Part #: A13715

Koyorad A13715 Radiator

Koyorad Radiator
5 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Koyorad Radiator
Fitment: Honda, Civic
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Koyorad A13715 Radiator for Civic Type R

The Koyorad A13715 radiator is an OE-equivalent replacement built for cooling performance and direct-fit service on select Honda Civic applications. It combines an aluminum core with plastic tanks and integrated engine and transmission oil cooling to support demanding street and track use.

Compatible with 2017 Honda Civic and 2017-2020 Honda Civic Type R, this radiator is a fitment-focused solution for owners searching for a Honda Civic radiator replacement, Koyorad A13715, or an OE-style cooling upgrade for the Civic Type R platform.

Key Features

  • Aluminum core with a single-row design for efficient heat transfer
  • Plastic tank construction
  • Integrated engine oil cooler included
  • Integrated transmission oil cooler included
  • Engine oil cooler: 1.625 in. diameter, 3 plates
  • Transmission oil cooler: 1.0625 in. diameter, 4 plates
  • Inlet and outlet diameters: 1.25 in.
  • Core dimensions: 14.75 in. height, 28.25 in. width, 1.0625 in. thickness

Product Details

Koyorad Radiator products are built around OE-equivalent replacement standards, with the technical experience needed to produce a direct-fit cooling component that matches the application requirements. The A13715 uses an aluminum core for thermal efficiency and includes internal engine oil cooling plus internal transmission oil cooling, making it a practical replacement for vehicles that rely on integrated fluid cooling in the radiator assembly.

This Koyorad A13715 radiator is a strong match for drivers looking for a Honda Civic radiator replacement that maintains factory-style cooling architecture. It is listed for 2017 Honda Civic and 2017-2020 Honda Civic Type R applications, including Type R-specific fitment.

What It Helps Address

  • Overheating caused by a worn or leaking radiator
  • Loss of coolant efficiency from damaged core tubes or tanks
  • Transmission temperature control issues tied to a failing internal cooler
  • Engine oil cooling concerns when the original radiator cooler is compromised
  • Cooling system service needs on a Honda Civic or Civic Type R

Installation Notes and Tips

Verify radiator dimensions, inlet and outlet size, and cooler connections before installation. Because this unit includes internal engine and transmission oil coolers, confirm all fluid lines are properly routed and sealed during replacement. Flush the cooling system and inspect hoses, clamps, and related seals before returning the vehicle to service.

Fits 2017 Honda Civic, N/A. Fits 2017-2020 Honda Civic Type R, N/A.

Quality Assurance

Koyorad manufactures OE-equivalent radiators using application-specific engineering and replacement-focused construction. The A13715 is built to meet the needs of the listed Honda Civic and Civic Type R fitments with the cooling features required for the application.

BrandKoyorad
Part NumberA13715
PositionKoyorad Radiator
Core Height14.75
Core MaterialAluminum
Core Row Quantity1
Core Thickness1.0625
Core Width28.25
Engine Oil Cooler Diameter1.625
Engine Oil Cooler IncludedYes
Engine Oil Cooler Number of Plates3
Inlet Diameter1.25
Internal Engine Oil CoolerYes
Internal Transmission Oil CoolerYes
Outlet Diameter1.25
Tank MaterialPlastic
TitleKoyorad a13715 radiator
Transmission Oil Cooler Diameter1.0625
Transmission Oil Cooler IncludedYes
Transmission Oil Cooler Plate Quantity4

This part fits 5 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2020HondaCivic2.0LL4N/AType R; Koyorad Radiator
2019HondaCivic2.0LL4N/AType R; Koyorad Radiator
2018HondaCivic2.0LL4N/AType R; Koyorad Radiator
2017HondaCivic2.0LL4N/A
2017HondaCivic2.0LL4GASN/AType R

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