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Audi A3 Performance Engine & Drivetrain Parts

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K04 Performance Software (Existing APR Customers) - 1 Program (Or Fully Loaded If Already Equipped)

ES#3509816 - PA100008 - K04 Performance Software (Existing APR Customers) - 1 Program (Or Fully Loaded If Already Equipped) - For customers that already have APR software on their car and are upgrading to a K04 - APR - Audi Volkswagen

For customers that already have APR software on their car and are upgrading to a K04 Call In Or Chat For Best Price!
This upgrade can be performed via our Chip & Ship method or the vehicle can be brought to ECS Tuning's fa
For vehicles with FSI engines only. Ship your ECU for free, or drive your vehicle to our location

Brand:
APR - Corporate Logo
ES#:
3509816
Mfg#:
PA100008
In Stock
$249.99 USD
This product is lifetime replacement eligible Lifetime Replacement

VR6 Connecting Rod Bearing Set

ES#3247415 - HVA-510 - VR6 Connecting Rod Bearing Set - Increase bottom-end reliability when adding horsepower - HPA Motorsports - Audi Volkswagen

Increase bottom-end reliability when adding horsepower

Brand:
HPA Motorsports - Corporate Logo
ES#:
3247415
Mfg#:
HVA-510
Ships on Oct 9, 2026
$749.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

European S3 Intercooler

ES#3492184 - 1K0145803P - European S3 Intercooler - All aluminum intercooler kit from the Audi S3 model - Improve your intercooler efficiency approx 30% - Nissens - Audi Volkswagen

All aluminum intercooler kit from the Audi S3 model - Improve your intercooler efficiency approx 30% We Price Match - Give Us A Call or Chat!
This intercooler can be installed with trimming your stock boost hose ends

Brand:
Nissens - Corporate Logo
ES#:
3492184
Mfg#:
1K0145803P
Ships in 6 Business Days
$745.99 USD
This product is lifetime replacement eligible Lifetime Replacement

MQB Complete Mount Kit with Install Tool

ES#4500030 - RV581M500103 - MQB Complete Mount Kit with Install Tool - Designed to be the optimal balance between performance and comfort. - REVO - Audi Volkswagen

Designed to be the optimal balance between performance and comfort.

Brand:
REVO - Corporate Logo
ES#:
4500030
Mfg#:
RV581M500103
Back Ordered
$729.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

VWR R600 Pleated Cotton Replacement Filter Element

ES#4630027 - VWR12G7R603FO - VWR R600 Pleated Cotton Replacement Filter Element - A robust 'fit and forget' filter that will last for years - Racingline - Audi Volkswagen

A robust 'fit and forget' filter that will last for years

Brand:
Racingline - Corporate Logo
ES#:
4630027
Mfg#:
VWR12G7R603FO
Ships in 5 Business Days
$242.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Dogbone Mount Insert - Stage 1 (Pre 9/15 Cars)

ES#4159759 - EBFI78-Q7-011 - Dogbone Mount Insert - Stage 1 (Pre 9/15 Cars) - Feel a more crisp and defined throttle response and shift - Black Forest Industries - Audi Volkswagen

Feel a more crisp and defined throttle response and shift

Brand:
Black Forest Industries - Corporate Logo
ES#:
4159759
Mfg#:
EBFI78-Q7-011
In Stock
$54.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Unitronic DSG Performance Software - Stage 2

ES#4365423 - TSI-MQB-DSG-2 - Unitronic DSG Performance Software - Stage 2 - Optimized responsiveness and smoothness, increased rev limiter, launch control at 4000 RPM, kick-downs removed in manual mode, and more! - Unitronic - Audi Volkswagen

Optimized responsiveness and smoothness, increased rev limiter, launch control at 4000 RPM, kick-downs removed in manual mode, and more! 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#:
4365423
Mfg#:
TSI-MQB-DSG-2
In Stock
$700.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Unitronic Performance Software - Stage 1+

