Subaru OEM Water Bypass Pipe Subaru STI 2006-2007 / WRX 2006-2007 / Baja 2006 / Forester XT 2006-2008 | 14065AA290

Overview

The Genuine Subaru OEM Water Bypass Pipe (Part #14065AA290) is an exact-fit factory replacement for the engine cooling and coolant routing system on 2006–2007 Subaru STI and 2006–2007 Subaru WRX models. Designed and manufactured to original Subaru specifications, this pipe ensures proper coolant flow and bypass function, helping maintain optimal engine temperature and long-term reliability. Choosing a genuine OEM part guarantees a perfect fit, factory-grade materials, and compatibility with your vehicle's cooling system without modification.

Key Features & Benefits

• Genuine Subaru OEM Part – Manufactured to exact factory specifications for guaranteed fit, form, and function on compatible STI and WRX models.
• Exact-Fit Replacement – Direct drop-in replacement requiring no cutting, drilling, or modification; restores OEM coolant bypass routing precisely.
• Factory-Grade Materials – Built from the same materials used in original Subaru production, ensuring durability under high-performance EJ engine operating conditions.
• Maintains Cooling System Integrity – Correct coolant bypass flow prevents overheating, hot spots, and premature engine wear on turbocharged EJ20/EJ25 engines.
• Backed by Subaru Quality – Sourced directly from Subaru's OEM supply chain, eligible for Subaru warranty support.
• Prevents Costly Leaks – Replaces aging or cracked bypass pipe before coolant loss causes major engine damage.

What's Included

• 1x Genuine Subaru Water Bypass Pipe (Part #14065AA290)

Specifications

Fitment & Compatibility

This genuine Subaru Water Bypass Pipe is designed to fit the following vehicles:

• 2006 Subaru Baja
• 2006-2008 Subaru Forester XT
• 2006-2007 Subaru STI
• 2006-2007 Subaru WRX

Always verify your vehicle's VIN and engine code before ordering. Cross-reference part number 14065AA290 to confirm compatibility.

Installation

This water bypass pipe is a direct OEM replacement. Installation involves draining and refilling the coolant system, removing the existing bypass pipe, and installing the new pipe. Ensure all connections are secure and no leaks are present after installation. Basic hand tools are required. Professional installation recommended if you are unfamiliar with cooling system work.