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Audi A3 Performance Engine & Drivetrain Parts

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Rear Differential Mount Insert Kit (3 Inserts) - Front and Rear Positions

ES#3221076 - 019797ecs01KT - Rear Differential Mount Insert Kit (3 Inserts) - Front and Rear Positions - Launch harder and improve your 0-60 times with our Rear Diff. Mount Insert Kit - ECS - Audi Volkswagen

Launch harder and improve your 0-60 times with our Rear Diff. Mount Insert Kit 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3221076
Mfg#:
019797ECS01KT
In Stock
ON SALE! SAVE 25%
$191.97

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

$143.98 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ultimate IS38 Upgrade Package

ES#3177649 - 022251ECS01 - Ultimate IS38 Upgrade Package - A comprehensive, bolt-on package featuring our pre-installed ECS Turbo Blanket and Turbo Muffler Delete Pipe - Assembled By ECS - Audi Volkswagen

A comprehensive, bolt-on package featuring our pre-installed ECS Turbo Blanket and Turbo Muffler Delete Pipe 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3177649
Mfg#:
022251ECS01
In Stock
$1468.99 USD
Free Shipping
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 3 Business Days
$1449.00 USD
This product is lifetime replacement eligible Lifetime Replacement

EA888 Gen3 Port Injection Kit - Without Fuel Pump Kit

ES#3612248 - CTS-FPK-005 - EA888 Gen3 Port Injection Kit - Without Fuel Pump Kit - This is the complete port injection (MPI) fueling kit for MQB vehicles - Get the most out of your big-turbo MQB setup! (With 980cc injectors) - CTS - Audi Volkswagen

This is the complete port injection (MPI) fueling kit for MQB vehicles - Get the most out of your big-turbo MQB setup! (With 980cc injectors) *Does not include fuel pump kit, this can be had by purchasing CTS-FPK-004* - *MPI-specific software tuni

Brand:
CTS - Corporate Logo
ES#:
3612248
Mfg#:
CTS-FPK-005
Ships in 8 Business Days
ON SALE! SAVE 15%
$849.99

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

$722.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Transmission Mount Installation Hardware Kit

ES#3088893 - 003245ECS01-02 - Transmission Mount Installation Hardware Kit - Replace your one-time use bolts with new hardware for a proper install - ECS - Audi Volkswagen

Replace your one-time use bolts with new hardware for a proper install 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3088893
Mfg#:
003245ECS01-02
In Stock
ON SALE! SAVE 15%
$63.99

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

$54.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

APR 2.0T EA888 Gen 3 High Pressure Fuel Pump (HPFP) - New

ES#3706786 - MS100144 - APR 2.0T EA888 Gen 3 High Pressure Fuel Pump (HPFP) - New - The APR High Pressure Fuel Pump (HPFP) dramatically increases the maximum volume of fuel the HPFP can deliver - Satisfying fueling requirements set forth by high horsepower turbo applications - APR - Audi Volkswagen

The APR High Pressure Fuel Pump (HPFP) dramatically increases the maximum volume of fuel the HPFP can deliver - Satisfying fueling requirements set forth by high horsepower turbo applications Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
APR - Corporate Logo
ES#:
3706786
Mfg#:
MS100144
Ships in 8 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.

$1181.95

This product was last offered at the strikethrough price on
07-20-2026

$1049.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS OEM+ IS38 Ultimate Upgrade Package - With Installation Kit

ES#4933101 - 053191LA03 - ECS OEM+ IS38 Ultimate Upgrade Package - With Installation Kit - Drop-in proven performance with gains of up to 180HP! Equipped with a billet aluminum compressor wheel for quicker spool - includes our turbo muffler delete, turbo blanket, and comprehensive installation hardware! - Assembled By ECS - Audi Volkswagen

Drop-in proven performance with gains of up to 180HP! Equipped with a billet aluminum compressor wheel for quicker spool - includes our turbo muffler delete, turbo blanket, and comprehensive installation hardware! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4933101
Mfg#:
053191LA03
In Stock at Vendor
ON SALE! SAVE 14%
$1608.88

This product was last offered at the strikethrough price on
04-27-2026

$1380.23 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

2.0T FSI/TSI Stainless / Inconel Valve Kit

ES#3981079 - 109 1002K - 2.0T FSI/TSI Stainless / Inconel Valve Kit - Complete set includes 8 stainless intake valves, 8 inconel exhaust valves, and 32 single groove keepers - Techtonics Tuning - Audi Volkswagen

Complete set includes 8 stainless intake valves, 8 inconel exhaust valves, and 32 single groove keepers

Brand:
Techtonics Tuning - Corporate Logo
ES#:
3981079
Mfg#:
109 1002K
In Stock
$669.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Street Density Motor Mount Kit

ES#3447963 - 034-509-5002-SD - Street Density Motor Mount Kit - Kit includes Engine, transmission, and dogbone mounts with 60 Durometer street density rubber - 034Motorsport - Audi Volkswagen

Kit includes Engine, transmission, and dogbone mounts with 60 Durometer street density rubber

Brand:
034Motorsport - Corporate Logo
ES#:
3447963
Mfg#:
034-509-5002-SD
In Stock
$405.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Helical Limited Slip Differential

ES#2795291 - MF-TRS-05GTI5 - Helical Limited Slip Differential - Put all your power to the ground! - Team MFactory - Audi Volkswagen

Put all your power to the ground! Any defects or warranty clams will have to go directly to Team M Factory
For vehicles with 02Q 6-Speed manual transmission only

Brand:
Team MFactory - Corporate Logo
ES#:
2795291
Mfg#:
MF-TRS-05GTI5
Ships in 7 Business Days
$799.99 USD
Free Shipping

Stage 1 IE Performance ECU Tune - Includes DSG Tune & POWERlink Cable

ES#4056819 - iesovn41dsg - Stage 1 IE Performance ECU Tune - Includes DSG Tune & POWERlink Cable - Average gain of 68 horsepower and 111 lb-ft of torque - Integrated Engineering - Audi Volkswagen

Average gain of 68 horsepower and 111 lb-ft of torque 5X Entries For Our 25th Anniversary Sweepstakes!
Perform tune in minutes from the comfort of your own driveway! Only available for purchase in the United States and Canada.

Brand:
Integrated Engineering - Corporate Logo
ES#:
4056819
Mfg#:
IESOVN41DSG
In Stock
$1327.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ignition Service Kit - With Service Tools

ES#4349867 - 06e905115fKT7 - Ignition Service Kit - With Service Tools - Includes four Bosch red coil packs and four NGK iridium spark plugs (BKR8EIX - One heat range colder) - Assembled By ECS - Audi Volkswagen

Includes four Bosch red coil packs and four NGK iridium spark plugs (BKR8EIX - One heat range colder) 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4349867
Mfg#:
06E905115FKT7
In Stock
ON SALE! SAVE 14%
$267.99

This product was last offered at the strikethrough price on
03-12-2026

$231.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

COBB Flex Fuel Upgrade Kit

ES#4759401 - 3V2650 - COBB Flex Fuel Upgrade Kit - Includes an ethanol content sensor with bracket, bespoke wiring harness, a fuse tap harness, quick connect fuel fittings, and an ECU pin locator template and pin tool - CobbTuning - Audi Volkswagen

Includes an ethanol content sensor with bracket, bespoke wiring harness, a fuse tap harness, quick connect fuel fittings, and an ECU pin locator template and pin tool

Brand:
CobbTuning - Corporate Logo
ES#:
4759401
Mfg#:
3V2650
In Stock
$245.00 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.

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