Koyorad A2778 Radiator

Overview of Koyorad A2778 Radiator for Subaru Vehicles

The Koyorad A2778 radiator is engineered to provide reliable cooling performance for select Subaru models. Designed with durable aluminum core construction and integrated transmission oil cooler, this radiator supports efficient engine and transmission temperature management.

• Core dimensions: 27.8125" width x 13.375" height x 0.625" thickness
• Aluminum core material for effective heat dissipation
• Single core row design
• Plastic tank construction for corrosion resistance
• Inlet and outlet diameters of 1.5625" for optimal coolant flow
• Includes internal transmission oil cooler with 3 plates and 1.0625" diameter lines
• Compatible with Subaru Impreza, Legacy, and Outback models

Detailed Product Description

The Koyorad A2778 radiator features a robust aluminum core measuring 27.8125 inches wide, 13.375 inches high, and 0.625 inches thick, designed to efficiently transfer heat away from the engine coolant. Its single-row core construction balances cooling capacity with compact size, suitable for the engine bays of Subaru Impreza, Legacy, and Outback vehicles. The plastic tanks provide resistance to corrosion and reduce overall weight.

Additionally, this radiator includes an integrated internal transmission oil cooler with three cooling plates and 1.0625-inch diameter transmission oil cooler lines. This feature helps maintain optimal transmission fluid temperatures, contributing to transmission longevity and performance under various driving conditions.

Applications and Common Issues Addressed

• Replacement for worn or leaking radiators in Subaru Impreza, Legacy, and Outback
• Resolves overheating caused by inefficient heat dissipation
• Addresses transmission fluid overheating with built-in oil cooler
• Prevents coolant leaks from damaged or cracked radiator tanks
• Improves engine cooling system reliability and efficiency

Installation Notes and Tips

When installing the Koyorad A2778 radiator, ensure all hose connections match the 1.5625-inch inlet and outlet diameters for proper fitment. Verify compatibility with your specific Subaru model year and transmission type. Bleed the cooling system thoroughly after installation to remove air pockets and maintain optimal coolant flow. Inspect transmission oil cooler lines for secure attachment to prevent leaks.

Quality Assurance and Warranty

Koyorad radiators are manufactured to meet OEM specifications, using high-quality aluminum cores and durable plastic tanks. The integrated transmission oil cooler is designed for reliable operation under normal driving conditions. While specific warranty details are not provided here, Koyorad products typically come with manufacturer-backed warranties covering defects in materials and workmanship.