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Audi S4 Performance Engine & Drivetrain Parts

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Supertech Valve Spring Shim - Priced Each

ID:.515" / OD:0.796" / 0.015" thick

Brand:
Supertech - Corporate Logo
ES#:
4735967
Mfg#:
SS-3004
Ships in 9 Business Days
$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Alternator Pulley Hardware Kit

ES#2855340 - 028903320CKT - Alternator Pulley Hardware Kit - A new washer and nut to install your pulley - Assembled By ECS - Audi Volkswagen

A new washer and nut to install your pulley 10X Entries Into Our F80 M3 Sweepstakes
For use with Bosch style alternators

Brand:
Assembled By ECS - Corporate Logo
ES#:
2855340
Mfg#:
028903320CKT
Ships in 1-2 days
ON SALE! SAVE 25%
$13.99

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

$10.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Blow Off Valve - Atmospheric Service Kit

ES#3241238 - FMDVSK-WO34 - Blow Off Valve - Atmospheric Service Kit - Full replacement kit for es1832445 - Forge - Audi Volkswagen

Full replacement kit for es1832445

Brand:
Forge - Corporate Logo
ES#:
3241238
Mfg#:
FMDVSK-WO34
Ships in 6 Business Days
$17.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

B6/B7 S4 Stage 2 Performance Clutch Kit

ES#5492642 - 051558la04aKT - B6/B7 S4 Stage 2 Performance Clutch Kit - Designed to hold up to 445 ft/lbs of torque to the wheels with a sprung organic disc - ECS - Audi

Designed to hold up to 445 ft/lbs of torque to the wheels with a sprung organic disc 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
5492642
Mfg#:
051558LA04AKT
In Stock
$794.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

B5 S4 Valved Cat Back Exhaust & Street Shield Aluminum Skid Plate Kit

ES#4751086 - 041750LA01EBKT - B5 S4 Valved Cat Back Exhaust & Street Shield Aluminum Skid Plate Kit - Enhance the sound of your vehicle and keep it safe with a Street Shield Aluminum Skid Plate Kit - Enthusiast Bundles - Audi

Enhance the sound of your vehicle and keep it safe with a Street Shield Aluminum Skid Plate Kit Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One!

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4751086
Mfg#:
041750LA01EBKT
In Stock
ON SALE! SAVE 13%
$1675.99

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

$1449.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
Scratch and Dent Item

Unitronic Intercooler Upgrade 3.0TFSI B9 S4/S5 *Scratch And Dent*

ES#5482300 - UH017-ICA - Unitronic Intercooler Upgrade 3.0TFSI B9 S4/S5 *Scratch And Dent* - Scratch & Dent - Audi

ALL SALES FINAL. ITEMS MAY BE DAMAGED OR MISSING COMPONENTS. PLEASE SEE IMAGES BEFORE PURCHASING. Want To Haggle? Give Us A Call Or Chat To Make An Offer On This Product!

Brand:
Scratch & Dent - Corporate Logo
ES#:
5482300
Mfg#:
UH017-ICA
In Stock
Limited Qty Sale
$199.99 USD
Scratch and Dent Item

P34 SuperDuper Insuction Bundle *Scratch And Dent*

ES#5374723 - 034-108-5048 - P34 SuperDuper Insuction Bundle *Scratch And Dent* - 034Motorsport's P34 Cold Air Intake System delivers improved power, sound, and acceleration - Scratch & Dent - Audi

034Motorsport's P34 Cold Air Intake System delivers improved power, sound, and acceleration ALL SALES FINAL. ITEMS MAY BE DAMAGED OR MISSING COMPONENTS. PLEASE SEE IMAGES BEFORE PURCHASING. Want To Haggle? Give Us A Call Or Chat To Make An Offer On This Product!

