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Audi A3 Performance Engine & Drivetrain Parts

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1.8T/2.0T Gen3 Diverter Valve Upgrade - Black

ES#4839642 - 013907LA01-03KT - 1.8T/2.0T Gen3 Diverter Valve Upgrade - Black - The LAST diverter valve you'll ever need! Billet aluminum construction and heavy-duty Viton o-rings make for the ultimate upgrade in longevity and performance. - ECS - Audi Volkswagen Porsche

The LAST diverter valve you'll ever need! Billet aluminum construction and heavy-duty Viton o-rings make for the ultimate upgrade in longevity and performance. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4839642
Mfg#:
013907LA01-03KT
In Stock
ON SALE! SAVE 25%
$333.99

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

$250.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

APR High Pressure Fuel Pump

ES#11994 - MS100016 - APR High Pressure Fuel Pump - Requires APR engine management software to allow for the increased flow of the APR pump. - APR - Audi Volkswagen

Requires APR engine management software to allow for the increased flow of the APR pump. Call In Or Chat For Best Price!

For vehicles with FSI engines only

Brand:
APR - Corporate Logo
ES#:
11994
Mfg#:
MS100016
Back Ordered
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
11-03-2026

$1499.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BFI V2 Stage 1 Engine Mount

ES#4138971 - EBFI77M5401 - BFI V2 Stage 1 Engine Mount - Keep your engine planted and transfer as much power to the ground as possible - Black Forest Industries - Audi Volkswagen

Keep your engine planted and transfer as much power to the ground as possible

Brand:
Black Forest Industries - Corporate Logo
ES#:
4138971
Mfg#:
EBFI77M5401
Ships on Dec 10, 2026
$299.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Limited Slip Differential

ES#2836978 - 10309185WK - Front Limited Slip Differential - Put all your power to the ground! - Wavetrac - Audi

Put all your power to the ground! Fits DSG transmission models with 20 tooth parking brake ring

Brand:
Wavetrac - Corporate Logo
ES#:
2836978
Mfg#:
10309185WK
Ships in 2 Business Days
$1495.00 USD
Free Shipping

3" Dry Air Filter Element

ES#4362295 - UH004-IN4 - 3" Dry Air Filter Element - Fits all Unitronic Cold Air Intake Systems designed for the MQB platform. - Unitronic - Audi Volkswagen

Fits all Unitronic Cold Air Intake Systems designed for the MQB platform.

Brand:
Unitronic - Corporate Logo
ES#:
4362295
Mfg#:
UH004-IN4
In Stock
$54.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

StreetSport Engine/Transmission Mount Retrofit Kit

ES#4039602 - 034-509-Z016 - StreetSport Engine/Transmission Mount Retrofit Kit - Designed to convert your existing TrackSport Motor Mounts into StreetSport Motor Mounts - will introduce less NVH than TrackSport mounts due to the lower-durometer rubber used - 034Motorsport - Audi Volkswagen

Designed to convert your existing TrackSport Motor Mounts into StreetSport Motor Mounts - will introduce less NVH than TrackSport mounts due to the lower-durometer rubber used 2X Entries Into Our F80 M3 Sweepstakes
For customers with existing TrackSport mounts, that would like to make them a little bit more street friendly

Brand:
034Motorsport - Corporate Logo
ES#:
4039602
Mfg#:
034-509-Z016
Ships in 2 Business Days
$370.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Typhoon Intake - Flat Black

ES#1892113 - 69-9756TFK - Typhoon Intake - Flat Black - Free up the air flow in your vehicle with a new cold air intake - K&N - Audi Volkswagen

Free up the air flow in your vehicle with a new cold air intake

Brand:
K&N - Corporate Logo
ES#:
1892113
Mfg#:
69-9756TFK
Ships in 3 Business Days
$367.99 USD
Free Shipping

Billet Dogbone Mount Insert - Version 1 (7-Speed DSG - DQ381)

ES#4819063 - 034-509-6006 - Billet Dogbone Mount Insert - Version 1 (7-Speed DSG - DQ381) - Experience crisper shifts and a smoother driving experience. - 034Motorsport - Audi Volkswagen

Experience crisper shifts and a smoother driving experience. 2X Entries Into Our F80 M3 Sweepstakes
For vehicles with 7-Speed DSG (DQ381) transmission only

Brand:
034Motorsport - Corporate Logo
ES#:
4819063
Mfg#:
034-509-6006
In Stock
$98.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Stage 1+ Redline Carbon Fiber Power Package

ES#4416566 - VLK002011P-RED - Stage 1+ Redline Carbon Fiber Power Package - Flash your ECU and unleash the power your vehicle was meant to have. - CobbTuning - Audi Volkswagen

Flash your ECU and unleash the power your vehicle was meant to have.

Brand:
CobbTuning - Corporate Logo
ES#:
4416566
Mfg#:
VLK002011P-RED
Ships in 2 Business Days
$1460.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Shuenk Transverse K04+ Turbo Upgrade

ES#4659696 - T-K04+-FSI - Shuenk Transverse K04+ Turbo Upgrade - A ready-to-install turbocharger with performance and reliability enhancing upgrades - Shuenk - Audi Volkswagen

A ready-to-install turbocharger with performance and reliability enhancing upgrades For vehicles with FSI engines only

Brand:
Shuenk - Corporate Logo
ES#:
4659696
Mfg#:
T-K04+-FSI
Ships in 2 Business Days
$1449.00 USD
This product is lifetime replacement eligible Lifetime Replacement

Shuenk Transverse K04+ Turbo Upgrade

ES#4659701 - T-K04+-TSI - Shuenk Transverse K04+ Turbo Upgrade - A ready-to-install turbocharger with performance and reliability enhancing upgrades - Shuenk - Audi Volkswagen

A ready-to-install turbocharger with performance and reliability enhancing upgrades

Brand:
Shuenk - Corporate Logo
ES#:
4659701
Mfg#:
T-K04+-TSI
Ships in 2 Business Days
$1449.00 USD
This product is lifetime replacement eligible Lifetime Replacement

Silicone Throttle Body Inlet Hose - Black

ES#3177634 - 019397ECS01A01 - Silicone Throttle Body Inlet Hose - Black - Improve airflow with our smooth, high flowing silicone throttle body inlet coupler - ECS - Audi Volkswagen

Improve airflow with our smooth, high flowing silicone throttle body inlet coupler 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3177634
Mfg#:
019397ECS01A01
In Stock
ON SALE!
$65.79 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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Manufacturer names and/or part numbers are used only for identification purposes.

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