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 Performance Engine & Drivetrain Parts

Sort By
Filter By
Return to Top

AWE ColdFront Heat Exchanger System - B8/B8.5 3.0T

ES#4736331 - 4510-11032 - AWE ColdFront Heat Exchanger System - B8/B8.5 3.0T - The proven solution for reducing intake air temperature. Choose from ColdFront Heat Exchanger, ColdFront Reservoir, and ColdFront Coolant Pump, best in combination, but available separately. - AWE - Audi

The proven solution for reducing intake air temperature. Choose from ColdFront Heat Exchanger, ColdFront Reservoir, and ColdFront Coolant Pump, best in combination, but available separately.

Brand:
AWE - Corporate Logo
ES#:
4736331
Mfg#:
4510-11032
Ships in 4 Business Days
Starting at $995.00 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

RS4 Clutch Kit With 034Motorsport Billet Flywheel

ES#3999994 - 034-503-1009KT - RS4 Clutch Kit With 034Motorsport Billet Flywheel - Featuring the 034Motorsport Billet Lightweight Flywheel, paired with a LUK OE B7 RS4 clutch kit, and associated hardware - Assembled By ECS - Audi

Featuring the 034Motorsport Billet Lightweight Flywheel, paired with a LUK OE B7 RS4 clutch kit, and associated hardware 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3999994
Mfg#:
034-503-1009KT
Back Ordered
$1008.99

This product was last offered at the strikethrough price on
06-29-2026

$956.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Chrome-Moly Forged Lightweight Flywheel

ES#4046130 - SMFL-B6B7S4-KIT - Chrome-Moly Forged Lightweight Flywheel - 11lbs lighter than OEM Flywheel - JH Motorsports - Audi

11lbs lighter than OEM Flywheel For late 2005 models and up

Brand:
JH Motorsports - Corporate Logo
ES#:
4046130
Mfg#:
SMFL-B6B7S4-KIT
Ships on Aug 7, 2026
$949.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

X34 Carbon Fiber Air Scoop - Large Intercooler Size

ES#4845335 - 034-108-Z134 - X34 Carbon Fiber Air Scoop - Large Intercooler Size - Increase airflow for your 2.0T or 3.0T equipped B9 A4/S4/Allroad with the 034Motorsport X34 Carbon Fiber Intake Air Scoop! - 034Motorsport - Audi

Increase airflow for your 2.0T or 3.0T equipped B9 A4/S4/Allroad with the 034Motorsport X34 Carbon Fiber Intake Air Scoop! Will not fit vehicles with the active grille shutter system, such as B9.5 A4 and allroad.

Brand:
034Motorsport - Corporate Logo
ES#:
4845335
Mfg#:
034-108-Z134
Ships in 3 Business Days
$174.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

CTS Street Sport Transmission Mount

ES#4070114 - CTS-TM-AUDI2-50D - CTS Street Sport Transmission Mount - 50 Durometer rubber construction - CTS - Audi

50 Durometer rubber construction Manual transmission only

Brand:
CTS - Corporate Logo
ES#:
4070114
Mfg#:
CTS-TM-AUDI2-50D
Ships in 8 Business Days
$84.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Sachs Performance Clutch Kit

ES#3463384 - 001423001707KT - Sachs Performance Clutch Kit - Includes high-clamp pressure plate and full-face organic clutch disc - Handles up to 400 lb-ft of torque - SACHS Performance - Audi

Includes high-clamp pressure plate and full-face organic clutch disc - Handles up to 400 lb-ft of torque To be used in conjuction with factory flywheel and release bearing

Brand:
SACHS Performance - Corporate Logo
ES#:
3463384
Mfg#:
001423001707KT
Back Ordered
$931.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Clutch Masters 850 Series Twin Disc Steel Flywheel

ES#2830888 - FW029BTDS - Clutch Masters 850 Series Twin Disc Steel Flywheel - Lightweight steel flywheel for 8.50 in Twin Disc - Clutch Masters - Audi

Lightweight steel flywheel for 8.50 in Twin Disc

Brand:
Clutch Masters - Corporate Logo
ES#:
2830888
Mfg#:
FW029BTDS
Ships in 8 Business Days
15% off MSRP

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

$1094.99

This product was last offered at the strikethrough price on
07-23-2026

$930.99 USD
Free Shipping
on orders $49 and up

B5 A4 / S4 Quattro Adjustable Damping Coilovers & Performance Rear Differential Mount

ES#4751048 - 000703LA01EBKT - B5 A4 / S4 Quattro Adjustable Damping Coilovers & Performance Rear Differential Mount - Features 32 way adjustable damping, variable length and zinc-coated shock bodies - Enthusiast Bundles - Audi

Features 32 way adjustable damping, variable length and zinc-coated shock bodies Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One!

