicle

No Vehicle selected
Please select your vehicle below.

    • Audi
    • BMW
    • Mercedes Benz
    • MINI
    • Porsche
    • Volkswagen

Saved Vehicles

My Vehicles
You currently have no stored vehicles.

Recent Vehicles

Recent Vehicles Manage Vehicles

You currently have no recent vehicles.

We'll automatically keep fully selected vehicles here for your convenience.

Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
0
Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
Cancel
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle Please tap 'Select' to pick a vehicle
Your Vehicle Please tap 'Select' to pick a vehicle
Select

Audi A4 Most Popular Parts

Sort By
Filter By
Return to Top

B4 OE Sport Shocks & Struts Kit

ES#3031023 - 19-164472kt - B4 OE Sport Shocks & Struts Kit - Engineered to restore original performance and handling. German-made with world-famous Bilstein quality and a limited lifetime warranty! - Bilstein - Audi

Engineered to restore original performance and handling. German-made with world-famous Bilstein quality and a limited lifetime warranty! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Bilstein - Corporate Logo
ES#:
3031023
Mfg#:
19-164472KT
In Stock
$400.99

This product was last offered at the strikethrough price on
03-19-2026

$384.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Flywheel

ES#4141940 - 0B1105266AG - Flywheel - Includes mounting hardware (280mm) - Sachs - Audi

Includes mounting hardware (280mm) affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Fits pre-facelift models up through 2012 model year

Brand:
Sachs - Corporate Logo
ES#:
4141940
Mfg#:
0B1105266AG
In Stock
$697.99

This product was last offered at the strikethrough price on
04-29-2026

$447.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Audi B8 A4/S4 Gloss Black Grille Accent Set - Pre Facelift

ES#3697647 - 027962ECS01 - Audi B8 A4/S4 Gloss Black Grille Accent Set - Pre Facelift - 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!

Fits Pre-Facelift sedan models with S-Line(S4) front bumpers up to the 2012 model year

Brand:
ECS - Corporate Logo
ES#:
3697647
Mfg#:
027962ECS01
In Stock
ON SALE! SAVE 21%
$188.99

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

$149.17 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

G-Force III Electronic Boost Controller

ES#3579230 - 3005 - G-Force III Electronic Boost Controller - G-Force II offers More Powerful Features, more Simplicity - Performance without the hassle! - Go Fast Bits - Audi Volkswagen

G-Force II offers More Powerful Features, more Simplicity - Performance without the hassle! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Go Fast Bits - Corporate Logo
ES#:
3579230
Mfg#:
3005
In Stock at Vendor
$412.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Piston Assembly - Set Of 4

ES#4821225 - 06h107065dm4KT - Piston Assembly - Set Of 4 - Includes four piston assemblies with piston rings, wrist pins, and circlips - *Post oil consumption TSB - See long description for more details* - 23mm wrist pin - Kolbenschmidt - Audi Volkswagen

Includes four piston assemblies with piston rings, wrist pins, and circlips - *Post oil consumption TSB - See long description for more details* - 23mm wrist pin affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Post oil consumption TSB piston assembly - This updated piston assembly has larger 23mm wrist pin. Must be used with updated connecting rod (06H198401D)

Brand:
Kolbenschmidt - Corporate Logo
ES#:
4821225
Mfg#:
06H107065DM4KT
In Stock
$810.99

This product was last offered at the strikethrough price on
05-13-2026

$763.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Carbon Fiber Fog Light Grille Overlay Set - Audi B8.5 A4/S4

ES#3419105 - 022928ecs01KT - Carbon Fiber Fog Light Grille Overlay Set - Audi B8.5 A4/S4 - Masks the aluminum-look trim strips on the fog light grilles with carbon fiber - ECS - Audi

Masks the aluminum-look trim strips on the fog light grilles with carbon fiber affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Fits Facelift models with S-Line(S4) front bumpers from the 2013 model year

Brand:
ECS - Corporate Logo
ES#:
3419105
Mfg#:
022928ECS01KT
In Stock
ON SALE! SAVE 15%
$169.99

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

$144.45 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Timing Belt Kit - Ultimate

ES#3960 - B6A4UTBKEV - Timing Belt Kit - Ultimate - Everything you need for a complete timing belt job on your 1.8T. Buy it all together & save. - Assembled By ECS - Audi

