Denso 221-4409 Radiator

Overview of the Denso Radiator for Nissan Quest

The Denso 221-4409 radiator is engineered specifically for Nissan Quest models, providing reliable cooling performance. Designed with precise core dimensions and integrated transmission oil cooler, this radiator supports efficient engine and transmission temperature management.

• Core Height: 17.75 inches
• Core Width: 28.937 inches
• Core Thickness: 1.0 inch
• Inlet Diameter: 1.437 inches
• Outlet Diameter: 1.437 inches
• Includes Transmission Oil Cooler

Detailed Product Description

This Denso radiator, part number 221-4409, features a core height of 17.75 inches and a width of 28.937 inches, providing ample surface area for heat dissipation. The 1-inch core thickness balances cooling efficiency with compact design. Both the inlet and outlet diameters measure 1.437 inches, ensuring compatibility with the Nissan Quest's cooling system hoses. The integrated transmission oil cooler supports the vehicle’s automatic transmission by maintaining optimal fluid temperatures, which helps prevent overheating and extends transmission life.

Compatible Vehicles and Applications

This radiator is compatible with Nissan Quest models, designed to meet the specific cooling requirements of this vehicle. It is suitable for replacing worn or damaged radiators to restore proper engine and transmission cooling performance.

• Overheating engine issues
• Coolant leaks or radiator damage
• Transmission fluid overheating
• Reduced cooling efficiency
• Corroded or clogged radiator cores

Installation Notes and Tips

When installing the Denso 221-4409 radiator, ensure all hose connections match the 1.437-inch inlet and outlet diameters for a secure fit. Drain the coolant and transmission fluid before removal, and inspect hoses and clamps for wear. Properly bleed the cooling system after installation to avoid air pockets. It is recommended to replace the radiator cap and thermostat during installation for optimal system performance.

Quality Assurance and Warranty

Denso radiators are manufactured to meet OEM specifications, ensuring durability and reliable performance. The 221-4409 radiator undergoes rigorous quality control to maintain consistent cooling efficiency. Warranty coverage details should be confirmed at the point of purchase, typically including protection against defects in materials and workmanship.