2016–2020 Kia Optima Radiator CU13603 shown on a white background

2016–2020 Kia Optima Radiator CU13603

$106.95
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2016–2020 Kia Optima Radiator CU13603 shown on a white background

2016–2020 Kia Optima Radiator CU13603

$106.95

This replacement radiator fits the 2016–2020 Kia Optima in the applications listed below.

Vehicle fitment

Model years Vehicle
2016–2020 Kia Optima

Part numbers

13603, CU13603, DPI13603, 25310C1100. Compare these references with the number on your original part.

What’s included

Includes one radiator.

Specifications

  • Engine oil cooler included: yes
  • Transmission oil cooler included: No
  • Core material: Aluminum
  • Tank material: Plastic
  • Style: Crossflow
  • Row count: 1Row
  • Inlet diameter: 1.38in
  • Outlet diameter: 1.38in

Before ordering

Match the original part number, core dimensions, hose connections and cooler fittings. Confirm the engine, transmission and towing-package requirements for your vehicle.

Related parts: 2016–2020 Kia Optima cooling fan assembly and 2016–2018 Kia Optima A/C condenser. Check the engine and configuration listed for each part.

Need help matching your part? Visit our Auto Parts Desk to text or email your VIN and photos of the original part number. Browse all auto parts.

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