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Audi A4 Performance Engine & Drivetrain Parts

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Stage 2 Endurance Clutch Kit

ES#3477644 - k70205hdosmfKT1 - Stage 2 Endurance Clutch Kit - Designed for track use while still streetable. Conservatively rated at 325ft/lbs. - South Bend Clutch - Audi Volkswagen

Designed for track use while still streetable. Conservatively rated at 325ft/lbs. For use with single mass flywheel

Brand:
South Bend Clutch - Corporate Logo
ES#:
3477644
Mfg#:
K70205HDOSMFKT1
Ships in 1 Business Day
$618.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Stage 2 Drag Clutch Kit

ES#4500184 - K70205HDDXDBDMF - Stage 2 Drag Clutch Kit - Designed for drag or drift cars that see limited street use. Conservatively rated at 365ft/lbs. - South Bend Clutch - Audi Volkswagen

Designed for drag or drift cars that see limited street use. Conservatively rated at 365ft/lbs. Works with stock dual mass flywheel

Brand:
South Bend Clutch - Corporate Logo
ES#:
4500184
Mfg#:
K70205HDDXDBDMF
Ships in 1 Business Day
$618.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankshaft Girdle Kit

ES#2794148 - IEBEVA9 - Crankshaft Girdle Kit - Keep your engine block from flexing under torque - Integrated Engineering - Audi Volkswagen

Keep your engine block from flexing under torque 5X Entries For Our 25th Anniversary Sweepstakes!

Fits AWM engine code only

Brand:
Integrated Engineering - Corporate Logo
ES#:
2794148
Mfg#:
IEBEVA9
Back Ordered
$617.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

CTS Street Sport Engine Mount - Priced Each

ES#4070112 - CTS-EM-B567-50D - CTS Street Sport Engine Mount - Priced Each - 50 Durometer rubber construction - CTS - Audi

50 Durometer rubber construction

Brand:
CTS - Corporate Logo
ES#:
4070112
Mfg#:
CTS-EM-B567-50D
Ships in 7 Business Days
ON SALE! SAVE 20%
$94.99

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

$75.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Stage 1 Performance Chip - 1 Program

ES#5235 - 20TSTG1CHIP-1 - Stage 1 Performance Chip - 1 Program - Average gain of 40 HP & 75 LB-FT torque on 93 octane program! - APR - Audi

Average gain of 40 HP & 75 LB-FT torque on 93 octane program! Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes!
This upgrade can be performed via our Chip & Ship method or the vehicle can be brought to ECS Tuning's fa
Ship your ECU for free, or drive your vehicle to our location

Brand:
APR - Corporate Logo
ES#:
5235
Mfg#:
20TSTG1CHIP-1
In Stock
$599.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

K04 Performance Software (New APR Customers) - 1 Program

Required software to properly upgrade to a K04 turbocharger 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.
This upgrade can only be performed with the car present at our facility.

Brand:
APR - Corporate Logo
ES#:
2918065
Mfg#:
DPP20TK04PS
In Stock
$599.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Front Mount Intercooler Kit - For K04

ES#2770215 - CTSB6FMICKIT - Front Mount Intercooler Kit - For K04 - Decrease heatsoak with this front mount intercooler - CTS - Audi

Decrease heatsoak with this front mount intercooler

Brand:
CTS - Corporate Logo
ES#:
2770215
Mfg#:
CTSB6FMICKIT
Ships in 7 Business Days
ON SALE! SAVE 20%
$749.99

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

$599.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Blow Off Valve Kit

ES#3660019 - CTS-BV-0009-B9 - Blow Off Valve Kit - Fully serviceable, piston design valve is a direct bolt-on, without worry of a check engine light - CTS - Audi

Fully serviceable, piston design valve is a direct bolt-on, without worry of a check engine light

Brand:
CTS - Corporate Logo
ES#:
3660019
Mfg#:
CTS-BV-0009-B9
Ships in 7 Business Days
ON SALE! SAVE 20%
$249.99

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

$199.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

RaceChip XLR Throttle Controller With App Control

ES#4708646 - 999871 - RaceChip XLR Throttle Controller With App Control - Eliminate the delay in throttle response times with a simple XLR addition! Allows for Bluetooth connectivity for easy App based control. - Race Chip - Audi

Eliminate the delay in throttle response times with a simple XLR addition! Allows for Bluetooth connectivity for easy App based control.

