Koyorad A13051-1 Radiator

Brand Koyorad A13051-1
Core Height 13.375
Core Material Aluminum
Core Thickness 0.625
Core Width 27.9375
Inlet Diameter 1.5
Outlet Diameter 1.5
Tank Material Plastic
Title Koyorad A13051-1 Radiator
Transmission Oil Cooler Diameter 1.25
Fits Subaru and Saab · 10 vehicles

OE equivalent replacement. Built to match the original radiator’s function and fit.

Aluminum core. Helps transfer heat efficiently for dependable cooling performance.

Single-row design. Balances cooling capacity with a compact radiator construction.

$187.34Free shipping
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Koyorad A13051-1 Radiator for Subaru and Saab

The Koyorad A13051-1 radiator is an OE-equivalent replacement built for direct-fit cooling service on select Subaru Impreza and Saab 9-2X applications. It uses an aluminum core with plastic tanks to match common factory-style construction while supporting dependable heat transfer and everyday drivability.

Key Features

  • OE-style radiator replacement from Koyorad
  • Aluminum core construction for efficient cooling performance
  • Plastic tank design for factory-style fitment
  • Single-row core layout
  • 1.5 in. inlet and 1.5 in. outlet diameters
  • Integrated transmission oil cooler connection with 1.25 in. diameter
  • Core dimensions: 13.375 in. height, 27.9375 in. width, 0.625 in. thickness

Detailed Description

Built for 2002-2007 Subaru Impreza and 2006 Saab 9-2X applications, the Koyorad A13051-1 radiator is a direct replacement for vehicles that need a factory-style cooling system component. The aluminum core helps transfer heat efficiently, while the plastic tanks follow the OE-equivalent construction commonly used in original equipment radiators. For shoppers searching for a 2002-2007 Subaru Impreza radiator or a 2006 Saab 9-2X radiator, this part number provides a focused fitment match. The Koyorad A13051-1 is also a practical choice when replacing a worn radiator on Subaru Impreza and Saab 9-2X models that use the listed inlet, outlet, and transmission cooler dimensions.

Common Reasons for Replacement

  • Coolant leaks from cracked tanks or aged seams
  • Restricted cooling performance from internal buildup
  • Overheating caused by a damaged radiator core
  • Transmission cooler connection issues at the radiator
  • Physical damage from road debris or front-end impact

Installation Notes and Tips

Verify inlet and outlet diameter, core size, and transmission oil cooler connection before installation. Confirm vehicle fitment by year and model, especially when sourcing a radiator for a 2002-2007 Subaru Impreza or 2006 Saab 9-2X. Inspect hoses, clamps, and coolant condition during replacement to help ensure a proper seal and stable cooling system operation. The part number A13051-1 should be matched to the vehicle’s cooling system layout before installation.

Quality Assurance

Koyorad states that its radiators are built as OE-equivalent replacements using technical manufacturing experience focused on correct fit and reliable replacement performance. Part number A13051-1 reflects that OE-style approach for select Subaru and Saab applications.

This part fits 10 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersPositionNotes
2007SubaruImpreza—2.5LH4N/A—
2007SubaruImprezaOutback Sport2.5LH4N/A—
2006Saab9-2X—2.5LH4N/A—
2006SubaruImpreza—2.5LH4N/A—
2006SubaruImprezaOutback Sport2.5LH4N/A—
2005SubaruImpreza—2.5LH4N/A—
2005SubaruImprezaOutback Sport2.5LH4N/A—
2004SubaruImpreza—2.5LH4N/A—
2003SubaruImpreza—2.5LH4N/A—
2002SubaruImpreza—2.5LH4N/A—