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Volkswagen MK4 Performance Engine Parts

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Connecting Rod Bolt Set

ES#261252 - 104-6004 - Connecting Rod Bolt Set - Pro-Series complete rod bolt set - ARP - Audi Volkswagen

Pro-Series complete rod bolt set 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ARP - Corporate Logo
ES#:
261252
Mfg#:
104-6004
Ships in 10 Business Days
$147.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Stage 5 - With FlashZilla V3

ES#2951980 - ve-tdi-005KT - Stage 5 - With FlashZilla V3 - Average gain of 90 horsepower and 150 lb-ft of torque, power results vary depending on your modifications - Tunezilla - Volkswagen

Average gain of 90 horsepower and 150 lb-ft of torque, power results vary depending on your modifications Requires VNT-17 based hybrid turbo upgrade, 3.0 bar MAP sensor, VCDS logging, upgraded fuel injectors, and upgraded clutch if not equipped with factory L

Brand:
Tunezilla - Corporate Logo
ES#:
2951980
Mfg#:
VE-TDI-005KT
Ships in 8 Business Days
$739.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Stage 3 Boost Cooler (EFI - Port Injection) - Nylon Line

ES#4144931 - SN0-310 - Stage 3 Boost Cooler (EFI - Port Injection) - Nylon Line - Brings true 2D mapped water-methanol injection delivery to your EFI (Electronic Fuel Injected) and forced induction vehicle - SnowPerformance - Audi BMW Volkswagen MINI

Brings true 2D mapped water-methanol injection delivery to your EFI (Electronic Fuel Injected) and forced induction vehicle

Brand:
SnowPerformance - Corporate Logo
ES#:
4144931
Mfg#:
SN0-310
In Stock at Vendor
$729.99 USD
Free Shipping
on orders $49 and up

BMS DDP5800 Water/Methanol Injection Pump

ES#4714532 - BMSDDP5800 - BMS DDP5800 Water/Methanol Injection Pump - 200 psi bypass for smooth and high pressure and 1.3 GPM open flow. Choose quick connect or threaded NPT style fittings. - Burger Motorsports - Audi BMW Volkswagen MINI

200 psi bypass for smooth and high pressure and 1.3 GPM open flow. Choose quick connect or threaded NPT style fittings.

Brand:
Burger Motorsports - Corporate Logo
ES#:
4714532
Mfg#:
BMSDDP5800
In Stock
Starting at $120.00 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

silicone Turbo Inlet hose - Blue

ES#1832575 - GOLFINDB - silicone Turbo Inlet hose - Blue - For cars with 19mm and 25mm PCV - Forge - Volkswagen

For cars with 19mm and 25mm PCV

Brand:
Forge - Corporate Logo
ES#:
1832575
Mfg#:
GOLFINDB
Ships in 4 Business Days
$239.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

SPA Performance Forged Piston Set

ES#5444934 - CMBMVL016JG035 - SPA Performance Forged Piston Set - For VW/Audi 1.8L 20V 81mm - SPA Performance - Audi Volkswagen

For VW/Audi 1.8L 20V 81mm

Brand:
SPA Performance - Corporate Logo
ES#:
5444934
Mfg#:
CMBMVL016JG035
Ships in 4 Business Days
$699.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Short Runner Intake Manifold

ES#3221089 - CTS-R32-SRI-MK4 - Short Runner Intake Manifold - High flow Aluminum short runner intake manifold - CTS - Volkswagen

High flow Aluminum short runner intake manifold

Brand:
CTS - Corporate Logo
ES#:
3221089
Mfg#:
CTS-R32-SRI-MK4
Special Order: No Guaranteed ETA
$699.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Eurodyne Reflash - With Powertap Air Flash Tool

ES#3147671 - ed-1.8-awp-KT - Eurodyne Reflash - With Powertap Air Flash Tool - Tune your car with just your laptop and choose gains ranging from 35-50 hp and 77-107 ft-lb of torque - Eurodyne - Volkswagen

Tune your car with just your laptop and choose gains ranging from 35-50 hp and 77-107 ft-lb of torque For vehicles with AWP engine code only

Brand:
Eurodyne - Corporate Logo
ES#:
3147671
Mfg#:
ED-1.8-AWP-KT
In Stock
$699.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

MK4 Golf Performance Catback Exhaust System & Luft-Technik Intake System

ES#4876690 - 013940LA02EBKT2 - MK4 Golf Performance Catback Exhaust System & Luft-Technik Intake System - The ULTIMATE auditory upgrade for your MK4! Featuring a single-exit turndown tip and wrinkle black intake piping. - Enthusiast Bundles - Volkswagen

The ULTIMATE auditory upgrade for your MK4! Featuring a single-exit turndown tip and wrinkle black intake piping. Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One!

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4876690
Mfg#:
013940LA02EBKT2
Ships on Oct 9, 2026
Auto Notify
ON SALE! SAVE 14%
$817.07

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

$699.00 USD
This product is lifetime replacement eligible Lifetime Replacement

FP34 Fuel Pump Surge Tank - With Pump

ES#3419777 - 034-106-A003 - FP34 Fuel Pump Surge Tank - With Pump - Fully enclosed FP34 fuel pump surge tank with Bosch 044 "Motorsport" fuel pump - 034Motorsport - Audi Volkswagen

Fully enclosed FP34 fuel pump surge tank with Bosch 044 "Motorsport" fuel pump

Brand:
034Motorsport - Corporate Logo
ES#:
3419777
Mfg#:
034-106-A003
Back Ordered
$690.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Boost Cooler Stage 2.5 Progressive Water/Methanol Injection Kit - no tank

Unlock 50-70 HP on your boosted vehicle while decreasing your air temps by up to 100 degrees! Stainless Steel Braided Line, 4AN Fittings, no tank included!

Brand:
SnowPerformance - Corporate Logo
ES#:
4608739
Mfg#:
SN0-210-BRD-T
In Stock at Vendor
$687.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Light Weight Alternator Pulley Black Anodized

ES#2917973 - 002236ECS03B01 - Light Weight Alternator Pulley Black Anodized - Bolt on lightweight billet aluminum pulley - ECS - Audi Volkswagen

Bolt on lightweight billet aluminum pulley 10X Entries For Our 25th Anniversary Sweepstakes!
Vehicles with clutched alternator pulley require hardware kit - ES271279 for installation

Brand:
ECS - Corporate Logo
ES#:
2917973
Mfg#:
002236ECS03B01
In Stock
ON SALE! SAVE 25%
$90.99

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

$68.24 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ARP Head Stud Kit

ES#2794641 - ARP2044705 - ARP Head Stud Kit - Manufactured in the U.S.A. and 100% re-usable - ARP - Volkswagen

Manufactured in the U.S.A. and 100% re-usable 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ARP - Corporate Logo
ES#:
2794641
Mfg#:
ARP2044705
In Stock at Vendor
$335.99 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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