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Volkswagen MK4 Performance Engine Parts

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MK4 Jetta Performance Catback Exhaust System

ES#4338302 - 013940LA03-01 - MK4 Jetta Performance Catback Exhaust System - In-house engineered for VW MK4 enthusiasts! Featuring T304 SS Tig-welded 2.5" tubing, a center resonator and a straight-through perforated core muffler - ECS - Volkswagen

In-house engineered for VW MK4 enthusiasts! Featuring T304 SS Tig-welded 2.5" tubing, a center resonator and a straight-through perforated core muffler 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4338302
Mfg#:
013940LA03-01
In Stock
ON SALE!
Starting at $522.92 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Forged rifle drilled H-Beam Connecting Rods

ES#2794740 - IERHVA1RD - Forged rifle drilled H-Beam Connecting Rods - 144x20mm forged H-beam rods from Integrated Engineering. - Integrated Engineering - Audi Volkswagen

144x20mm forged H-beam rods from Integrated Engineering. 5X Entries For Our 25th Anniversary Sweepstakes!
*To be used with aftermarket pistons with 20mm wrist pins*

Brand:
Integrated Engineering - Corporate Logo
ES#:
2794740
Mfg#:
IERHVA1RD
In Stock
$629.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Mount Intercooler Kit (450HP)

ES#2862988 - CTSMK4FMICKIT450 - Front Mount Intercooler Kit (450HP) - Improved cooling for improved performance - CTS - Volkswagen

Improved cooling for improved performance Modifications necessary for proper fitment. Please see installation PDF prior to purchasing.

Brand:
CTS - Corporate Logo
ES#:
2862988
Mfg#:
CTSMK4FMICKIT450
Ships in 7 Business Days
ON SALE! SAVE 10%
$699.99

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

$629.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Street Density Line Motor Mount Kit

ES#2960453 - 0345095005SD - Street Density Line Motor Mount Kit - Includes engine and transmission mount with 50 durometer rubber - 034Motorsport - Audi Volkswagen

Includes engine and transmission mount with 50 durometer rubber

Brand:
034Motorsport - Corporate Logo
ES#:
2960453
Mfg#:
0345095005SD
In Stock
$446.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

008 Premium Diverter Valve - *Limited Edition* Red*

ES#4001248 - FMDV008R - 008 Premium Diverter Valve - *Limited Edition* Red* - Smaller, tougher and tuneable! *Limited edition red finish* - Forge - Audi Volkswagen Porsche

Smaller, tougher and tuneable! *Limited edition red finish* Limited Editions ONLY at ECS Tuning : Limited Stock so Act Fast

Brand:
Forge - Corporate Logo
ES#:
4001248
Mfg#:
FMDV008R
Back Ordered
Auto Notify
$180.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Walbro Universal 450lph In-Tank Fuel Pump Low Pressure

ES#3241084 - F90000274 - Walbro Universal 450lph In-Tank Fuel Pump Low Pressure - Great for when more fuel is needed in a custom fueling application - Walbro - Audi Volkswagen

Great for when more fuel is needed in a custom fueling application This is a general-use high flow fuel pump, not a direct plug-and-play swap in most application

Brand:
Walbro - Corporate Logo
ES#:
3241084
Mfg#:
F90000274
In Stock
$137.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Performance Drivetrain Mount Kit

ES#2951827 - 002465ECS0102KT - ECS Performance Drivetrain Mount Kit - Includes ECS Ultimate Dogbone Mount, Engine and Trans Mounts & Installation Hardware - ECS - Audi Volkswagen

Includes ECS Ultimate Dogbone Mount, Engine and Trans Mounts & Installation Hardware 10X Entries For Our 25th Anniversary Sweepstakes!
Ideal combination for High Performance Street Vehicles
For vehicles with manual transmission only

Brand:
ECS - Corporate Logo
ES#:
2951827
Mfg#:
002465ECS0102KT
In Stock
$672.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Silicone Turbo inlet hose - with clamps

ES#2785003 - 003598ECS03 - Silicone Turbo inlet hose - with clamps - For cars with 19mm & 25mm PCV - ECS - Volkswagen

For cars with 19mm & 25mm PCV 10X Entries For Our 25th Anniversary Sweepstakes!

