Only 1 left in stock

Cylinder 4 Coolant Mod Kit for Subaru EJ20/EJ25 – Solve Overheating Issues and Improve Cooling System Efficiency


Solve cylinder 4 overheating issues with the Cylinder 4 Coolant Mod Kit, designed for Subaru EJ20/EJ25 engines. Improve cooling system efficiency and prevent head gasket failure.

SKU: 10006711
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Only 1 left in stock


Cylinder 4 Coolant Mod Kit For Subaru EJ20/EJ25 (10006711)

The Cylinder 4 Coolant Mod Kit is a must-have for Subaru EJ20 and EJ25 engine owners looking to improve their cooling system. This kit is designed to address the common issue of cylinder 4 overheating, which can lead to head gasket failure. The kit includes all the necessary components to reroute coolant flow to cylinder 4, ensuring even cooling and preventing overheating. With easy installation and high-quality materials, this mod kit is a reliable solution for Subaru enthusiasts seeking better engine performance and longevity.


Material: made of high quality Aluminum & Rubber & Stainless Steel.

Color: Black.

100% quality assurance tested, more responsive, less expensive, easier to install.

Designed to increase coolant flow to cylinder head.

Reduce knock and detonation in cylinder, avoid the dreaded EJ ringland failure.

Help reduce the cylinder number 4 coolant temperatures to keep them more uniform.

Easy to install, original specification, direct replacement for the old or broken one.

Include CNC aluminum head and T fittings along with a multi-layer rubber hose and stainless steel clamps.

Fit For:

For All EJ20 / EJ25 Engines:

For 02-14 Subaru WRX.

For 04-20 Subaru WRX STI.

For 04-08 Subaru Forester XT.

For 05-09 Subaru Legacy GT.

Package Contents:

1 x Rubber Hose.

1 x Head Fitting.

1 x Aluminum “T” Fitting.

4 x Clamps.


-No installation guides are included, we highly recommend to seek professional installation.

-Please feel free to contact us if you have any questions.


Additional information

Weight 0.8 kg
Dimensions 30 × 15 × 5 cm

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