Koyorad
Koyorad Radiator

Koyorad A2342 Radiator

Brand Koyorad A2342
Core Height 21.25
Core Material Aluminum
Core Row Quantity 1
Core Thickness 1.3125
Core Width 25.0625
Inlet Diameter 1.5
Outlet Diameter 1.5
Tank Material Plastic
Title Koyorad a2342 radiator
Product line Koyorad Radiator
Fits Ford and Mercury · 18 vehicles

OE equivalent radiator. Built to match original equipment standards for a straightforward replacement.

Aluminum core. Helps promote efficient heat transfer in a lightweight design.

Single-row construction. A simple radiator design focused on reliable cooling performance.

$158.05Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
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Step 2 — Quantity
Order total $158.05
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Koyorad A2342 Radiator for Explorer and Mountaineer

The Koyorad A2342 radiator is an OE-equivalent replacement built for 2002-2005 Ford Explorer and Mercury Mountaineer applications, plus 2002-2003 Ford Explorer Sport and Explorer Sport Trac models with an external oil cooler. It uses an aluminum core with plastic tanks to match common factory-style cooling system layouts and restore dependable heat transfer.

Key Features

  • Aluminum core construction for efficient coolant heat dissipation
  • Plastic tank design for OE-style fitment and serviceability
  • Single-row core configuration
  • Core dimensions: 21.25 in. height, 25.0625 in. width, 1.3125 in. thickness
  • 1.5 in. inlet and 1.5 in. outlet diameters
  • Fits 2002-2005 Ford Explorer and 2002-2005 Mercury Mountaineer
  • Fits 2002-2003 Ford Explorer Sport and Explorer Sport Trac with external oil cooler
  • Koyorad A2342 radiator for OE-style cooling system replacement

Detailed Description

Koyorad Radiator A2342 is engineered as a direct replacement radiator for select Ford and Mercury SUVs and trucks. The aluminum core supports efficient coolant flow and heat exchange, while the plastic tank construction follows the factory-style layout used on many original cooling assemblies. For buyers searching for a radiator for 2002-2005 Ford Explorer, 2002-2005 Mercury Mountaineer, or a Koyorad A2342 radiator for 2002-2003 Explorer Sport Trac with external oil cooler, this part provides a focused fitment match.

Koyorad builds replacement radiators with OE-equivalent specifications and manufacturing experience aimed at accurate fit and reliable cooling performance. The A2342 is a practical choice when replacing a worn, leaking, or inefficient radiator in compatible Explorer and Mountaineer platforms.

What This Radiator Helps Address

  • Coolant leaks from a cracked or corroded radiator
  • Overheating caused by reduced heat transfer
  • Temperature instability during stop-and-go driving
  • Restricted coolant circulation from an aging radiator core
  • Replacement needs after tank or seam failure

Installation Notes and Tips

Verify radiator dimensions, inlet and outlet size, and vehicle configuration before installation. This part is listed for 2002-2003 Ford Explorer Sport and Explorer Sport Trac models with an external oil cooler, so confirm that equipment match before ordering. Inspect hoses, clamps, and coolant condition during replacement to help complete the cooling system service correctly.

Quality Assurance

Koyorad focuses on OE-equivalent radiator replacement parts and uses manufacturing know-how developed for accurate, application-specific cooling system fitment. Part number A2342 is built to meet the needs of the listed Ford Explorer and Mercury Mountaineer applications.

This part fits 18 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2005FordExplorer4.6LV8N/A—
2005MercuryMountaineer4.0LV6N/A—
2005MercuryMountaineer4.6LV8N/A—
2004FordExplorer4.6LV8N/A—
2004MercuryMountaineer4.0LV6N/A—
2004MercuryMountaineer4.6LV8N/A—
2003FordExplorer4.0LV6N/A—
2003FordExplorer4.6LV8N/A—
2003FordExplorer Sport4.0LV6N/AExternal Oil Cooler; Koyorad Radiator
2003FordExplorer Sport Trac4.0LV6N/AExternal Oil Cooler; Koyorad Radiator
2003MercuryMountaineer4.0LV6N/A—
2003MercuryMountaineer4.6LV8N/A—
2002FordExplorer4.0LV6N/A—
2002FordExplorer4.6LV8N/A—
2002FordExplorer Sport4.0LV6N/AExternal Oil Cooler; Koyorad Radiator
2002FordExplorer Sport Trac4.0LV6N/AExternal Oil Cooler; Koyorad Radiator
2002MercuryMountaineer4.0LV6N/A—
2002MercuryMountaineer4.6LV8N/A—