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

Complete Rear Differential Mount Kit

ES#3172515 - 018327ecs01KT - Complete Rear Differential Mount Kit - Includes the ECS Rear Differential Mount and Carrier Mount Inserts! - ECS - Audi

Includes the ECS Rear Differential Mount and Carrier Mount Inserts! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3172515
Mfg#:
018327ECS01KT
In Stock
ON SALE! SAVE 15%
$385.99

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

$328.09 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

B5 S4 Center Differential Delete - NO WELDING NEEDED

ES#4637661 - 015434LA01A - B5 S4 Center Differential Delete - NO WELDING NEEDED - Easily allows the removal of center differential when converting your B5 S4 to RWD (rear wheel drive) from Quattro - ECS - Audi

Easily allows the removal of center differential when converting your B5 S4 to RWD (rear wheel drive) from Quattro 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4637661
Mfg#:
015434LA01A
Ships on Mar 16, 2027
ON SALE! SAVE 25%
$611.99

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

$458.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Complete Drivetrain Mount Insert Kit

ES#3194637 - 019208ecs01KT1 - Complete Drivetrain Mount Insert Kit - Decrease slop and increase drivetrain rigidity and response! - ECS - Audi

Decrease slop and increase drivetrain rigidity and response! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3194637
Mfg#:
019208ECS01KT1
In Stock
ON SALE! SAVE 15%
$242.99

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

$206.54 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Garrett GEN2 GTX3076R Dual Ball Bearing turbocharger

ES#4135253 - GRT-TBO-K51 - Garrett GEN2 GTX3076R Dual Ball Bearing turbocharger - Garrett GEN2 GTX3076R dual ball bearing turbocharger with a T04E frame (4" inlet and 2" outlet compressor housing) and a .61 A/R Divided (Twin-scroll) V-Band Inlet and GT 3" V-Band outlet turbine housing (Ni-Resist Material). - ATP - Audi Volkswagen

Garrett GEN2 GTX3076R dual ball bearing turbocharger with a T04E frame (4" inlet and 2" outlet compressor housing) and a .61 A/R Divided (Twin-scroll) V-Band Inlet and GT 3" V-Band outlet turbine housing (Ni-Resist Material). Used for custom, big turbo applications only - ECS Tuning does not offer support on tuning, fueling, exhaust manifold, etc

Brand:
ATP - Corporate Logo
ES#:
4135253
Mfg#:
GRT-TBO-K51
Ships in 7 Business Days
$2265.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Supertech Stainless Intake Valve - Priced Each

ES#3624375 - ST-AIVN-1103 - Supertech Stainless Intake Valve - Priced Each - Standard sized valve head diameter, factory triple groove keeper setup - Supertech - Audi Volkswagen

Standard sized valve head diameter, factory triple groove keeper setup *Valves priced individually - For 1.8T - qty 12 needed / For 2.7T - qty 18 needed - Please see long description for additional valve seal/keeper informa

Brand:
Supertech - Corporate Logo
ES#:
3624375
Mfg#:
ST-AIVN-1103
In Stock
$28.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Performance Ignition Coil - Priced Each

ES#4846107 - 056059LA07 - ECS Performance Ignition Coil - Priced Each - Increased energy output over OE coils for a stronger, more consistent spark! - ECS - Audi Volkswagen

Increased energy output over OE coils for a stronger, more consistent spark! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4846107
Mfg#:
056059LA07
In Stock
ON SALE! SAVE 20%
$35.99

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

$28.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Mishimoto Oil Catch Can Kit

ES#4141537 - MMBCCS418PBE - Mishimoto Oil Catch Can Kit - Give the 3.0T TFSI powering your 2018+ Audi S4 or S5 the extra layer of defense that it needs - Mishimoto - Audi

Give the 3.0T TFSI powering your 2018+ Audi S4 or S5 the extra layer of defense that it needs

Brand:
Mishimoto - Corporate Logo
ES#:
4141537
Mfg#:
MMBCCS418PBE
Ships in 4 Business Days
$445.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

B9 S4/S5 Charge Pipe Kit

ES#4159029 - CTS-IT-292 - B9 S4/S5 Charge Pipe Kit - 2.5" diameter piping to increase your throttle response and decrease turbo lag - CTS - Audi

2.5" diameter piping to increase your throttle response and decrease turbo lag

Brand:
CTS - Corporate Logo
ES#:
4159029
Mfg#:
CTS-IT-292
Ships in 8 Business Days
ON SALE! SAVE 15%
$199.99

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

$169.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

High Pressure Fuel Pump Tool

ES#4505757 - 034-106-Z056 - High Pressure Fuel Pump Tool - Designed to make the disassembly and reassembly of the high pressure fuel pump a breeze! - 034Motorsport - Audi

Designed to make the disassembly and reassembly of the high pressure fuel pump a breeze! 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4505757
Mfg#:
034-106-Z056
In Stock
$28.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Motorsport Street Density Motor Mount Pair

ES#2864597 - 034-509-0006 - Motorsport Street Density Motor Mount Pair - The ultimate in performance and durability - 034Motorsport - Audi

The ultimate in performance and durability 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
2864597
Mfg#:
034-509-0006
Ships in 3 Business Days
$364.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Might-As-Well-Be-Gated Kit

ES#4419866 - B8029A1 - Might-As-Well-Be-Gated Kit - This combo all but eliminates shifter slop and flex under load. - JXB Performance - Audi

This combo all but eliminates shifter slop and flex under load.

Brand:
JXB Performance - Corporate Logo
ES#:
4419866
Mfg#:
B8029A1
In Stock at Vendor
$424.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Axle Delete Plug Set - Audi B5/B6/B7 - M16 Thread

ES#4375715 - 012417LA01 - Front Axle Delete Plug Set - Audi B5/B6/B7 - M16 Thread - Easily allows the removal of front axles when converting your B5/B6/B7 to RWD (rear wheel drive) from Quattro - ECS - Audi

Easily allows the removal of front axles when converting your B5/B6/B7 to RWD (rear wheel drive) from Quattro 10X Entries Into Our F80 M3 Sweepstakes
From VIN 8D-1-050001, split is in the 2001 model year

Brand:
ECS - Corporate Logo
ES#:
4375715
Mfg#:
012417LA01
In Stock
ON SALE! SAVE 25%
$133.99

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

$100.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Supercharger Pulley Installation Kit

ES#3477712 - IEBAVJ4 - Supercharger Pulley Installation Kit - Ease the 3.0T supercharger pulley removal/installation process with this install kit - Integrated Engineering - Audi Volkswagen Porsche

Ease the 3.0T supercharger pulley removal/installation process with this install kit

Brand:
Integrated Engineering - Corporate Logo
ES#:
3477712
Mfg#:
IEBAVJ4
In Stock
$233.99 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 Your Privacy Choices Cookie Policy ECS Tuning is part of Enthusiast Auto Holdings