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Audi A3 Performance Engine & Drivetrain Parts

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ES#4684889 - 034-103-3306 - Dynamic+ End User Flashing Kit R4 (Flashing Device Only - Tuning Not Included) - End User Flashing allows Dynamic+ Performance Software customers to receive and install software updates and revisions, flash back to stock, or upgrade to the next stage of performance software for their vehicle. - 034Motorsport - Audi Volkswagen

End User Flashing allows Dynamic+ Performance Software customers to receive and install software updates and revisions, flash back to stock, or upgrade to the next stage of performance software for their vehicle. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
The 034SPI Mobile App is only available on vehicles with Dynamic+ Tuning installed. You must purchase Dynamic+ Tuning for your Audi or Volkswagen to access the Dynamic+ Flashing Suite and 034SPI Mobile Application.

Brand:
034Motorsport - Corporate Logo
ES#:
4684889
Mfg#:
034-103-3306
EO#:
D-850
In Stock
$180.00 USD
Free Shipping
ES#2855201 - SN0210 - Stage 2.5 Boost-Controlled Water/Meth Injection Kit - Features a gauge pod controller, which allows for the best control and visibility. 7-color OLED displays boost, percentage of flow, low level, and even faults. - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Features a gauge pod controller, which allows for the best control and visibility. 7-color OLED displays boost, percentage of flow, low level, and even faults. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Gauge Pod controller, for optimum control even from the driver's seat!

Brand:
SnowPerformance - Corporate Logo
ES#:
2855201
Mfg#:
SN0210
In Stock
$583.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4352743 - MS100199 - APR Full Catch Can System  - Keep your intake tract clean and oil free, with APR's Oil Catch Can System - APR - Audi Volkswagen

Keep your intake tract clean and oil free, with APR's Oil Catch Can System Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
APR - Corporate Logo
ES#:
4352743
Mfg#:
MS100199
In Stock
11% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$922.95

This product was last offered at the strikethrough price on
06-03-2026

$819.95 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4689970 - 034-106-6057 - High Pressure Fuel Pump Piston Upgrade Kit - Designed to be a drop-in replacement piston for the factory high pressure fuel pump - 034Motorsport - Audi Volkswagen

Designed to be a drop-in replacement piston for the factory high pressure fuel pump affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4689970
Mfg#:
034-106-6057
In Stock
$326.00 USD
Free Shipping
ES#4362327 - UH009-ICA - Unitronic Intercooler Upgrade for 1.8/2.0 TSI Gen3 MQB - Direct OEM replacement kit with the ability to support 600HP and more! Featuring a massive bar and plate intercooler core, cast aluminum end tanks, and proprietary internal fin and louver configuration - Unitronic - Audi Volkswagen

Direct OEM replacement kit with the ability to support 600HP and more! Featuring a massive bar and plate intercooler core, cast aluminum end tanks, and proprietary internal fin and louver configuration affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Buy Unitronic Software 5/22/26 - 6/5/26 for a chance to win your Software & UniCONNECT+ Cable for FREE!

Brand:
Unitronic - Corporate Logo
ES#:
4362327
Mfg#:
UH009-ICA
In Stock
ON SALE! SAVE 10%
$849.99

This product was last offered at the strikethrough price on
05-21-2026

$764.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3111675 - MAH-PVN1 - IE Spec Mahle Motorsport Performance Pistons - 82.5mm bore - Forged Alloy pistons with 22mm wrist pin - Varying Comp Ratio: (2.0T TSI EA888 Gen 1 & 2 (2008-2014): 9.5:1 CR), (2.0T TSI EA888 Gen 3 (2015+): 9.3:1 CR) - Integrated Engineering - Audi Volkswagen

Forged Alloy pistons with 22mm wrist pin - Varying Comp Ratio: (2.0T TSI EA888 Gen 1 & 2 (2008-2014): 9.5:1 CR), (2.0T TSI EA888 Gen 3 (2015+): 9.3:1 CR) affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
3111675
Mfg#:
MAH-PVN1
In Stock
$997.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4707475 - CTS-TR-1015-2 - JB-600 Journal Bearing Hybrid Turbocharger - Budget friendly-direct bolt on turbo upgrade for an existing IS12, IS20, or IS38 turbocharger. - CTS - Audi Volkswagen

