Koyorad A13605 Radiator

Koyorad A13605 Radiator for Kia Optima

The Koyorad A13605 radiator is an OE-equivalent replacement built for 2016-2019 Kia Optima applications. It uses an aluminum core with plastic tanks to match common factory-style cooling system construction and support dependable heat transfer.

Key Features

• Fits 2016-2019 Kia Optima, N/A
• Part number: A13605
• Aluminum core construction
• Single-row core design
• Core dimensions: 18.3125 in. height x 19.5 in. width x 1 in. thickness
• 1.375 in. inlet and 1.375 in. outlet diameters
• Plastic tank material

Detailed Description

Koyorad A13605 is a direct-fit radiator for Kia Optima models from 2016 through 2019. The aluminum core and plastic tank design follows OE-style construction, while the single-row core layout supports efficient coolant flow in a compact package. For buyers searching for a 2016-2019 Kia Optima radiator replacement, A13605 provides the key dimensions and connection sizes needed for a proper match. The part number A13605 is also useful when cross-checking catalog listings for the same application.

Common Cooling System Issues

• Coolant leaks from a damaged radiator core or tank
• Overheating caused by restricted coolant flow
• Cracked or aging plastic end tanks
• Corrosion or wear in the original radiator assembly
• Reduced cooling performance in a high-mileage Kia Optima

Installation Notes and Tips

Verify core height, core width, thickness, and inlet/outlet diameters before installation. Confirm the vehicle is a 2016-2019 Kia Optima and compare the original radiator layout to the A13605 unit before removal. Inspect hoses, clamps, and coolant condition during replacement to help complete the repair correctly.

Quality Assurance

Koyorad manufactures OE-equivalent radiators using technical experience focused on replacement fit and function. The A13605 is built to meet the needs of drivers replacing a worn or leaking radiator in a Kia Optima cooling system.