Everything you need for a complete timing belt job on your 1.8T. Buy it all together & save. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Up to VIN 8E-4-191000, split is in the 2004 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
3960
Mfg#:
B6A4UTBKEV
Ships in 3 Business Days
ON SALE!
$226.99

This product was last offered at the strikethrough price on
04-08-2026

$213.58 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Stage 1 Clutch Kit

ES#2661313 - SA781-2 - Stage 1 Clutch Kit - Great for a daily driver who wants a sportier feel - Rated at 315 ft/lbs - Spec Clutches - Audi

Great for a daily driver who wants a sportier feel - Rated at 315 ft/lbs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Spec Clutches - Corporate Logo
ES#:
2661313
Mfg#:
SA781-2
In Stock
$889.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Full Polyurethane Rear Control Arm Bushing Kit

ES#4701648 - POW-073-75 - Full Polyurethane Rear Control Arm Bushing Kit - Control movement and maintain wheel alignment - Verkline - Audi

Control movement and maintain wheel alignment affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Verkline - Corporate Logo
ES#:
4701648
Mfg#:
POW-073-75
Ships in 2 Business Days
$665.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

CTS Billet Valve Cover

ES#4042976 - CTS-HW-250 - CTS Billet Valve Cover - Direct replacement for your plastic factory valve cover. - CTS - Audi Volkswagen

Direct replacement for your plastic factory valve cover. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with FSI engine only. Oil catch can required.

Brand:
CTS - Corporate Logo
ES#:
4042976
Mfg#:
CTS-HW-250
In Stock
$379.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

380cc Fuel Injectors - Set Of Four

ES#2594193 - BOS380CC4 - 380cc Fuel Injectors - Set Of Four - Larger capacity fuel injector for performance uses. - Bosch - Audi Volkswagen

Larger capacity fuel injector for performance uses. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Not compatible with APR Stage 1+ software

Brand:
Bosch - Corporate Logo
ES#:
2594193
Mfg#:
BOS380CC4
In Stock
$279.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front & Rear Brake Pad Set

ES#3969916 - 8w0698151adKT - Front & Rear Brake Pad Set - Factory replacement pads for a stock feel, includes front and rear pads - Genuine Volkswagen Audi - Audi

Factory replacement pads for a stock feel, includes front and rear pads affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3969916
Mfg#:
8W0698151ADKT
Ships in 1-2 days
$453.37

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

$442.92 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Position Rear Differential Mount Insert Kit

ES#2992519 - 008288ECS01 - Front Position Rear Differential Mount Insert Kit - Decrease differential slop for better drivetrain response! - ECS - Audi Porsche

Decrease differential slop for better drivetrain response! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2992519
Mfg#:
008288ECS01
In Stock
ON SALE! SAVE 40%
$93.99

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

$56.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

034Motorsport Street Density Rear Shock Mount - Priced Each

ES#4883200 - 034-601-3002 - 034Motorsport Street Density Rear Shock Mount - Priced Each - Features 70A Durometer Density Line Rubber and engineered for increased performance and durability over the factory rear shock mounts! - 034Motorsport - Audi Porsche

Features 70A Durometer Density Line Rubber and engineered for increased performance and durability over the factory rear shock mounts! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4883200
Mfg#:
034-601-3002
In Stock
$53.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Premium Ceramic OE Equivalent Pad - Rear

ES#4486099 - 3C0698451A - Premium Ceramic OE Equivalent Pad - Rear - Brembo NAO Ceramic pads are designed to deliver improved comfort and reduced pad wear - Brembo - Audi Volkswagen

Brembo NAO Ceramic pads are designed to deliver improved comfort and reduced pad wear affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Brembo - Corporate Logo
ES#:
4486099
Mfg#:
3C0698451A
Back Ordered
Auto Notify
29% off MSRP

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

$69.99

This product was last offered at the strikethrough price on
06-05-2026

$49.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

21" ZTF-R01 Forged Wheels - Set Of Four

ES#4732758 - 034-604-0010SBKT - 21" ZTF-R01 Forged Wheels - Set Of Four - 21"x10" ET32 5x112 - Satin Black - 034Motorsport - Audi

21"x10" ET32 5x112 - Satin Black affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4732758
Mfg#:
034-604-0010SBKT
Ships in 2 Business Days
$5296.00 USD
This product is lifetime replacement eligible Lifetime Replacement

Let us help you find the parts that fit your Audi

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

Terms of Use Privacy Policy ECS Tuning is part of Enthusiast Auto Holdings