ES#4368654 - 18TSI-IS12-1+ - Unitronic Performance Software - Stage 1+ - Gain up to 84 horsepower and 108 lb-ft of torque on 93 Octane - Unitronic - Audi Volkswagen

Gain up to 84 horsepower and 108 lb-ft of torque on 93 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#:
4368654
Mfg#:
18TSI-IS12-1+
In Stock
$700.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

K04 Performance Software (New APR Customers) - With Program Switching (Fully Loaded)

ES#3659524 - dpp20tk04psKT - K04 Performance Software (New APR Customers) - With Program Switching (Fully Loaded) - Required software to properly upgrade to a K04 turbocharger - APR - Audi Volkswagen

Required software to properly upgrade to a K04 turbocharger Call In Or Chat For Best Price!
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#:
3659524
Mfg#:
DPP20TK04PSKT
In Stock
$699.90 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Eurodyne Reflash - With Powertap Air Flash Tool

ES#3147672 - ed-2.0-fsi-KT - Eurodyne Reflash - With Powertap Air Flash Tool - Tune your car with just your laptop and choose gains ranging from 58-88 hp and 88-138 ft-lb of torque - Eurodyne - Audi Volkswagen

Tune your car with just your laptop and choose gains ranging from 58-88 hp and 88-138 ft-lb of torque For vehicles with FSI engine only

Brand:
Eurodyne - Corporate Logo
ES#:
3147672
Mfg#:
ED-2.0-FSI-KT
In Stock
$699.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Eurodyne Reflash - With Powertap Air Flash Tool

ES#3107893 - ed-gti-a3-KT - Eurodyne Reflash - With Powertap Air Flash Tool - Tune your car with just your laptop and choose gains ranging from 45-99 hp and 50-118 ft-lb of torque - Eurodyne - Audi Volkswagen

Tune your car with just your laptop and choose gains ranging from 45-99 hp and 50-118 ft-lb of torque

Brand:
Eurodyne - Corporate Logo
ES#:
3107893
Mfg#:
ED-GTI-A3-KT
In Stock
$699.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet Aluminum MQB Upper Dogbone Mount Insert

ES#3624070 - 034-509-1035 - Billet Aluminum MQB Upper Dogbone Mount Insert - Required for any MQB platform make/model using an aftermarket dogbone mount and dogbone mount lower insert - 034Motorsport - Audi Volkswagen

Required for any MQB platform make/model using an aftermarket dogbone mount and dogbone mount lower insert 2X Entries Into Our F80 M3 Sweepstakes
*To be used with every Spherical MQB 034 Dogbone Mount - For new 034 Dogbone mount purchases, this is now included*

Brand:
034Motorsport - Corporate Logo
ES#:
3624070
Mfg#:
034-509-1035
In Stock
$46.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Silicone Intercooler Hose Set for 1.8/2.0TSI MQB

ES#4362340 - UH013-ICA - Silicone Intercooler Hose Set for 1.8/2.0TSI MQB - Direct OEM replacement silicone hose kit for the intercooler inlet and outlet hoses found on the 1.8/2.0 TSI MQB engines. - Unitronic - Audi Volkswagen

Direct OEM replacement silicone hose kit for the intercooler inlet and outlet hoses found on the 1.8/2.0 TSI MQB engines.

Brand:
Unitronic - Corporate Logo
ES#:
4362340
Mfg#:
UH013-ICA
In Stock
$114.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Diverter Valve Block Off Plate

ES#2992471 - CTSHW049 - Diverter Valve Block Off Plate - Commonly used for running aftermarket diverter and blow off valves - CTS - Audi Volkswagen

Commonly used for running aftermarket diverter and blow off valves

Brand:
CTS - Corporate Logo
ES#:
2992471
Mfg#:
CTSHW049
Ships on Nov 2, 2026
$29.99 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

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Manufacturer names and/or part numbers are used only for identification purposes.

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