Kia Optima Radiators and Coolers
This page brings together radiators and coolers for the Kia Optima, covering model years 2001–2020. The range includes OE replacement radiators, automatic transmission oil coolers, radiator supports, and radiator caps in direct-fit and heavy-duty styles. Pick your Kia Optima's year above to narrow the list to radiators and coolers with confirmed fitment. Every part shown is checked against our vehicle data.
Four Seasons 53005 Rapid-Cool Plate and Fin Transmission Oil Cooler
Derale Performance 15302 Replacement Oil Cooler Core 6-Pass Tube & Fin
Hayden Automotive 210 Quik-Mount Nylon Mounting Kit for Transmission Coolers and Electric Fans
Hayden Automotive 251 Transmission Cooler Reinstallation Kit with Quick Connect
Hayden Automotive 253 Transmission Oil Cooler Mounting Bracket Kit
Hayden Automotive 153 Metal Mounting Bracket Kit for Transmission and Oil Coolers
What's here for your Kia Optima
- Radiators — OE replacement, performance, and heavy-duty options in direct-fit and universal configurations
- Automatic Transmission Oil Coolers — standalone units and kit configurations
- Radiator Supports — front-mounted structural brackets and assemblies
- Radiator Caps — direct-fit replacement caps for the cooling system
The widest selection here comes from DENSO, Hayden Automotive, Keystone, and Dorman, covering a broad spread of styles and fitment types across the 2001–2020 Kia Optima range. Other categories Kia Optima owners shop for: Kia Optima Brake Rotors and Drums, Kia Optima Shocks and Struts and Kia Optima Springs and Suspension Parts, or browse all Kia Optima parts and accessories.