Denso 221-9543 Radiator

Overview of the Denso Radiator 221-9543

The Denso radiator 221-9543 is designed specifically for select Hyundai and Kia models, including the Azera, Cadenza, Optima, and Sonata. Engineered to meet precise cooling requirements, this radiator ensures efficient heat dissipation to maintain optimal engine temperature.

• Core Height: 25.0000 inches
• Core Width: 18.3858 inches
• Core Thickness: 0.6299 inches
• Inlet Diameter: 1.3780 inches
• Outlet Diameter: 1.3780 inches

Technical Specifications and Design Details

This radiator features a core height of 25 inches and a width of approximately 18.4 inches, providing a substantial surface area for effective cooling. The core thickness of 0.63 inches supports efficient coolant flow and heat exchange. Both the inlet and outlet diameters measure 1.378 inches, ensuring compatibility with the original cooling system hoses on Hyundai Azera, Kia Cadenza, Optima, and Sonata models. The precise dimensions help maintain proper coolant circulation and prevent overheating under normal operating conditions.

Compatible Vehicles and Applications

This Denso radiator 221-9543 is compatible with the following vehicles:

• Hyundai Azera
• Hyundai Sonata
• Kia Cadenza
• Kia Optima

It is designed to replace the factory radiator in these models, supporting the vehicle’s cooling system to prevent engine overheating and maintain performance.

Common Issues Addressed by This Radiator

• Engine overheating due to radiator core damage or clogging
• Coolant leaks from cracked or corroded radiator cores
• Reduced cooling efficiency from worn or damaged radiator components
• Inadequate coolant flow caused by incorrect radiator dimensions
• Failure of original radiator leading to engine performance issues

Installation Notes and Tips

When installing the Denso radiator 221-9543, ensure that the inlet and outlet hose diameters match the vehicle’s existing hoses for a secure fit. Properly flush the cooling system before installation to remove debris and contaminants. Verify that mounting points align with the vehicle’s frame to avoid stress on the radiator core. It is recommended to inspect and replace any worn hoses or clamps during installation to maintain system integrity.

Quality Assurance and Warranty

Denso radiators are manufactured to meet OEM specifications, ensuring reliable performance and durability. While specific warranty details for part number 221-9543 should be confirmed with the supplier or manufacturer, Denso products typically come with a limited warranty covering defects in materials and workmanship.