Brand:
Scratch & Dent - Corporate Logo
ES#:
5374723
Mfg#:
034-108-5048
In Stock
ON SALE! SAVE 37%
$681.00

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

$429.40 USD
Scratch and Dent Item

Motorsport StreetSport Engine Mounts - Pair *Scratch And Dent*

ES#5512824 - 034-509-0089SD - Motorsport StreetSport Engine Mounts - Pair *Scratch And Dent* - Scratch & Dent - Audi

ALL SALES FINAL. ITEMS MAY BE DAMAGED OR MISSING COMPONENTS. PLEASE SEE IMAGES BEFORE PURCHASING. Want To Haggle? Give Us A Call Or Chat To Make An Offer On This Product!

Brand:
Scratch & Dent - Corporate Logo
ES#:
5512824
Mfg#:
034-509-0089SD
In Stock
Limited Qty Sale
$142.99 USD
Free Shipping
on orders $49 and up
Scratch and Dent Item

Hi-Volume Fuel Pump Upgrade Kit *Scratch And Dent*

ES#5492780 - 10-127101K - Hi-Volume Fuel Pump Upgrade Kit *Scratch And Dent* - Scratch & Dent - Audi Volkswagen

ALL SALES FINAL. ITEMS MAY BE DAMAGED OR MISSING COMPONENTS. PLEASE SEE IMAGES BEFORE PURCHASING. Want To Haggle? Give Us A Call Or Chat To Make An Offer On This Product!

Brand:
Scratch & Dent - Corporate Logo
ES#:
5492780
Mfg#:
10-127101K
In Stock
Limited Qty Sale
$81.99 USD
Free Shipping
on orders $49 and up
Scratch and Dent Item

Lightweight Flywheel, 112621 *Scratch And Dent*

ES#5506816 - B5S4FLWFSD4 - Lightweight Flywheel, 112621 *Scratch And Dent* - Scratch & Dent - Audi

ALL SALES FINAL. ITEMS MAY BE DAMAGED OR MISSING COMPONENTS. PLEASE SEE IMAGES BEFORE PURCHASING. Want To Haggle? Give Us A Call Or Chat To Make An Offer On This Product!

Brand:
Scratch & Dent - Corporate Logo
ES#:
5506816
Mfg#:
B5S4FLWFSD4
In Stock
Limited Qty Sale
$143.99 USD
Free Shipping
on orders $49 and up

Unitronic Performance Software - Stage 1

ES#4376317 - 30T-EA839-1 - Unitronic Performance Software - Stage 1 - Gain up to 69 horsepower and 97 lb-ft of torque on 91 Octane - Unitronic - Audi

Gain up to 69 horsepower and 97 lb-ft of torque on 91 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#:
4376317
Mfg#:
30T-EA839-1
In Stock
$850.00 USD
This product is lifetime replacement eligible Lifetime Replacement

Unitronic Performance Software - Flashed @ ECS

ES#4381904 - 30TFSI-D - Unitronic Performance Software - Flashed @ ECS - Choose the stage that meets your power goals! - Unitronic - Audi

Choose the stage that meets your power goals! 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#:
4381904
Mfg#:
30TFSI-D
In Stock
Starting at $700.00 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Unitronic DSG Performance Software - Flashed @ ECS

ES#4389400 - 30TFSI-DSG - Unitronic DSG Performance Software - Flashed @ ECS - Choose the stage that meets your power goals! - Unitronic - Audi

Choose the stage that meets your power goals! 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#:
4389400
Mfg#:
30TFSI-DSG
In Stock
Starting at $700.00 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

APR Plus ECU Upgrade With An APR Plus Limited Powertrain Warranty

More Power. More Fun. Plus, a Limited Powertrain Warranty Call In Or Chat For Best Price!
This upgrade requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the ne

Brand:
APR - Corporate Logo
ES#:
4057385
Mfg#:
DPP30TMG1APRPLUS
In Stock
$1799.00 USD
This product is lifetime replacement eligible Lifetime Replacement

Fuel Rail With AAN Brackets

ES#4858190 - 034-106-7026 - Fuel Rail With AAN Brackets - CNC Machined to accept standard EFI type injector O-rings - 034Motorsport - Audi

CNC Machined to accept standard EFI type injector O-rings 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4858190
Mfg#:
034-106-7026
Ships in 3 Business Days
$222.00 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.

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