Brand:
Race Chip - Corporate Logo
ES#:
4708646
Mfg#:
999871
Ships in 3 Business Days
$299.00 USD
Free Shipping
on orders $49 and up

Chrome-Moly Forged Lightweight Flywheel

ES#4046131 - SMFL-B7A420-KIT - Chrome-Moly Forged Lightweight Flywheel - 8lbs lights than the OEM flywheel! - JH Motorsports - Audi

8lbs lights than the OEM flywheel! To be used with B7 RS4 clutch kits only

Brand:
JH Motorsports - Corporate Logo
ES#:
4046131
Mfg#:
SMFL-B7A420-KIT
Ships in 10 Business Days
$579.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

B6 A4 1.8T Performance Baffled Oil Catch Can System - 8 oz.

ES#4906657 - 053538LA04KT - B6 A4 1.8T Performance Baffled Oil Catch Can System - 8 oz. - Keep your intake tract clean and oil free! Featuring a four-chamber baffled catch can, durable silicone hoses, and a plug & play bracket for seamless integration. - ECS - Audi

Keep your intake tract clean and oil free! Featuring a four-chamber baffled catch can, durable silicone hoses, and a plug & play bracket for seamless integration. 10X Entries For Our 25th Anniversary Sweepstakes!
From VIN 8E-3-500001, split is in the 2003 model year.

Brand:
ECS - Corporate Logo
ES#:
4906657
Mfg#:
053538LA04KT
In Stock
ON SALE! SAVE 15%
$676.99

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

$575.44 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Injector Connector Adapter - Priced Each

ES#4013558 - 034-702-0022 - Injector Connector Adapter - Priced Each - Injector connector adapter for installing EV14 USCAR style injectors in harness applications originally intended for Bosch Jetronic/Motronic style connectors - Bosch - Audi

Injector connector adapter for installing EV14 USCAR style injectors in harness applications originally intended for Bosch Jetronic/Motronic style connectors 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
4013558
Mfg#:
034-702-0022
Back Ordered
Auto Notify
$18.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Harmonic Damper Crankshaft Pulley

ES#3557367 - 551201_AEB - Harmonic Damper Crankshaft Pulley - Provides broad range control of destructive crankshaft torsional vibration for optimum horsepower and durability - Fluidampr - Audi Volkswagen

Provides broad range control of destructive crankshaft torsional vibration for optimum horsepower and durability This is a custom product and requires 2-3 week lead time to manufacture due to the zinc plating process.
Engine codes AEB & ATW

Brand:
Fluidampr - Corporate Logo
ES#:
3557367
Mfg#:
551201_AEB
Back Ordered
Auto Notify
$569.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

2.0T Coil Pack Conversion Kit - Stage 1

ES#2713391 - 002598ECS01KT - 2.0T Coil Pack Conversion Kit - Stage 1 - Includes wrinkle black conversion plate -w- red 2.0T coils - ECS - Audi Volkswagen

Includes wrinkle black conversion plate -w- red 2.0T coils 10X Entries For Our 25th Anniversary Sweepstakes!

Fits ATW & AWM engine code models only

Brand:
ECS - Corporate Logo
ES#:
2713391
Mfg#:
002598ECS01KT
In Stock
ON SALE!
$292.99

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

$284.20 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

B8 Audi A4/A5 2.0T Gen 2 Dynamic+ Performance Software Package

ES#4428701 - 034-103-278 - B8 Audi A4/A5 2.0T Gen 2 Dynamic+ Performance Software Package - Unleash up to 301HP/361TQ by transforming your Audi EA888.2 2.0T with Dynamic+ Tuning - delivering ultimate power, drivability, reliability, and enhanced features! - 034Motorsport - Audi

Unleash up to 301HP/361TQ by transforming your Audi EA888.2 2.0T with Dynamic+ Tuning - delivering ultimate power, drivability, reliability, and enhanced features! For Pre-facelift models with EA888 Gen 2 2.0T.

Brand:
034Motorsport - Corporate Logo
ES#:
4428701
Mfg#:
034-103-278
Ships in 1 Business Day
Starting at $180.00 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial 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

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