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Audi A4 Performance Engine & Drivetrain Parts

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Front Limited Slip Differential

ES#2836967 - 18309170WK - Front Limited Slip Differential - Put all your power to the ground! - Wavetrac - Audi

Put all your power to the ground! For models with 01E 6-Speed manual transmission only

Brand:
Wavetrac - Corporate Logo
ES#:
2836967
Mfg#:
18309170WK
Ships in 2 Business Days
$1515.99 USD
Free Shipping

Silicone Intake Tract Set

ES#3149380 - 018325ecs01KT - Silicone Intake Tract Set - Includes oversized silicone pipes from the turbo inlet to the throttle body - ECS - Audi

Includes oversized silicone pipes from the turbo inlet to the throttle body 10X Entries Into Our F80 M3 Sweepstakes
For use with the OEM intercooler

Brand:
ECS - Corporate Logo
ES#:
3149380
Mfg#:
018325ECS01KT
In Stock
ON SALE! SAVE 15%
$322.99

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

$274.54 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

TTE440L Turbo Upgrade - B9 A4/A5 2.0T

ES#4642790 - TTE10029 - TTE440L Turbo Upgrade - B9 A4/A5 2.0T - Designed to put out over 370HP! - The Turbo Engineers - Audi

Designed to put out over 370HP! Custom tuning software required for installation.

Brand:
The Turbo Engineers - Corporate Logo
ES#:
4642790
Mfg#:
TTE10029
In Stock
$2999.99 USD
This product is lifetime replacement eligible Lifetime Replacement

APR Front Mount Intercooler System

ES#3184709 - IC100022 - APR Front Mount Intercooler System - Dramatically reduces intake air temperature (IAT), minimizes heat soak, and provides increased performance! - APR - Audi

Dramatically reduces intake air temperature (IAT), minimizes heat soak, and provides increased performance! Call In Or Chat For Best Price!

Brand:
APR - Corporate Logo
ES#:
3184709
Mfg#:
IC100022
Ships in 5 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.

$1687.99

This product was last offered at the strikethrough price on
09-16-2026

$1499.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Tuscan I-Beam connecting rods

ES#2794739 - IERTVA1 - Tuscan I-Beam connecting rods - Set of 4, Rifle drilled - Integrated Engineering - Audi Volkswagen

Set of 4, Rifle drilled Buy Integrated Engineering Software from 9/3/26 - 9/30/26 for a chance to win your Software for FREE!

Engine code AWM require aftermarket pistons, Drop in for AEB & ATW engine code

Brand:
Integrated Engineering - Corporate Logo
ES#:
2794739
Mfg#:
IERTVA1
In Stock
$749.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Diverter Valve Kit

ES#2862878 - CTSDV00023 - Diverter Valve Kit - Direct bolt on without worry of a check-engine light - CTS - Audi Volkswagen

Direct bolt on without worry of a check-engine light

Brand:
CTS - Corporate Logo
ES#:
2862878
Mfg#:
CTSDV00023
Ships in 7 Business Days
$249.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Wavetrac Rear Differential

ES#4266266 - 18-309-180WK - Wavetrac Rear Differential - Upgrade your vehicles differential! - Wavetrac - Audi

Upgrade your vehicles differential!

Brand:
Wavetrac - Corporate Logo
ES#:
4266266
Mfg#:
18-309-180WK
Ships on Oct 9, 2026
$1495.00 USD
Free Shipping
on orders $49 and up

Unitronic Carbon Fiber Intake System 2.0TSI B9 A4/A5

ES#4362349 - UH016-INA - Unitronic Carbon Fiber Intake System 2.0TSI B9 A4/A5 - Engineered for seamless integration within the engine bay and improves the performance, look and sound of your vehicle. - Unitronic - Audi

Engineered for seamless integration within the engine bay and improves the performance, look and sound of your vehicle.

Brand:
Unitronic - Corporate Logo
ES#:
4362349
Mfg#:
UH016-INA
Ships in 5 Business Days
$1469.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

CTS Turbo B8/B8.5 2.0T BOSS 600 Turbo Kit

ES#4017688 - CTS-B8A4-BOSS600 - CTS Turbo B8/B8.5 2.0T BOSS 600 Turbo Kit - A big turbo kit that is truly bolt-on! - This kit replaces the factory turbo and is made to work with most of your installed parts - CTS - Audi

A big turbo kit that is truly bolt-on! - This kit replaces the factory turbo and is made to work with most of your installed parts *Does not include fueling, charge pipe setup, or tuning - Proper software is required*

Brand:
CTS - Corporate Logo
ES#:
4017688
Mfg#:
CTS-B8A4-BOSS600
Ships in 7 Business Days
$2899.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Motorsport Street Density Motor Mount Kit

ES#2864596 - 034-509-0005 - Motorsport Street Density Motor Mount Kit - The ultimate in performance and durability - 034Motorsport - Audi Volkswagen

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

Brand:
034Motorsport - Corporate Logo
ES#:
2864596
Mfg#:
034-509-0005
In Stock
$359.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

performance Lightweight Flywheel Kit - Stage 2 Endurance

ES#2807488 - 003485ECS01AKT6 - performance Lightweight Flywheel Kit - Stage 2 Endurance - ECS Lightweight Flywheel with a Southbend Stage 2 clutch kit rated at 440ft/lbs - ECS - Audi

ECS Lightweight Flywheel with a Southbend Stage 2 clutch kit rated at 440ft/lbs 10X Entries Into Our F80 M3 Sweepstakes

Up to VIN 8K-9-066499, split is in the 2009 model year

Brand:
ECS - Corporate Logo
ES#:
2807488
Mfg#:
003485ECS01AKT6
Ships on Nov 13, 2026
ON SALE! SAVE 10%
$3168.99

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

$2852.09 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

2.0T Coil Pack Conversion Kit - Stage 1

ES#2713399 - 002598ECS09KT - 2.0T Coil Pack Conversion Kit - Stage 1 - Includes anodized black conversion plate -w- red 2.0T coils - ECS - Audi Volkswagen

Includes anodized black conversion plate -w- red 2.0T coils 10X Entries Into Our F80 M3 Sweepstakes

Fits ATW & AWM engine code models only

Brand:
ECS - Corporate Logo
ES#:
2713399
Mfg#:
002598ECS09KT
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

034 Street Density Transmission Mount & Billet Aluminum Transmission Mount Insert

ES#5492061 - 034-509-4053KT - 034 Street Density Transmission Mount & Billet Aluminum Transmission Mount Insert - Improve the performance of the factory transmission mount and the billet aluminum insert is designed to fill the large void in the factory transmission mount - 034Motorsport - Audi

Improve the performance of the factory transmission mount and the billet aluminum insert is designed to fill the large void in the factory transmission mount 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
5492061
Mfg#:
034-509-4053KT
In Stock
$135.00 USD
Free Shipping
on orders $49 and up
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

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