Description
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. Mishimoto’s X-line radiator is engineered specifically for the 2001_2007 Subaru WRX/STI and features a large three-row core and full aluminium construction. This design yields optimal temperatures even in the most demanding environments. This radiator also features a 100% brazed aluminium 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.
Large three-row aluminium core provides additional coolant capacity, substantial coolant surface contact, and optimal coolant temperatures even in the most demanding environments
Industry-largest 2 inch thick core for ultimate cooling efficiency
Full aluminium 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
100% brazed aluminium core for maximum reliability
Included 1.3 bar radiator cap raises the boiling point of engine coolant, providing a safer and more efficient system
100% direct-fit with no modification required. Designed to original equipment specifications for the 2001_2007 WRX and STI
Mishimoto Lifetime Warranty ensures a premium product for the lifetime of ownership
Overall Size
28.4″ x 17.2″ x 2.5″
Core Size
13.54″ x 27.24″
Rows
3
Inlet
1.5″
Outlet
1.5″
Core Thickness
2″
Tank Wall Thickness
.08″
Fill Neck
1.22″
Fill Neck Thickness
.12″
Drain Plug Thread Size
(M16) .06″
Drain Plug Thread Length
.047″
Purchase Includes
Mishimoto Radiator
Mishimoto Radiator Cap
1/16″ NPT Plug
Fan Mounting Hardware
Magnetic Drain Plug
Limited Lifetime Warranty
DPI
2703
Note: This item is for Manual Transmission vehicles. For automatic applications, please purchase optional Mishimoto transmission cooler (P/N: MMTC-U).
Note: Due to the additional thickness of our 3 row X-Line radiator, trimming the upper hose may be necessary.
Note: For 2002-2003 Subaru WRX models built before 7/2002, remove fill neck overflow nipple and replace with 1/16″ NPT plug provided.
Caution
It is the installer’s responsibility to check all thermostat plugs, NPT plugs, line fittings, and other connections to assure they are fully tightened before operating the vehicle. Mishimoto recommends that you check all connections at regular intervals, especially during the first few miles after installation.





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