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 S4 Engine Parts & Accessories

Sort By
Filter By
Return to Top

BMS Pedal Tuner

ES#3998870 - BPT-VA1 - BMS Pedal Tuner - Don't let weak and unresponsive factory gas pedal mapping ruin your driving experience! - Burger Motorsports - Audi Volkswagen

Don't let weak and unresponsive factory gas pedal mapping ruin your driving experience!

Brand:
Burger Motorsports - Corporate Logo
ES#:
3998870
Mfg#:
BPT-VA1
In Stock
$199.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ultimate Supercharger Service Kit

ES#4766226 - 06E145621SA2KT - Ultimate Supercharger Service Kit - Fix all possible coolant leaks for your 3.0T in one click! - Assembled By ECS - Audi

Fix all possible coolant leaks for your 3.0T in one click! 10X Entries Into Our F80 M3 Sweepstakes
Up to through the 2012 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
4766226
Mfg#:
06E145621SA2KT
In Stock
ON SALE!
$750.03

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

$698.05 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Crankshaft Pulley With Hardware

ES#4414598 - 06e105251faKT - Crankshaft Pulley With Hardware - Includes a OE Crankshaft Pulley with the necessary install hardware. - Assembled By ECS - Audi

Includes a OE Crankshaft Pulley with the necessary install hardware. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
4414598
Mfg#:
06E105251FAKT
In Stock
ON SALE!
$287.30 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Audi B5/B6/B7 A4/S4 Street Shield Skid Plate Kit

ES#4840231 - 030456la01KT - Audi B5/B6/B7 A4/S4 Street Shield Skid Plate Kit - Protect vital drivetrain and chassis components from costly damage with this durable 7GA aluminum skid plate! - ECS - Audi Volkswagen

Protect vital drivetrain and chassis components from costly damage with this durable 7GA aluminum skid plate! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4840231
Mfg#:
030456LA01KT
Ships in 3 Business Days
ON SALE!
$396.99

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

$385.08 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Kit

ES#4472399 - 06E121018KKT - Water Pump Kit - Includes a new water pump and thermostat - Assembled By ECS - Audi

Includes a new water pump and thermostat 10X Entries Into Our F80 M3 Sweepstakes
Fits from the 2013 model year (facelift)

Brand:
Assembled By ECS - Corporate Logo
ES#:
4472399
Mfg#:
06E121018KKT
In Stock
ON SALE! SAVE 29%
$340.99

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

$241.42 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

0w-30 Top Tec 4210 Synthetic Engine Oil - 1 Liter

ES#4339885 - 22156 - 0w-30 Top Tec 4210 Synthetic Engine Oil - 1 Liter - Fully synthetic, low-viscosity and low-SAPS motor oil developed for VAG 504.00/507.00 and BMW Longlife-04 specifications - Liqui-Moly - Audi BMW Volkswagen Porsche

Fully synthetic, low-viscosity and low-SAPS motor oil developed for VAG 504.00/507.00 and BMW Longlife-04 specifications 10X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Liqui-Moly - Corporate Logo
ES#:
4339885
Mfg#:
22156
In Stock
47% off MSRP

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

$25.99

This product was last offered at the strikethrough price on
10-21-2026

$13.89 USD
Free Shipping
on orders $49 and up

CTS Turbo Direct Fit Front Mount Intercooler Kit

ES#3612271 - CTS-B9-DF - CTS Turbo Direct Fit Front Mount Intercooler Kit - This giant intercooler core is almost twice as large as stock - The B9 platforms benefits greatly from an intercooler upgrade! - CTS - Audi

This giant intercooler core is almost twice as large as stock - The B9 platforms benefits greatly from an intercooler upgrade!

Brand:
CTS - Corporate Logo
ES#:
3612271
Mfg#:
CTS-B9-DF
Ships in 8 Business Days
ON SALE! SAVE 20%
$699.99

This product was last offered at the strikethrough price on
09-29-2026

$559.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Valve Cover Gasket Set

ES#3690559 - 06e103484nKT - Valve Cover Gasket Set - Includes the left and right side seals - Elring - Audi

Includes the left and right side seals 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
3690559
Mfg#:
06E103484NKT
In Stock
$54.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Audi B7 S4 Catback Exhaust