Budget friendly-direct bolt on turbo upgrade for an existing IS12, IS20, or IS38 turbocharger. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTS - Corporate Logo
ES#:
4707475
Mfg#:
CTS-TR-1015-2
In Stock
$1499.99 USD
Free Shipping
ES#3194431 - 034-509-5020 - Density Line MQB Engine/Transmission Mount - Pair  - Kit includes engine and transmission mount, offering unmatched levels of comfort and performance - 034Motorsport - Audi Volkswagen

Kit includes engine and transmission mount, offering unmatched levels of comfort and performance affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
3194431
Mfg#:
034-509-5020
Ships in 3 Business Days
$340.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3184325 - AP3-VLK-002 - COBB Tuning Accessport Tuner V3 - Flash your ECU and unleash the power your VW/Audi was meant to have. - CobbTuning - Audi Volkswagen

Flash your ECU and unleash the power your VW/Audi was meant to have. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
CARB certified for sale in all 50 states
Not for vehicles with FWD

Brand:
CobbTuning - Corporate Logo
ES#:
3184325
Mfg#:
AP3-VLK-002
EO#:
D-660-37
In Stock
$770.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4499603 - 034-106-6051 - High Pressure Fuel Pump Piston Upgrade Kit - Unlock up to 50% more flow over the factory high pressure fuel pump - 034Motorsport - Audi Volkswagen

Unlock up to 50% more flow over the factory high pressure fuel pump affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4499603
Mfg#:
034-106-6051
In Stock
$337.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3691112 - HVA-275 - MQB High Pressure Fuel Pump Upgrade - A must for Stage 3 cars, reliably handles over 240 Bar (3480 PSI) - HPA Motorsports - Audi Volkswagen
ECS Tuning recommends this product.

A must for Stage 3 cars, reliably handles over 240 Bar (3480 PSI) affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
HPA Motorsports - Corporate Logo
ES#:
3691112
Mfg#:
HVA-275
Ships on Jun 26, 2026
Auto Notify
$749.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4485227 - T4100003 - APR DTR6054 Direct Replacement Turbo Kit - Direct turbocharger replacement for the EA888 Gen 3 Engine with gains up to 491HP and 425FT-LBS. - APR - Audi Volkswagen

Direct turbocharger replacement for the EA888 Gen 3 Engine with gains up to 491HP and 425FT-LBS. Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
Not legal for sale or use in the state of California.

Brand:
APR - Corporate Logo
ES#:
4485227
Mfg#:
T4100003
In Stock
11% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$2420.95

This product was last offered at the strikethrough price on
03-23-2026

$2151.95 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3551289 - 025254ECS01-01 - VW/Audi Atmospheric Diverter Valve Spacer - Black - Let your turbo blow off some air for an exhilarating driving experience! - ECS - Audi Volkswagen

Let your turbo blow off some air for an exhilarating driving experience! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3551289
Mfg#:
025254ECS01-01
In Stock
ON SALE! SAVE 30%
$84.99

This product was last offered at the strikethrough price on
05-02-2026

$59.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2873046 - 012570ecs01KT - Ultimate High Pressure Fuel Pump Upgrade Kit - Common fix for P2294 CEL code. New OE fuel pump with Autotech internal upgrades pre-installed and includes new cam follower with replacement hardware - Assembled By ECS - Audi Volkswagen

Common fix for P2294 CEL code. New OE fuel pump with Autotech internal upgrades pre-installed and includes new cam follower with replacement hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with FSI engines only

Brand:
Assembled By ECS - Corporate Logo
ES#:
2873046
Mfg#:
012570ECS01KT
In Stock
$841.95 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2794552 - IERTVT1 - Forged I-Beam Tuscan Connecting Rods - Rifle Drilled - Set of 4 connecting rods, to be paired with 22mm wrist pin aftermarket pistons (JE, Wiseco, Mahle ETC) - Integrated Engineering - Audi Volkswagen

Set of 4 connecting rods, to be paired with 22mm wrist pin aftermarket pistons (JE, Wiseco, Mahle ETC) affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

For TSI engines only - To be used with aftermarket pistons with 22mm wrist pin

Brand:
Integrated Engineering - Corporate Logo
ES#:
2794552
Mfg#:
IERTVT1
In Stock
$749.99 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.

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