Koyorad A13091 Radiator

Brand Koyorad A13091
Core Height 13.375
Core Material Aluminum
Core Thickness 0.625
Core Width 27.8125
Inlet Diameter 1.5625
Outlet Diameter 1.5625
Tank Material Plastic
Title Koyorad A13091 Radiator
Fits Subaru · 18 vehicles

OE equivalent radiator. Built to match original specifications for a direct replacement.

Aluminum core. Lightweight construction helps promote efficient heat transfer.

Plastic tanks. Durable design balances strength with everyday cooling performance.

$164.88Free shipping
In stock · usually ships same day before 1pm CST
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Order total $164.88
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Koyorad A13091 Radiator for Subaru Cooling Service

The Koyorad A13091 radiator is an OE-equivalent replacement built for Subaru cooling system service. It is designed around an aluminum core with plastic tanks and the factory-style inlet and outlet sizing needed for direct-fit replacement work on select Subaru applications.

Key Features

  • Aluminum core construction for efficient heat transfer
  • Single-row core design
  • Core dimensions: 13.375 in. height, 27.8125 in. width, 0.625 in. thickness
  • 1.5625 in. inlet diameter and 1.5625 in. outlet diameter
  • Plastic tank material for OE-style construction
  • OE-equivalent replacement from Koyorad Radiator

Product Details

Koyorad Radiator A13091 is built for drivers and technicians looking for a direct replacement radiator that matches the original cooling layout. Koyorad uses its manufacturing experience to produce replacement radiators that follow OE-style specifications, making this unit a practical choice for Subaru Impreza, Subaru WRX, Subaru Legacy, and Subaru Outback cooling system repairs. The aluminum core and single-row design support consistent coolant flow through the radiator assembly, while the plastic tanks mirror common factory construction.

This part number, A13091, is listed for 2008-2013 Subaru Impreza, 2012-2013 Subaru WRX, 2005-2009 Subaru Legacy, and 2005-2009 Subaru Outback. If you are searching for a Subaru Impreza radiator replacement or a Subaru WRX cooling system radiator, A13091 is the cataloged match for those applications.

Common Uses

  • Replacing a leaking or damaged radiator
  • Restoring proper coolant circulation
  • Addressing overheating caused by radiator core failure
  • Repairing cracked plastic tanks or worn hose connections
  • Returning factory-style cooling performance after radiator service

Installation Notes and Tips

Verify inlet and outlet hose sizing, core dimensions, and vehicle application before installation. Inspect radiator hoses, clamps, and coolant condition during replacement to help prevent repeat cooling-system issues. Confirm fitment for the exact Subaru model and year listed for A13091 before removing the original radiator.

Quality Assurance

Koyorad positions this radiator line as an OE-equivalent replacement backed by the company’s manufacturing experience in cooling components. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

This part fits 18 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2013SubaruImpreza2.5LH4N/AKoyorad Radiator
2013SubaruWRX2.5LH4N/A—
2012SubaruImpreza2.5LH4N/AKoyorad Radiator
2012SubaruWRX2.5LH4N/A—
2011SubaruImpreza2.5LH4N/AKoyorad Radiator
2010SubaruImpreza2.5LH4N/AKoyorad Radiator
2009SubaruImpreza2.5LH4N/AKoyorad Radiator
2009SubaruLegacy2.5LH4N/A—
2009SubaruOutback2.5LH4N/A—
2008SubaruImpreza2.5LH4N/AKoyorad Radiator
2008SubaruLegacy2.5LH4N/A—
2008SubaruOutback2.5LH4N/A—
2007SubaruLegacy2.5LH4N/A—
2007SubaruOutback2.5LH4N/A—
2006SubaruLegacy2.5LH4N/A—
2006SubaruOutback2.5LH4N/A—
2005SubaruLegacy2.5LH4N/A—
2005SubaruOutback2.5LH4N/A—