CSF 3515 1-Row Aluminum Radiator for 2005-2016 Subaru Legacy/Outback/Impreza AWD

Vehicle Fitment

• 2005-2009 Subaru Legacy (2.5L H4, AWD)
• 2005-2010 Subaru Outback (2.5L H4, AWD)
• 2008-2016 Subaru Impreza (2.5L H4, AWD)
• 2009-2013 Subaru Forester (2.5L H4, AWD)
• 2012-2016 Subaru WRX (2.5L turbo H4, AWD)
• 2013-2014 Subaru WRX STI (2.5L turbo H4, AWD)
• 2013-2015 Subaru XV Crosstrek / 2016 Subaru Crosstrek (2.0L/2.5L H4, AWD)

Features

• 1-Row aluminum core with multi-louvered fin design
• OE-style plastic tanks for factory compatibility
• Built-in high-efficiency plate-type engine oil cooler
• Drop-in replacement with OEM hoses & shroud
• Leak-tested at 150% operating pressure for reliability
• TIG-welded core for structural durability
• Includes straight oil-cooler fitting pipe, rubber cap & clamp
• Polished filler neck for corrosion resistance

Specifications

• Core: 1-Row, 0.63" (5/8") thick, 27" x 13.44"
• Inlet/outlet: 1.563" (1 9/16")
• Material: Aluminum core & fins, plastic end tanks
• Includes 14.75" plate-type engine oil cooler
• Weight: approx. 8 lb
• Drivetrain: AWD only
• Fitment verified for non-turbo and turbo (WRX/STI) models
• Fitment confirmed 2005-2016; 2017+ unconfirmed at listing time

Included Components

• 1x CSF 3515 radiator
• 1x Oil-cooler fitting pipe
• 1x Oil-cooler cap
• 1x Hose clamp
• Mounting brackets & hardware

Product Description

The CSF 3515 is a direct-fit, OE-style replacement radiator designed for a wide range of Subaru AWD vehicles from 2005-2016, including Legacy, Outback, Impreza, WRX, STI, Forester, and Crosstrek. Featuring a single-row aluminum core with a built-in plate-type engine oil cooler, it offers enhanced cooling performance while maintaining factory compatibility :contentReference[oaicite:6]{index=6}.

Manufactured with TIG-welded aluminum and plastic tanks, this radiator is leak-tested at 150% operating pressure to ensure durability under heat and stress. The polished filler neck and included oil cooler fitting pipe ensure seamless installation using existing hoses and shroud - no modifications required :contentReference[oaicite:7]{index=7}.

Whether replacing a worn OEM unit or upgrading for better thermal management, the CSF 3515 delivers reliability and peace of mind backed by OE-quality engineering. Fitment confirmed through 2016. Compatibility beyond 2016 is unconfirmed at the time of listing.