Koyorad A2412 Radiator

Brand Koyorad A2412
Core Height 13.75
Core Material Aluminum
Core Row Quantity 1
Core Thickness 0.625
Core Width 28.4375
Inlet Diameter 1.25
Internal Transmission Oil Cooler Yes
Outlet Diameter 1.25
Tank Material Plastic
Title Koyorad a2412 radiator
Transmission Oil Cooler Diameter 1.125
Transmission Oil Cooler Included Yes
Fits Acura · 5 vehicles

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

Aluminum core. Helps shed heat efficiently with a lightweight, corrosion-resistant design.

Transmission oil cooler included. Adds integrated cooling for the transmission in one complete unit.

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Koyorad A2412 Radiator for Acura RSX

The Koyorad A2412 radiator is an OE-equivalent replacement built for 2002-2006 Acura RSX applications. It combines an aluminum core with plastic tanks and includes an internal transmission oil cooler for direct-fit cooling system service.

Key Features

  • Fits 2002-2006 Acura RSX
  • Part number A2412
  • Aluminum core with 1-row construction
  • Plastic tank design
  • Core dimensions: 13.75 in. height, 28.4375 in. width, 0.625 in. thickness
  • 1.25 in. inlet and outlet diameters
  • Internal transmission oil cooler included
  • Transmission oil cooler diameter: 1.125 in.

Detailed Description

Built for Acura RSX cooling system replacement, the Koyorad A2412 radiator follows OE-style dimensions and layout for straightforward service. The aluminum core supports efficient heat transfer, while the plastic tank construction matches common factory-style radiator design. With the internal transmission oil cooler included, this radiator is suited for RSX models that use integrated transmission fluid cooling through the radiator assembly. Koyorad applies its replacement-radiator manufacturing experience to produce a direct-fit solution for the 2002-2006 Acura RSX, and the A2412 part number is the reference to verify application before ordering.

Common Reasons for Replacement

  • Coolant leaks from a damaged radiator core or tank
  • Overheating caused by restricted or inefficient heat exchange
  • Transmission fluid cooling issues related to a failing internal cooler
  • Cracked plastic end tanks or aging hose connections
  • Corrosion or wear in the original radiator assembly

Installation Notes and Tips

Confirm radiator dimensions, inlet and outlet size, and transmission cooler connections before installation. Flush the cooling system, inspect hoses and clamps, and verify proper coolant fill and air bleeding after replacement. For fitment confirmation, this part fits 2002-2006 Acura RSX, N/A.

Quality Assurance

Koyorad manufactures OE-equivalent replacement radiators using application-specific engineering and production experience focused on correct fit and function. The A2412 is built to match the listed RSX application and cooling-system requirements.

This part fits 5 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2006AcuraRSX2.0LL4N/A—
2005AcuraRSX2.0LL4N/A—
2004AcuraRSX2.0LL4N/A—
2003AcuraRSX2.0LL4N/A—
2002AcuraRSX2.0LL4N/A—