Koyorad A2258 Radiator

Radiator Overview

The Koyorad A2258 radiator is an OE-equivalent replacement built for cooling-system service on select Ford and Mercury applications. It combines an aluminum core with plastic tanks and includes an internal transmission oil cooler for integrated thermal management.

Key Features

• OE-equivalent radiator design for direct replacement service
• Aluminum core with a single-row construction
• Plastic tank construction for a factory-style layout
• Internal transmission oil cooler included for automatic transmission cooling
• 1.5 in. inlet and outlet diameters for matched hose connections

Detailed Description

Koyorad A2258 is a radiator replacement engineered to match the needs of cooling systems used in the Ford Freestar, Mercury Monterey, and Ford Windstar. The aluminum core measures 29.9375 in. high, 18.0625 in. wide, and 1 in. thick, with a 1.625 in. transmission oil cooler diameter. This configuration supports coolant heat transfer while also providing transmission fluid cooling through the built-in cooler. For buyers searching for a Ford Freestar radiator, Mercury Monterey radiator, or Ford Windstar radiator, A2258 offers a straightforward OE-style solution.

Koyorad focuses on replacement radiators that reflect OE-equivalent construction and application-specific fitment. Part number A2258 is intended for vehicles that use an integrated transmission cooler and standard 1.5 in. inlet and outlet connections. If you are replacing a worn or leaking radiator in a Ford Freestar, Mercury Monterey, or Ford Windstar, this part number A2258 provides the core dimensions and cooling layout needed for the application.

What It Is Used For

• Replacing a leaking or corroded radiator
• Restoring coolant temperature control
• Maintaining transmission fluid cooling through the integrated cooler
• Addressing cracked plastic tanks or aged core materials
• Servicing cooling-system wear on higher-mileage vehicles

Installation Notes and Tips

Verify hose connection sizes, cooler line routing, and radiator dimensions before installation. Confirm that the vehicle uses an internal transmission oil cooler and compare the original unit to Koyorad A2258 for a proper match. Flush the cooling system and inspect related hoses, clamps, and coolant condition during replacement.

Quality Assurance

Koyorad describes this radiator as an OE-equivalent replacement and notes its technical experience in manufacturing replacement cooling components. Part number A2258 is built to support application-specific service for the listed Ford and Mercury vehicles.