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Mishimoto — Mishimoto 01-07 Subaru WRX and STi Manual X-LINE (Thicker Core) Aluminum Radiator
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Radiators

Mishimoto

Mishimoto 01-07 Subaru WRX and STi Manual X-LINE (Thicker Core) Aluminum Radiator

SKU: misMMRAD-WRX-01X

When properly maintained, the Subaru flat-four is well known for its substantial power and impressive reliability. Proper regulation of coolant temperature is key to extending the life of your EJ-powered Subaru. Highly modified turbocharger setups and aggressive driving can result in high temperatures, which increases wear on internal engine components. The X-Line Performance Aluminum Radiator is engineered...

Installation manual

$399.95$440.00Save 9%
6 In Stock

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Overview

When properly maintained, the Subaru flat-four is well known for its substantial power and impressive reliability. Proper regulation of coolant temperature is key to extending the life of your EJ-powered Subaru. Highly modified turbocharger setups and aggressive driving can result in high temperatures, which increases wear on internal engine components. The X-Line Performance Aluminum Radiator is engineered specifically for the 2001-2007 Subaru WRX and STI and features a large three-row core and full aluminum construction. This design yields optimal temperatures even in the most demanding environments.--This radiator also features a 100% brazed aluminum core with TIG-welded end tanks for increased durability, longevity, and a substantial increase in coolant capacity. The large three-row core enhances surface contact, resulting in improved efficiency, improved heat transfer, and lower engine coolant temperatures for your Subaru. The Mishimoto Subaru WRX and STI radiator includes a high-pressure 1.3 bar radiator cap, which effectively raises the boiling point of coolant to create a safer and more efficient system. Additionally, a second radiator cap is included for use on the expansion tank. Included with this radiator is a Mishimoto magnetic drain plug that removes metal fragments circulating in the coolant system, thus further protecting your engine. Whether you are looking for a reliable stock replacement radiator or a heat exchanger efficient enough for track abuse, the Mishimoto Subaru WRX and STI X-Line Performance Aluminum Radiator is an ideal choice. As with all our products, this radiator is backed by the Mishimoto Lifetime Warranty.

Features

  • Large three-row aluminum core provides additional coolant capacity, substantial coolant surface contact, and optimal coolant temperatures even in the most demanding environments
  • Full aluminum construction provides increased heat and pressure tolerance, improved heat dissipation, increased durability, and improved cooling efficiency
  • Manufactured with robust TIG-welded end tanks for improved strength and extended longevity
  • Large three-row aluminum core provides additional coolant capacity, substantial coolant surface contact, and optimal coolant temperatures even in the most demanding environments
  • Full aluminum construction provides increased heat and pressure tolerance, improved heat dissipation, increased durability, and improved cooling efficiency
  • Manufactured with robust TIG-welded end tanks for improved strength and extended longevity
  • Increased coolant capacity directly results in improved cooling efficiency
  • Now includes two 1.3 bar high-pressure caps, raising the boiling point of engine coolant to provide a safer, more efficient system
  • Two-way expansion tank cap and one-way radiator cap ensure proper flow and function of cooling system to avoid overheating
  • Includes magnetic drain plug to prevent metal fragments and debris from circulating in coolant system
  • Mishimoto Lifetime Warranty
  • N/A
X-Line Performance Aluminum Radiator, fits Subaru WRX/STI 2001-2007 Subaru WRX and STI X-Line Performance Aluminum Radiator

Installation (catalog file)

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Fitment notes (catalog)

2006 Saab 9-2X 2.5i 2.5 Liter TY754, 2005 Saab 9-2X Aero 2.0 Liter TY754, 2006 Saab 9-2X Aero 2.5 Liter TY754, 2005 Saab 9-2X Linear 2.5 Liter TY754, 2002-2005 Subaru Impreza WRX 2.0 Liter TY754, 2006-2007 Subaru Impreza WRX 2.5 Liter TY754, 2006-2007 Subaru Impreza WRX Limited 2.5 Liter TY754, 2004-2007 Subaru Impreza WRX STI 2.5 Liter TY856, 2007 Subaru Impreza WRX STI Limited 2.5 Liter TY856, 2006-2007 Subaru Impreza WRX TR 2.5 Liter TY754

Summarized compatible vehicles also appear under Description → Fitment.

Detailed rows from our confirmed fitment index can be large (dozens to hundreds per part). Load them only when you need year/trim/engine-level links to Shop by Vehicle.