Aluminum Radiator for Subaru Forester (2009-2013) 2.5L

High-Efficiency 3-Row All-Aluminum Performance Radiator for 2009-2013 Subaru Forester (SH)

What it Does: The all-aluminum 3-row performance radiator replaces the failure-prone factory cooling unit on the 2009-2013 Subaru Forester to increase fluid capacity, maximize heat dissipation, and prevent engine overheating under heavy load.

The Stock Subaru Forester Radiator Weakness

Factory cooling systems in the third-generation SH chassis rely on crimped, glass-fiber-reinforced plastic end tanks bonded to a single-row core. Over continuous thermal cycles, factory plastic end tanks embrittle, leading to micro-fractures, seam separation, and sudden catastrophic coolant loss. Furthermore, the OEM thin single-core design quickly succumbs to heat soak during sustained uphill climbs, stop-and-go commuting, or towing, leading to elevated cylinder head temperatures on the open-deck EJ253 and FB25 boxer engine architectures, directly risking blown head gaskets.

The Engineering Solution

This upgraded performance unit features a heavy-duty 3-row aluminum tube-and-fin core joined to precision TIG-welded aluminum end tanks. By eliminating crimped plastic junctions, it eliminates seam burst risks under sustained cooling system pressures. The high-density fin layout significantly increases ambient air surface contact, accelerating convective thermal transfer and reducing operating coolant temperatures. Engineered as a direct drop-in replacement, it maintains factory mounting tabs and port layouts while matching OEM references 13092 and CU13092.

What's Included

• 1 x all-aluminum 3-row radiator assembly
• Protective caps on fluid inlet/outlet ports

Technical Specifications

Compatibility

• 2009 Subaru Forester 2.5L
• 2010 Subaru Forester 2.5L
• 2011 Subaru Forester 2.5L
• 2012 Subaru Forester 2.5L
• 2013 Subaru Forester 2.5L

Frequently Asked Questions & Fitment Warnings

Does this fit the SH Chassis Forester?

Yes, this is a direct fit for the 2009-2013 Subaru Forester equipped with the 2.5L engine (EJ253 / FB25) in the SH chassis platform; verify transmission cooler and hose layout prior to installation as this is not a universal unit.

Do I need to bleed the cooling system after installing this radiator?

Yes, boxer engines are prone to trapping air pockets; you must perform a thorough coolant flush, refill with OEM-specified coolant, and complete a vacuum bleed or burp cycle to prevent hot spots.

The Subaru Performance Standard

Built to handle the harsh thermal environments of high-revving boxer platforms, this all-aluminum cooling assembly delivers robust track-level durability and rock-solid thermal stability across all driving conditions.