ES#4876874 - 012390LA - Audi B7 S4 Catback Exhaust - 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! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4876874
Mfg#:
012390LA
Ships in 5 Business Days
ON SALE!
Starting at $857.48 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Timing Chain Kit

ES#3438261 - 079109229KT12 - Timing Chain Kit - Includes the upgraded RS4 lower metal guide rail, iwis chains, and OEM tensioners/guides - The essentials necessary to get the job done! - Assembled By ECS - Audi

Includes the upgraded RS4 lower metal guide rail, iwis chains, and OEM tensioners/guides - The essentials necessary to get the job done! 10X Entries Into Our F80 M3 Sweepstakes
From VIN# 8E-4-200001, split is in 2004 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
3438261
Mfg#:
079109229KT12
Ships on Dec 2, 2026
ON SALE! SAVE 28%
$1363.99

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

$988.16 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

APR Upgraded Ignition Coil - Grey - Priced Each

ES#4376581 - MS100209 - APR Upgraded Ignition Coil - Grey - Priced Each - Designed to be a direct plug-and-play upgrade to factory coils, providing greater energy output, ensuring a stronger and more consistent spark! - APR - Audi Volkswagen

Designed to be a direct plug-and-play upgrade to factory coils, providing greater energy output, ensuring a stronger and more consistent spark! Call In Or Chat For Best Price!

Brand:
APR - Corporate Logo
ES#:
4376581
Mfg#:
MS100209
In Stock
ON SALE! SAVE 10%
$36.95

This product was last offered at the strikethrough price on
09-28-2026

$33.26 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Tuning Ultimate Audi B8 Facelift Street Shield Kit

ES#3612455 - 003251ecs01KT1 - ECS Tuning Ultimate Audi B8 Facelift Street Shield Kit - Get the ultimate under body protection for your B8! - ECS - Audi

Get the ultimate under body protection for your B8! 10X Entries Into Our F80 M3 Sweepstakes
Fits B8.5 chassis from the 2013 model year with manual and DSG transmissions only
Fits B8.5 chassis from the 2013 model year with manual and DSG transmissions only

Brand:
ECS - Corporate Logo
ES#:
3612455
Mfg#:
003251ECS01KT1
In Stock
ON SALE! SAVE 10%
$1086.99

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

$978.24 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B9 A4/S4 Transmission Street Shield Aluminum Skid Plate

ES#3979295 - 027567ecs01KT - Audi B9 A4/S4 Transmission Street Shield Aluminum Skid Plate - Protect your transmission pan and improve aerodynamics - ECS - Audi

Protect your transmission pan and improve aerodynamics 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3979295
Mfg#:
027567ECS01KT
In Stock
ON SALE! SAVE 15%
$354.99

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

$301.74 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B9 S4/S5/SQ5 3.0T Big Bore Cast Aluminum Turbo Inlet Pipe

ES#3647752 - 027714ECS01 - Audi B9 S4/S5/SQ5 3.0T Big Bore Cast Aluminum Turbo Inlet Pipe - Remove the plastic and reduce restriction at your turbo - ECS - Audi

Remove the plastic and reduce restriction at your turbo 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3647752
Mfg#:
027714ECS01
In Stock
ON SALE! SAVE 25%
$197.99

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

$148.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Autotech High Volume Fuel Pump Kit

ES#4829926 - 10-127-113K - Autotech High Volume Fuel Pump Kit - EA839 precision-machined internals - Autotech - Audi Porsche

EA839 precision-machined internals

Brand:
Autotech - Corporate Logo
ES#:
4829926
Mfg#:
10-127-113K
Back Ordered
$339.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ignition Coil Connector Housing - Priced Each

ES#452689 - 8K0973724 - Ignition Coil Connector Housing - Priced Each - The 4-pin connector for the ignition coils - Genuine Volkswagen Audi - Audi

The 4-pin connector for the ignition coils

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
452689
Mfg#:
8K0973724
In Stock
27% off MSRP

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

$14.50

This product was last offered at the strikethrough price on
09-28-2026

$10.64 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Parts & Accessories

Whether you're maintaining or repairing your stock engine or looking for added horsepower, we have one of the most comprehensive inventories of engine parts and accessories for German cars. From hard engine parts like connecting rods, pistons, cylinder heads, short blocks, and engine timing parts to performance engine software upgrades; we have you covered.

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 Your Privacy Choices Cookie Policy ECS Tuning is part of Enthusiast Auto Holdings