Denso 221-3400 Radiator

Overview of the Denso 221-3400 Radiator for Nissan Frontier and Xterra

The Denso 221-3400 radiator is engineered specifically for Nissan Frontier and Xterra models, providing reliable cooling performance. Designed with precise core dimensions and integrated transmission oil cooler, this radiator supports optimal engine temperature management.

• Core Height: 17.75 inches
• Core Width: 27.187 inches
• Core Thickness: 1.0 inch
• Inlet Diameter: 1.375 inches
• Outlet Diameter: 1.375 inches
• Includes Transmission Oil Cooler

Detailed Radiator Specifications and Features

This Denso radiator (part number 221-3400) features a core height of 17.75 inches and a width of 27.187 inches, providing a substantial surface area for effective heat dissipation. The 1-inch core thickness balances cooling capacity with fitment requirements. Both the inlet and outlet diameters measure 1.375 inches, ensuring compatibility with the vehicle’s cooling system hoses. An integrated transmission oil cooler is included, which helps maintain transmission fluid temperature, enhancing transmission longevity and performance in Nissan Frontier and Xterra vehicles.

Compatible Nissan Models and Applications

This radiator is compatible with Nissan Frontier and Nissan Xterra models, making it a suitable replacement for vehicles requiring a direct-fit cooling solution. The Denso 221-3400 radiator supports the cooling system by managing engine heat and transmission fluid temperature, which is critical for vehicle operation under various driving conditions.

• Overheating issues due to radiator core damage or clogging
• Transmission fluid overheating affecting shifting performance
• Leaks or cracks in the radiator core or tanks
• Reduced cooling efficiency from corrosion or wear
• Replacement during engine cooling system upgrades or repairs

Installation Notes and Tips

When installing the Denso 221-3400 radiator, ensure all hose connections match the 1.375-inch inlet and outlet diameters for a secure fit. Properly drain and dispose of old coolant and transmission fluid before removal. Inspect and replace any worn hoses or clamps to prevent leaks. Bleed the cooling system after installation to remove air pockets and verify the transmission oil cooler connections are secure to maintain fluid flow.

Quality Assurance and Warranty Information

Denso radiators are manufactured to meet OEM specifications, ensuring reliable fit and function for Nissan Frontier and Xterra vehicles. The 221-3400 radiator undergoes rigorous quality control testing to verify durability and performance. Warranty coverage details should be confirmed with the distributor or manufacturer, typically covering defects in materials and workmanship.