Denso 221-3709 Radiator

Reliable Radiator Replacement for Kia Rio and Rio5

The Denso 221-3709 radiator is designed to provide efficient cooling performance for Kia Rio and Rio5 models. Engineered with precise core dimensions and integrated transmission oil cooler, this radiator supports optimal engine temperature management.

Key Features of the Denso 221-3709 Radiator

• Core Height: 14.562 inches
• Core Width: 24.937 inches
• Core Thickness: 0.625 inches
• Transmission Oil Cooler Included for enhanced cooling
• Inlet and Outlet Diameter: 0.937 inches each

Detailed Description of the Denso Radiator

This radiator features a robust core measuring 14.562 inches in height, 24.937 inches in width, and 0.625 inches in thickness, ensuring effective heat dissipation. The inclusion of a transmission oil cooler supports the cooling of transmission fluid, which is critical for maintaining transmission performance and longevity. Both the inlet and outlet ports have a diameter of 0.937 inches, compatible with the original equipment specifications for Kia Rio and Rio5 vehicles. The Denso 221-3709 radiator is engineered to meet the thermal demands of these models, helping to prevent overheating and maintain consistent engine operation.

Common Applications and Issues Addressed

• Replacement for leaking or damaged radiator in Kia Rio and Rio5
• Resolves engine overheating caused by inefficient cooling
• Addresses transmission fluid overheating with integrated oil cooler
• Fixes coolant leaks due to corrosion or physical damage
• Restores proper coolant flow and pressure within the cooling system

Installation Notes and Tips

Ensure the radiator core dimensions and inlet/outlet diameters match your Kia Rio or Rio5 specifications before installation. Properly flush the cooling system to remove debris and old coolant. Check all hose connections and clamps for secure fitment to prevent leaks. It is recommended to inspect the transmission fluid level and condition when replacing the radiator with an integrated transmission oil cooler.

Quality Assurance and Warranty

Denso radiators are manufactured to meet OEM standards for durability and performance. The 221-3709 radiator undergoes rigorous quality control to ensure reliable operation. Please refer to Denso's warranty policy for specific coverage details related to this radiator model.