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4751048
Mfg#:
000703LA01EBKT
In Stock
ON SALE! SAVE 29%
$1288.99

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

$917.20 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Stage 2 Endurance Clutch Kit

ES#3106502 - k70286hdofeKT - Stage 2 Endurance Clutch Kit - Designed for track use while still streetable. Conservatively rated at 450ft/lbs. - South Bend Clutch - Audi

Designed for track use while still streetable. Conservatively rated at 450ft/lbs. Recommended to be used with South Bend Flywheel SBC0504

Brand:
South Bend Clutch - Corporate Logo
ES#:
3106502
Mfg#:
K70286HDOFEKT
Ships in 2 Business Days
$910.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Unitronic Performance Software - Stage 1+

ES#4376314 - 30T-EA839-1+ - Unitronic Performance Software - Stage 1+ - Gain up to 100 horsepower and 112 lb-ft of torque on 93 Octane - Unitronic - Audi

Gain up to 100 horsepower and 112 lb-ft of torque on 93 Octane This tune requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the next

Brand:
Unitronic - Corporate Logo
ES#:
4376314
Mfg#:
30T-EA839-1+
In Stock
$900.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Charge Pipe Kit

This includes 3 reinforced silicone hoses, and 1 aluminum charge air tube. For vehicles that have the Wagner Competition Intercooler

Brand:
Wagner Tuning - Corporate Logo
ES#:
4017656
Mfg#:
210001120
In Stock at Vendor
$450.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

APR 3.0T Stage 1 ECU Upgrade

ES#4057386 - DPP-30T-MG1 - APR 3.0T Stage 1 ECU Upgrade - Expect massive gains with 431-480 HP with 467-549 FT-LBS of torque on tap, depending on octane, from this simple software upgrade! - APR - Audi

Expect massive gains with 431-480 HP with 467-549 FT-LBS of torque on tap, depending on octane, from this simple software upgrade! Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes!
This upgrade must be performed at ECS Tuning's facility in Ohio.

Brand:
APR - Corporate Logo
ES#:
4057386
Mfg#:
DPP-30T-MG1
In Stock
$899.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Driveshaft Center Support Bearing Carrier

Holds the driveshaft where it should be. For vehicles with 01A, 01E, or 0A3 transmissions.

Brand:
JXB Performance - Corporate Logo
ES#:
4304955
Mfg#:
B6002A0
In Stock at Vendor
Starting at $299.99 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Clutch Kit - Stage 2+

ES#2586456 - SA443H - Clutch Kit - Stage 2+ - Features a full faced, multi-friction disc with a torque rating of 540 ft/lbs - Spec Clutches - Audi

Features a full faced, multi-friction disc with a torque rating of 540 ft/lbs

Brand:
Spec Clutches - Corporate Logo
ES#:
2586456
Mfg#:
SA443H
Ships in 4 Business Days
$899.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Build Your Own Power Package - Audi B9 S4 3.0T

ES#4017052 - B9S4PWRPK - Build Your Own Power Package - Audi B9 S4 3.0T - Go from mild to wild! Select the options you want for your build. - Assembled By ECS - Audi

Go from mild to wild! Select the options you want for your build. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4017052
Mfg#:
B9S4PWRPK
Ships on Dec 22, 2026
ON SALE!
Starting at $0.00 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Supercharger Pulley Upgrade Kit

ES#3082216 - CTS-HW-0133 - Supercharger Pulley Upgrade Kit - Software & installation kit not included in this upgrade kit - CTS - Audi Porsche

Software & installation kit not included in this upgrade kit *For models with press-on style supercharger pulleys - 3.0 TFSI Performance Software is sold separately a

Brand:
CTS - Corporate Logo
ES#:
3082216
Mfg#:
CTS-HW-0133
Back Ordered
Auto Notify
ON SALE! SAVE 20%
$159.99

This product was last offered at the strikethrough price on
07-10-2026

$127.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Engine & Drivetrain Parts

Worn mounts, bushings, and other drivetrain components rob performance. Replace or upgrade your drivetrain with our extensive catalog of mounts, bushings, clutch kits, and more.

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