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Volkswagen MK4 Performance Engine Parts

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ES#3432394 - 034-106-7028 -  034Motorsport Billet Fuel Rail Upgrade Kit - Includes billet fuel rail, billet FPR adapter, hardware, and hoses for a simple drop-in installation - 034Motorsport - Audi Volkswagen

Includes billet fuel rail, billet FPR adapter, hardware, and hoses for a simple drop-in installation affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
3432394
Mfg#:
034-106-7028
Ships in 2 Business Days
$318.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2793968 - IEBACA4 - Catch Can Kit - Vent-to-atmosphere design, featuring billet can and anodized fittings - Integrated Engineering - Volkswagen

Vent-to-atmosphere design, featuring billet can and anodized fittings affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
2793968
Mfg#:
IEBACA4
In Stock
$473.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#1832574 - GOLFIND - silicone Turbo Inlet hose - Black - For cars with 19mm or 25mm PCV - Forge - Volkswagen

For cars with 19mm or 25mm PCV affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Forge - Corporate Logo
ES#:
1832574
Mfg#:
GOLFIND
Ships in 6 Business Days
$171.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#1892649 - 15745 - Cat-Back Exhaust System - Fully polished 2.25" system - Magnaflow - Volkswagen

Fully polished 2.25" system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles featuring a "dual tip cut out" rear valance

Brand:
Magnaflow - Corporate Logo
ES#:
1892649
Mfg#:
15745
Back Ordered
$913.00 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#5434485 - 056390la03KT - 1.8T Silicone Vacuum Hose Set - EGR - Replace your factory rubber vacuum lines with our durable silicone upgrade! - ECS - Audi Volkswagen

Replace your factory rubber vacuum lines with our durable silicone upgrade! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with AWW or AWP engine codes only

Brand:
ECS - Corporate Logo
ES#:
5434485
Mfg#:
056390LA03KT
In Stock
$106.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2764437 - MM0CULT - Universal Oil Cooler - 19 Row, with Thermostat - Serious engine oil cooling for the most demanding engines - Mishimoto - Audi BMW Volkswagen MINI

Serious engine oil cooling for the most demanding engines affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mishimoto - Corporate Logo
ES#:
2764437
Mfg#:
MM0CULT
In Stock
$599.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3022269 - HEA-WRAPKIT-50 - Titanium Exhaust Wrap - 2" x 50 - Designed to handle continuous temperatures up to 1,800F - Prosport Performance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Designed to handle continuous temperatures up to 1,800°F affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Prosport Performance - Corporate Logo
ES#:
3022269
Mfg#:
HEA-WRAPKIT-50
In Stock
$49.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2864600 - 034-509-1005 - Billet Dogbone Mount - Eliminate the slop associated with the factory mount - 034Motorsport - Volkswagen

Eliminate the slop associated with the factory mount affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
2864600
Mfg#:
034-509-1005
In Stock
$297.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#420 - MK44CPK - Lightweight Underdrive Pulley Set - Black Anodized - Includes a new alternator, power steering and crank pulley that allows you to use a stock belt. - ECS - Audi Volkswagen

Includes a new alternator, power steering and crank pulley that allows you to use a stock belt. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Vehicles with clutched alternator pulley require hardware kit - ES271279 for installation

Brand:
ECS - Corporate Logo
ES#:
420
Mfg#:
MK44CPK
In Stock
ON SALE! SAVE 15%
$298.99

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

$254.14 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2536 - VR612VCPKIT - ECS Super-Lightweight Crank Pulley - Black - Includes 13oz super-lightweight crank pulley, key way & securing bolt - ECS - Volkswagen

Includes 13oz super-lightweight crank pulley, key way & securing bolt affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2536
Mfg#:
VR612VCPKIT
In Stock
ON SALE! SAVE 20%
$218.99

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

$175.19 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2804334 - 000593ECS0103AKT - Luft-Technik Intake System - Wrinkle Red - Engineered for extreme performance and show quality looks! - ECS - Volkswagen

Engineered for extreme performance and show quality looks! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2804334
Mfg#:
000593ECS0103AKT
In Stock
ON SALE! SAVE 30%
$250.09

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

$175.06 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2828105 - SSXVW053 - 2.5" Cat-Back Exhaust System - Resonated - Get that Exhaust tone you've been looking for! - Milltek Sport - Volkswagen

Get that Exhaust tone you've been looking for! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles featuring a "dual tip cut out" rear valance

Brand:
Milltek Sport - Corporate Logo
ES#:
2828105
Mfg#:
SSXVW053
Ships in 3 Business Days
$854.93 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3604757 - 50-1000 - 340lph High Flow In-Tank Fuel Pump  - AEMs 340LPH High Flow In-Tank Fuel Pump is designed for high performance naturally aspirated and forced induction EFI vehicles. - AEM Electronics  - Audi Volkswagen

AEM’s 340LPH High Flow In-Tank Fuel Pump is designed for high performance naturally aspirated and forced induction EFI vehicles. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
This is a general-use high flow fuel pump, not a direct plug-and-play swap in most applications

Brand:
AEM Electronics  - Corporate Logo
ES#:
3604757
Mfg#:
50-1000
In Stock at Vendor
$113.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2855159 - 000593ECS1103AKT - Luft-Technik Intake System - Includes Turbo Inlet Hose - Wrinkle Red - Engineered for extreme performance and show quality looks! - ECS - Volkswagen

Engineered for extreme performance and show quality looks! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2855159
Mfg#:
000593ECS1103AKT
In Stock
ON SALE! SAVE 25%
$455.09

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

$341.32 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2917725 - 17704HTS - Cat-Back Exhaust System - Muffler Delete - 2.5" stainless steel with turn-down exit - Euro Sport Acc - Volkswagen

2.5" stainless steel with turn-down exit affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles featuring a "non-cutout" rear valance

Brand:
Euro Sport Acc - Corporate Logo
ES#:
2917725
Mfg#:
17704HTS
Ships in 3 Business Days
$425.00 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#3659335 - 279946 - JE Performance Forged Piston Set - Includes rings, wire locks, and wrist pins - 84mm bore, 8.5:1 CR, 95.9mm stroke - JE Piston - Volkswagen Porsche

Includes rings, wire locks, and wrist pins - 84mm bore, 8.5:1 CR, 95.9mm stroke affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
JE Piston - Corporate Logo
ES#:
3659335
Mfg#:
279946
In Stock at Vendor
$1699.99 USD
Free Shipping
on orders $49 and up
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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