Denso 221-3421 Radiator

Overview of Denso Radiator for Infiniti G35

The Denso 221-3421 radiator is engineered specifically for the Infiniti G35, providing reliable cooling performance. Designed with precise core dimensions and integrated transmission oil cooler, this radiator supports optimal engine temperature management.

• Core Height: 15.75 inches
• Core Width: 27.187 inches
• Core Thickness: 0.625 inches
• Inlet Diameter: 1.437 inches
• Outlet Diameter: 1.437 inches
• Includes Transmission Oil Cooler

Detailed Radiator Specifications and Features

This Denso radiator, part number 221-3421, features a core height of 15.75 inches and a width of 27.187 inches, providing a substantial surface area for heat dissipation. The core thickness of 0.625 inches ensures efficient coolant flow and heat exchange. Both the inlet and outlet diameters measure 1.437 inches, matching OEM specifications for the Infiniti G35. The integrated transmission oil cooler helps maintain transmission fluid temperature, contributing to overall vehicle performance and longevity.

Compatible Vehicles and Applications

This radiator is compatible with Infiniti G35 models, designed to meet the cooling requirements of this specific vehicle. It is suitable for those seeking a direct replacement radiator that maintains factory fit and function.

• Overheating engine issues
• Coolant leaks or damaged radiator cores
• Transmission fluid overheating
• Reduced cooling efficiency due to clogged or corroded radiator
• Replacement during engine rebuild or maintenance

Installation Notes and Tips

When installing the Denso 221-3421 radiator on an Infiniti G35, ensure all hose connections match the 1.437-inch inlet and outlet diameters. Properly flush the cooling system before installation to prevent contamination. Verify the transmission oil cooler lines are securely connected to avoid leaks. Follow manufacturer torque specifications for mounting hardware to maintain radiator integrity.

Quality Assurance and Warranty

Denso radiators are manufactured to meet or exceed OEM standards, ensuring durability and reliable performance. The 221-3421 radiator undergoes rigorous quality control testing. Warranty coverage details should be confirmed with the distributor or manufacturer, typically including protection against defects in materials and workmanship.