Universal Air RA13709C Radiator

Crossflow Radiator for Kia and Hyundai

Universal Air RA13709C is a crossflow radiator for select Kia Optima and Hyundai Sonata applications. It is built for direct cooling-system replacement on vehicles that need a radiator matched to the listed fitment.

Key Features

• Crossflow radiator design for efficient coolant circulation
• Fits 2017-2020 Kia Optima, N/A
• Fits 2016-2019 Hyundai Sonata, N/A
• Part number RA13709C for accurate ordering and catalog lookup
• Universal Air Crossflow Radiator line for radiator replacement needs

Detailed Description

Universal Air RA13709C is a replacement radiator in the Crossflow Radiator line, made for vehicles listed in the fitment data. Use it when replacing a leaking, clogged, or damaged radiator on a 2017-2020 Kia Optima or a 2016-2019 Hyundai Sonata. The crossflow layout supports standard engine cooling system service and helps restore proper coolant flow through the radiator assembly. Search terms such as Kia Optima crossflow radiator replacement, Hyundai Sonata radiator replacement, and RA13709C radiator fitment all point to this application.

What It Is Used For

• Replacing a radiator with coolant leakage
• Addressing overheating caused by restricted coolant flow
• Restoring cooling performance after radiator core damage
• Repairing corrosion-related radiator failure
• Servicing a damaged radiator on Kia Optima or Hyundai Sonata models

Installation Notes and Tips

Verify the vehicle year and model against the listed fitment before installation. Confirm hose routing, mounting points, and cooling-system connections match the original radiator configuration. Flush the cooling system and inspect related components such as hoses, clamps, and the thermostat during radiator replacement. Part number RA13709C should be matched to the application before installation.