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

Lightweight Flywheel, 112621

ES#7820 - B5S4FLWF - Lightweight Flywheel, 112621 - Fidanza - Audi

*For use with Audi B7 RS4 Clutch Kit - ES2538757*

Brand:
Fidanza - Corporate Logo
ES#:
7820
Mfg#:
B5S4FLWF
In Stock
$640.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

IE Audi 3.0T Crank Pulley Upgrade Kit - 188mm

ES#4491703 - IEBAVJ7 - IE Audi 3.0T Crank Pulley Upgrade Kit - 188mm - Increases supercharger RPM by 26% when paired with IE 57.5mm overdrive supercharger pulley - Integrated Engineering - Audi

Increases supercharger RPM by 26% when paired with IE 57.5mm overdrive supercharger pulley 5X Entries For Our 25th Anniversary Sweepstakes!
Requires 57.5mm SC pulley and stage 2 dual pulley ECU tune

Brand:
Integrated Engineering - Corporate Logo
ES#:
4491703
Mfg#:
IEBAVJ7
In Stock
$497.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Rear Differential Mount - Audi B6/B7 A4/S4

ES#2717984 - 003249ECS01 - Performance Rear Differential Mount - Audi B6/B7 A4/S4 - Increase drivetrain rigidity and response! - ECS - Audi

Increase drivetrain rigidity and response! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2717984
Mfg#:
003249ECS01
In Stock
ON SALE!
$235.99

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

$228.04 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Bottom End Engine Upgrade Package - EA837 3.0T

ES#4845376 - 034-202-D003 - Bottom End Engine Upgrade Package - EA837 3.0T - Provides all of the key components needed to turn your Audi EA837 3.0T Engine into a bulletproof powertrain! - 034Motorsport - Audi

Provides all of the key components needed to turn your Audi EA837 3.0T Engine into a bulletproof powertrain!

Brand:
034Motorsport - Corporate Logo
ES#:
4845376
Mfg#:
034-202-D003
Ships in 2 Business Days
$4891.00

This product was last offered at the strikethrough price on
03-13-2026

$4804.00 USD
Free Shipping

Supercharger Inlet Kit - Carbon Fiber - Audi B8 S4/S5 3.0T

ES#2836833 - 000931ecs02aKT - Supercharger Inlet Kit - Carbon Fiber - Audi B8 S4/S5 3.0T - Replace the accordion throttle body hose with a smooth carbon fiber tube - ECS - Audi

Replace the accordion throttle body hose with a smooth carbon fiber tube 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2836833
Mfg#:
000931ECS02AKT
In Stock
ON SALE! SAVE 15%
$252.99

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

$215.04 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

JHM HD Overdrive Lightweight Supercharger Crank Pulley (179mm)

ES#4045867 - 06E105251F-179mm - JHM HD Overdrive Lightweight Supercharger Crank Pulley (179mm) - Eliminates the problematic two-piece design and rubber isolator found in the stock crank pulley while reducing the mass of the motor's rotating assembly. - JH Motorsports - Audi Volkswagen Porsche

Eliminates the problematic two-piece design and rubber isolator found in the stock crank pulley while reducing the mass of the motor's rotating assembly. *To be used with 'Stage 2' software or software specific to a supercharger crank pulley upgrade*

Brand:
JH Motorsports - Corporate Logo
ES#:
4045867
Mfg#:
06E105251F-179MM
Ships in 2 Business Days
$324.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Supercharger Inlet Kit - Silicone - Audi B8 S4/S5 3.0T

ES#3170829 - 007344ECS01KT2 - Supercharger Inlet Kit - Silicone - Audi B8 S4/S5 3.0T - Wire reinforced silicone smooths the intake tract & hinders collapsing. The ultimate in durability! - ECS - Audi
ECS Tuning recommends this product.

