Part #: 13604C

Global Parts 13604C Radiator

⚙️ 5 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Kia, Optima
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Overview of Global Parts Radiator 13604C for Kia Optima

The Global Parts radiator 13604C is designed specifically for Kia Optima models, providing reliable cooling performance. Engineered with durable aluminum core and plastic tanks, this radiator supports efficient engine temperature regulation and includes an integrated engine oil cooler.

  • Core dimensions: 18.31 inches height, 18.88 inches width, 1.02 inches thickness
  • Constructed with an aluminum core and plastic tanks for durability and heat dissipation
  • Single core row with 81 fins per 4 inches for optimized airflow
  • Cross flow design enhances cooling efficiency
  • Includes engine oil cooler with tube fittings and 0.39 inch fitting diameter
  • Inlet diameter measures 1.38 inches, compatible with Kia Optima cooling system

Detailed Radiator Specifications and Features

This Global Parts radiator 13604C features a cross flow core design that improves coolant flow and heat exchange efficiency. The aluminum core material offers lightweight strength and effective thermal conductivity, while the plastic tanks reduce overall weight and resist corrosion. The radiator core measures 18.31 inches in height, 18.88 inches in width, and 1.02 inches in thickness, with a single core row and 81 fins every 4 inches to maximize cooling surface area. The integrated engine oil cooler includes tube fittings spaced 14.57 inches apart, with a fitting diameter of 0.39 inches, supporting engine oil temperature regulation without the need for a separate cooler. The inlet diameter of 1.38 inches ensures proper fitment with the Kia Optima's cooling system.

Applications and Common Issues Addressed

  • Replacement for damaged or leaking radiators in Kia Optima vehicles
  • Resolves engine overheating caused by inefficient cooling
  • Addresses coolant leaks due to cracked or corroded radiator tanks
  • Improves engine oil cooling performance with integrated oil cooler
  • Restores proper coolant flow and temperature regulation in the cooling system

Installation Notes and Tips

Ensure compatibility with your Kia Optima model year before installation. Carefully drain the cooling system and engine oil before removing the old radiator. Verify all hose connections and fittings match the 1.38 inch inlet diameter and tube fitting specifications. Inspect and replace any worn hoses or clamps during installation to prevent leaks. Properly bleed the cooling system after installation to avoid air pockets and ensure optimal performance.

Quality Assurance and Warranty Information

Global Parts radiators are manufactured to meet OEM standards for fit, form, and function. The 13604C radiator undergoes quality control inspections to ensure durability and performance. This radiator includes an integrated engine oil cooler to maintain engine operating temperatures. Warranty coverage details should be confirmed with the distributor or retailer at the time of purchase.

BrandGlobal Parts
Part Number13604C
Core Height18.31
Core Height465.07
Core Thickness1.02
Core Thickness25.91
Core Width18.88
Core Width479.55
Core MaterialAluminum
Tank MaterialPlastic
Transmission Oil Cooler IncludedNo
Core Row Quantity1
Inlet Diameter1.38
Inlet Diameter35.05
Engine Oil Cooler IncludedYes
Engine Oil Cooler Fitting Diameter0.39
Down Flow Or Cross Flow TypeCross flow
Engine Oil Cooler Fitting TypeTube fitting
Engine Oil Cooler Fittings Distance Apart14.57
Core Fin Quantity81 (every 4")

This part fits 5 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2020KiaOptima2.0LL4GASN/A
2019KiaOptima2.0LL4GASN/A
2018KiaOptima2.0LL4GASN/A
2017KiaOptima2.0LL4GASN/A
2016KiaOptima2.0LL4GASN/A

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

This part directly replaces or is cross-referenced with the following part numbers:

10398313604187325310-C125025310C1250387241-1360441136048013604CU13604KI3010165NR13604CPR13604ARA13604RA13604C

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.