Global Parts 13605C Radiator

Brand Global Parts 13605C
Core Height 18.31
Core Height 465.07
Core Thickness 1
Core Thickness 25.4
Core Width 18.88
Core Width 479.55
Core Material Aluminum
Tank Material Plastic
Transmission Oil Cooler Included No
Core Row Quantity 1
Inlet Diameter 1.38
Inlet Diameter 35.05
Outlet Diameter 1.4
Outlet Diameter 35.56
Engine Oil Cooler Included No
Down Flow Or Cross Flow Type Cross flow
Core Fin Quantity 81 (every 4")
Fits Kia · 5 vehicles

Aluminum core. Helps dissipate heat efficiently for dependable engine cooling.

Cross-flow design. Promotes steady airflow through the radiator core.

Single-row construction. Keeps the radiator compact while supporting cooling performance.

Cross-references Continental 13605, CSF 3885 and Partslink Numbering System KI3010164 for the same application. See all 11.

$187.38Free shipping
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Radiator for 2016-2020 Kia Optima

Restore engine cooling performance with Global Parts radiator 13605C for the 2016-2020 Kia Optima. This OE-style replacement radiator is built with an aluminum core and plastic tanks to help dissipate heat from the engine and maintain stable operating temperatures after the original unit fails.

  • Fits 2016-2020 Kia Optima
  • Aluminum core with plastic tank construction
  • Cross-flow design for efficient heat transfer
  • Single-row core design
  • Core dimensions: 18.31 in. H x 18.88 in. W x 1 in. T
  • Inlet diameter: 1.38 in.; outlet diameter: 1.4 in.
  • No engine oil cooler included
  • No transmission oil cooler included

Detailed Product Overview

Global Parts 13605C is a direct-fit radiator for the Kia Optima platform, covering model years 2016 through 2020. It is designed around the factory cooling layout with a cross-flow configuration, 81 fins per 4 inches, and core sizing that supports proper airflow and heat rejection in everyday driving. If you are replacing a leaking, clogged, or damaged radiator on a Kia Optima, part number 13605C provides a straightforward OE-style solution.

This part cross-references Continental 13605 and Spectra Premium CU13605 for the same application.

Common Cooling System Issues

  • Coolant leaks from a cracked or aging radiator tank
  • Engine overheating caused by restricted heat dissipation
  • Temperature fluctuations from a failing radiator core
  • Visible corrosion or damage to the radiator assembly
  • Cooling system performance loss after OEM radiator failure

Installation Notes and Tips

Verify inlet and outlet hose sizes, mounting points, and overall dimensions before installation. Flush the cooling system, inspect hoses and clamps, and refill with the correct coolant mixture after replacement. Confirm that the radiator seats properly in the factory location on the 2016-2020 Kia Optima and check for leaks after the system reaches operating temperature.

Quality Assurance

Global Parts radiator 13605C is built as a replacement cooling component for the listed Kia Optima applications, using aluminum and plastic construction to match common OE radiator design practices.

This part fits 5 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2020KiaOptima1.6LL4N/A—
2019KiaOptima1.6LL4N/A—
2018KiaOptima1.6LL4N/A—
2017KiaOptima1.6LL4N/A—
2016KiaOptima1.6LL4N/A—
Directly replaces or cross-references 11 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Continental — 13605CSF — 3885Partslink Numbering System — KI3010164Spectra Premium — CU1360541-13605102225310D52001039784113605NR13605XRA13605