Denso 221-9420 Radiator

Overview of Denso Radiator for Mazda CX-9

The Denso 221-9420 radiator is engineered specifically for the Mazda CX-9, providing reliable cooling performance. Designed with precise core dimensions and integrated transmission oil cooler, this radiator supports optimal engine temperature management.

• Core Height: 19.69 inches
• Core Width: 30.37 inches
• Core Thickness: 1.06 inches
• Transmission Oil Cooler Included
• Inlet Diameter: 1.375 inches
• Outlet Diameter: 1.38 inches

Detailed Product Description

This Denso radiator, part number 221-9420, features a robust core measuring 19.69 inches in height, 30.37 inches in width, and 1.06 inches in thickness. The integrated transmission oil cooler enhances heat dissipation for both engine coolant and transmission fluid, which is critical for maintaining the Mazda CX-9’s performance under various driving conditions. The inlet and outlet diameters of 1.375 and 1.38 inches respectively ensure proper fluid flow and compatibility with the vehicle’s cooling system.

Compatible Applications and Use Cases

This radiator is compatible with Mazda CX-9 models requiring a direct replacement radiator with transmission oil cooler integration. It addresses common cooling system issues such as:

• Overheating due to radiator core damage or clogging
• Transmission fluid overheating affecting shifting performance
• Leaks in the radiator core or connections
• Reduced cooling efficiency from corrosion or wear

Installation Notes and Tips

When installing the Denso 221-9420 radiator on a Mazda CX-9, ensure all hose connections match the specified inlet and outlet diameters for a secure fit. It is recommended to flush the cooling system before installation to remove debris and contaminants. Verify the transmission oil cooler lines are properly connected to maintain transmission cooling functionality.

Quality Assurance and Warranty

Denso radiators are manufactured to meet OEM specifications, ensuring durability and performance. The 221-9420 radiator undergoes rigorous quality control testing. Warranty coverage details should be confirmed with the distributor or manufacturer, as it may vary by region.