Factory engine cover will not fit with the use of this inlet hose.

Brand:
ECS - Corporate Logo
ES#:
2785003
Mfg#:
003598ECS03
In Stock
ON SALE! SAVE 25%
$201.99

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

$151.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Mount Intercooler

ES#2917710 - 15030 - Front Mount Intercooler - Improved cooling for improved performance - Euro Sport Acc - Volkswagen

Improved cooling for improved performance For vehicles with manual transmission only

Brand:
Euro Sport Acc - Corporate Logo
ES#:
2917710
Mfg#:
15030
Back Ordered
Auto Notify
$569.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet Diverter Valve - Black

ES#3183557 - 034-145-5000-BLK - Billet Diverter Valve - Black - High-performance spring and piston design is both durable and a performer! - 034Motorsport - Audi Volkswagen

High-performance spring and piston design is both durable and a performer!

Brand:
034Motorsport - Corporate Logo
ES#:
3183557
Mfg#:
034-145-5000-BLK
In Stock
$134.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Street Density Line Motor Mount Kit

ES#3183541 - 034-509-5008-SD - Street Density Line Motor Mount Kit - Includes Engine and Transmission mount with 60 durometer rubber - 034Motorsport - Audi Volkswagen

Includes Engine and Transmission mount with 60 durometer rubber For vehicles with manual transmission only

Brand:
034Motorsport - Corporate Logo
ES#:
3183541
Mfg#:
034-509-5008-SD
In Stock
$338.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Tuning Baffled Oil Catch Can - 8oz

ES#4369812 - 003779ECS05-02 - ECS Tuning Baffled Oil Catch Can - 8oz - Capture harmful oil vapors and keep your intake tract clean. Now featuring an easy to empty drain plug! - ECS - Audi BMW Volkswagen MINI

Capture harmful oil vapors and keep your intake tract clean. Now featuring an easy to empty drain plug! 10X Entries For Our 25th Anniversary Sweepstakes!
For use with custom plumbing and ECS universal mounting bracket kit

Brand:
ECS - Corporate Logo
ES#:
4369812
Mfg#:
003779ECS05-02
In Stock
ON SALE! SAVE 10%
$238.99

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

$215.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

EFR 7670 Single Turbo Kit - DTM

ES#3247347 - FT-DTM-7670-MK4 - EFR 7670 Single Turbo Kit - DTM - Performance gains of up to 350 hp 360 ft-lbs @ 7 psi - HPA Motorsports - Volkswagen

Performance gains of up to 350 hp 360 ft-lbs @ 7 psi Built-to-order kit, expect 8-10 weeks for shipping. ECU must be shipped to HPA for software installation

Brand:
HPA Motorsports - Corporate Logo
ES#:
3247347
Mfg#:
FT-DTM-7670-MK4
Ships on Aug 19, 2026
$8899.00 USD

Bosch 550cc Fuel Injector - Priced Each

ES#1897179 - INJB550 - Bosch 550cc Fuel Injector - Priced Each - Compatible with BT software applications. Does NOT include injector plug adapters - Bosch - Audi Volkswagen

Compatible with BT software applications. Does NOT include injector plug adapters 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
1897179
Mfg#:
INJB550
In Stock
$77.29

This product was last offered at the strikethrough price on
07-06-2026

$58.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

K04 Turbocharger - 001 With ECS Installation Kit

ES#5816 - 06a198704bko4 - K04 Turbocharger - 001 With ECS Installation Kit - Includes all gaskets and hardware needed to install your K04 - Assembled By ECS - Audi Volkswagen

Includes all gaskets and hardware needed to install your K04 10X Entries For Our 25th Anniversary Sweepstakes!
Installation may also require a different turbo inlet hose.

Brand:
Assembled By ECS - Corporate Logo
ES#:
5816
Mfg#:
06A198704BKO4
In Stock
ON SALE! SAVE 21%
$2589.11

This product was last offered at the strikethrough price on
02-20-2026

$2053.78 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Engine Parts

Our name says it all. That's why ECS Tuning is dedicated to providing our customers with the broadest possible assortment of engine tuning options at a range of prices and options to fit any budget. Start small and grow your car into something special with performance engine upgrades from a company that has tuning in its name and its blood.

Let us help you find the parts that fit your Volkswagen

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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