Denso 221-9255 Radiator

Overview of Denso Radiator 221-9255 for Hyundai and Kia

The Denso radiator part number 221-9255 is designed specifically for Hyundai Optima and Kia Sonata models. This radiator includes a transmission oil cooler, ensuring efficient engine and transmission temperature management for these vehicles.

• Core Height: 18.31 inches
• Core Width: 19.91 inches
• Core Thickness: 0.63 inches
• Inlet Diameter: 1.38 inches
• Outlet Diameter: 1.38 inches
• Includes Transmission Oil Cooler

Detailed Specifications and Features

The Denso 221-9255 radiator features a core measuring 18.31 inches in height, 19.91 inches in width, and 0.63 inches in thickness, providing optimal surface area for heat dissipation. Both the inlet and outlet diameters are 1.38 inches, compatible with the cooling system connections on Hyundai Optima and Kia Sonata models. The integrated transmission oil cooler supports transmission fluid temperature regulation, which is critical for maintaining transmission performance and longevity.

Compatible Vehicles and Applications

This radiator is compatible with the following vehicles:

• Hyundai Optima
• Kia Sonata

It is engineered to replace the original radiator and transmission oil cooler assembly, addressing issues related to overheating, coolant leaks, and transmission fluid temperature control.

Common Issues Addressed by Denso Radiator 221-9255

• Engine overheating due to inefficient heat exchange
• Coolant leaks from damaged or corroded radiator cores
• Transmission overheating caused by faulty or missing transmission oil cooler
• Reduced engine performance from inadequate cooling
• Coolant contamination or blockage affecting flow

Installation Notes and Tips

• Ensure compatibility with Hyundai Optima or Kia Sonata before installation
• Inspect all hose connections and clamps for wear and replace if necessary
• Flush the cooling system to remove debris before installing the new radiator
• Check transmission fluid levels and condition after installation
• Follow manufacturer torque specifications for mounting bolts

Quality Assurance and Warranty

Denso radiators are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The 221-9255 radiator undergoes rigorous quality control testing to verify core integrity and cooling efficiency. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.