Part #: A2309

Koyorad A2309 Radiator

Koyorad Radiator
⚙️ 13 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Koyorad Radiator
🚗Fitment: Ford and Mercury, Explorer, Explorer Sport, Explorer Sport Trac, and Mountaineer
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Overview of the Koyorad A2309 Radiator

The Koyorad A2309 radiator is engineered for reliable cooling performance in Ford and Mercury SUVs. Designed specifically for models like the Explorer, Explorer Sport, Explorer Sport Trac, and Mountaineer, this radiator supports efficient engine and transmission cooling.

  • Core dimensions: 20.75 inches height, 25.25 inches width, 1 inch thickness
  • Constructed with a durable aluminum core for effective heat dissipation
  • Single core row design optimized for cooling efficiency
  • Plastic tank material for corrosion resistance and weight reduction
  • Includes an internal transmission oil cooler with a 1.625-inch diameter
  • 1.5-inch inlet and outlet diameters for coolant flow
  • Compatible with Ford Explorer, Explorer Sport, Explorer Sport Trac, and Mercury Mountaineer

About the Koyorad Radiator Product Line

The Koyorad Radiator line focuses on delivering quality cooling components that meet or exceed OEM specifications. This product line emphasizes durable materials such as aluminum cores and plastic tanks to balance performance and longevity. The A2309 radiator is part of this line, offering integrated transmission oil cooling to support vehicle reliability under various driving conditions.

Detailed Product Description

The Koyorad A2309 radiator features a single-row aluminum core measuring 20.75 inches in height, 25.25 inches in width, and 1 inch thick. The aluminum core provides efficient heat transfer to maintain optimal engine temperatures. The plastic tanks reduce weight and resist corrosion, contributing to the radiator's durability. This radiator includes an internal transmission oil cooler with a 1.625-inch diameter, which helps regulate transmission fluid temperature, enhancing transmission performance and longevity. The inlet and outlet diameters are both 1.5 inches, ensuring proper coolant flow through the system.

Applications and Common Issues Addressed

  • Replacement for leaking or damaged radiators in Ford Explorer and Mercury Mountaineer vehicles
  • Resolves overheating issues caused by inefficient cooling systems
  • Addresses transmission fluid overheating with integrated oil cooler
  • Prevents coolant leaks from worn or cracked plastic tanks
  • Improves engine cooling performance in Explorer Sport and Sport Trac models

Installation Notes and Tips

When installing the Koyorad A2309 radiator, ensure all hose connections match the 1.5-inch inlet and outlet diameters. Verify compatibility with your specific Ford or Mercury model year and engine configuration. Properly bleed the cooling system after installation to avoid air pockets. Inspect transmission lines connected to the internal oil cooler for secure fittings and no leaks.

Quality Assurance and Warranty

The Koyorad A2309 radiator is manufactured to meet OEM standards for fit, form, and function. The use of aluminum core and plastic tanks ensures durability and corrosion resistance. While specific warranty details are not provided, Koyorad products typically come with manufacturer-backed quality assurance to support reliable operation in compatible Ford and Mercury vehicles.

BrandKoyorad
Part NumberA2309
PositionKoyorad Radiator
Core Height20.75
Core MaterialAluminum
Core Row Quantity1
Core Thickness1
Core Width25.25
Inlet Diameter1.5
Internal Transmission Oil CoolerYes
Outlet Diameter1.5
Tank MaterialPlastic
TitleKoyorad a2309 radiator
Transmission Oil Cooler Diameter1.625
Transmission Oil Cooler IncludedYes

This part fits 13 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2003FordExplorer4.0LV6N/A
2003FordExplorer Sport4.0LV6N/ASOHC; Koyorad Radiator
2003FordExplorer Sport Trac4.0LV6N/ASOHC; Koyorad Radiator
2002FordExplorer4.0LV6N/A
2002FordExplorer Sport4.0LV6N/ASOHC; Koyorad Radiator
2002FordExplorer Sport Trac4.0LV6N/ASOHC; Koyorad Radiator
2001FordExplorer4.0LV6N/A
2001FordExplorer Sport4.0LV6N/ASOHC; Koyorad Radiator
2001FordExplorer Sport Trac4.0LV6N/ASOHC; Koyorad Radiator
2001MercuryMountaineer4.0LV6N/A
2000FordExplorer4.0LV6N/A
2000FordExplorerN/A
2000MercuryMountaineer4.0LV6N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.