Koyorad A2779 Radiator

Koyorad A2779 Radiator for Subaru Legacy and Outback

The Koyorad A2779 radiator is an OE-equivalent replacement built for Subaru cooling system service. It is engineered with an aluminum core and plastic tanks, and it includes an internal transmission oil cooler for automatic-transmission applications.

Key Features

• Direct-fit radiator for select 2005-2009 Subaru Outback and 2008-2009 Subaru Legacy applications
• Aluminum core with a single-row design for efficient heat transfer
• Plastic tank construction for OE-style fit and function
• Internal transmission oil cooler included
• Transmission oil cooler plate design with 4 plates
• Core dimensions: 13.75 in. height, 28.125 in. width, 0.625 in. thickness
• Inlet diameter: 1.125 in.; outlet diameter: 1.5625 in.

Detailed Description

Koyorad A2779 is a replacement radiator for Subaru Legacy and Subaru Outback models that need OE-style cooling performance and transmission fluid cooling in one assembly. The aluminum core and plastic tank layout follows common factory radiator construction, while the integrated transmission oil cooler supports automatic-transmission cooling through the radiator assembly. For shoppers searching for a 2008 Subaru Legacy radiator, a 2009 Subaru Legacy radiator, or a 2005-2009 Subaru Outback radiator, this part number provides a focused fitment match. Koyorad A2779 is built for drivers replacing a leaking, clogged, or damaged radiator with a unit that matches the original cooling system layout.

What It Helps Address

• Coolant leaks from a cracked or aging radiator
• Overheating caused by restricted coolant flow
• Transmission fluid temperature control concerns tied to the radiator cooler circuit
• Corrosion or deterioration in the original radiator core or tanks
• Cooling system service on Subaru Legacy and Outback models with automatic transmission cooling

Installation Notes and Tips

Verify inlet and outlet hose diameters, core dimensions, and transmission cooler line connections before installation. Drain the cooling system fully, inspect hoses and clamps for wear, and flush the system if contamination is present. After installation, refill with the correct coolant mixture, bleed air from the system, and check for leaks at the radiator, hose connections, and transmission cooler fittings. Fits 2008-2009 Subaru Legacy, N/A. Fits 2005-2009 Subaru Outback, N/A.

Quality Assurance

Koyorad positions this radiator as an OE-equivalent replacement backed by the company’s manufacturing experience in replacement cooling components. Part number A2779 is built to meet the needs of Subaru cooling system service with the specified core and cooler configuration.