Wire reinforced silicone smooths the intake tract & hinders collapsing. The ultimate in durability! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3170829
Mfg#:
007344ECS01KT2
In Stock
ON SALE! SAVE 25%
$167.99

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

$125.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Street Density Line Transmission Mount - Priced Each

ES#2951985 - 034-509-4046sd - Street Density Line Transmission Mount - Priced Each - Increase performance and durability without sacrificing comfort - 034Motorsport - Audi

Increase performance and durability without sacrificing comfort Fits the left and right side

Brand:
034Motorsport - Corporate Logo
ES#:
2951985
Mfg#:
034-509-4046SD
Ships in 5 Business Days
$96.00

This product was last offered at the strikethrough price on
05-01-2026

$75.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Genuine Ignition Service Kit

ES#4475302 - 06M905606F5KT - Genuine Ignition Service Kit - Includes six Genuine VW/Audi coil packs and OEM spark plugs to service your ignition system - Genuine Volkswagen Audi - Audi

Includes six Genuine VW/Audi coil packs and OEM spark plugs to service your ignition system

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4475302
Mfg#:
06M905606F5KT
In Stock
$681.83 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi 3.0T Performance Overdrive Crank Pulley With ECS Performance Kevlar Reinforced Supercharger Belt - 187.3mm - For Use With Supercharger Pulley Upgrade

ES#4821293 - 025510ECS01KT3 - Audi 3.0T Performance Overdrive Crank Pulley With ECS Performance Kevlar Reinforced Supercharger Belt - 187.3mm - For Use With Supercharger Pulley Upgrade - Spin the supercharger faster without affecting the accessory drive system - ECS - Audi Volkswagen Porsche

Spin the supercharger faster without affecting the accessory drive system 10X Entries For Our 25th Anniversary Sweepstakes!
Appropriate stage 2 software is required for use

Brand:
ECS - Corporate Logo
ES#:
4821293
Mfg#:
025510ECS01KT3
Ships on Oct 27, 2026
Auto Notify
$408.98 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

APR Open Carbon Fiber Intake System

ES#3579697 - CI100037 - APR Open Carbon Fiber Intake System - APR's ultimate intake system for the 3.0 TFSI - APR - Audi

APR's ultimate intake system for the 3.0 TFSI Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
APR - Corporate Logo
ES#:
3579697
Mfg#:
CI100037
EO#:
D-782-8
Ships in 10 Business Days
11% off MSRP

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

$652.99

This product was last offered at the strikethrough price on
07-22-2026

$579.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ultimate Short Throw Shifter Kit

ES#4304757 - B8014A1 - Ultimate Short Throw Shifter Kit - The ONLY short throw that drastically reduces throw length, slop, and flex under load. Includes a Short Shift Clamp and Billet Shifter Mounting Plate with upgraded billet slider bushings. - JXB Performance - Audi

The ONLY short throw that drastically reduces throw length, slop, and flex under load. Includes a Short Shift Clamp and Billet Shifter Mounting Plate with upgraded billet slider bushings. For manual transmissions only.

Brand:
JXB Performance - Corporate Logo
ES#:
4304757
Mfg#:
B8014A1
In Stock
$269.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

TTE710 Turbo Upgrade - B9 S4/S5/SQ5 3.0T

ES#4493300 - TTE10388 - TTE710 Turbo Upgrade - B9 S4/S5/SQ5 3.0T - Pair this with the Integrated Engineering or 034 Motorsports Stage 3 tune for 600+hp! - The Turbo Engineers - Audi

Pair this with the Integrated Engineering or 034 Motorsports Stage 3 tune for 600+hp! Custom tuning software required for installation.

Brand:
The Turbo Engineers - Corporate Logo
ES#:
4493300
Mfg#:
TTE10388
Ships in 8 Business Days
$3999.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Lightweight Steel Flywheel (20lbs)

ES#3090723 - SA44S - Lightweight Steel Flywheel (20lbs) - Single mass lightweight flywheel - Reduce rotating mass, unleash hidden power - Spec Clutches - Audi

Single mass lightweight flywheel - Reduce rotating mass, unleash hidden power

Brand:
Spec Clutches - Corporate Logo
ES#:
3090723
Mfg#:
SA44S
Ships in 3 Business Days
$799.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

-10AN ORB X 3/4" Hose Barb Fitting Assembly - Priced Each

ES#3187875 - 003779ECS10 - -10AN ORB X 3/4" Hose Barb Fitting Assembly - Priced Each - Universal fitting for ECS Tuning Catch can to use a 3/4" Hose - ECS - Audi BMW Volkswagen MINI

Universal fitting for ECS Tuning Catch can to use a 3/4" Hose 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3187875
Mfg#:
003779ECS10
In Stock
ON SALE! SAVE 25%
$39.99

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

$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Stage 3 Daily Clutch Kit

Designed for high-powered street cars while capable enough to handle the track. Conservatively rated at 600ft/lbs.

Brand:
South Bend Clutch - Corporate Logo
ES#:
3698205
Mfg#:
K70619F-SS-O
Ships in 1 Business Day
$3841.99 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