Denso 221-3401 Radiator

Overview of the Denso Radiator 221-3401 for Infiniti I35 and Nissan Maxima

The Denso radiator part number 221-3401 is designed specifically for Infiniti I35 and Nissan Maxima models. This radiator includes a transmission oil cooler, making it a comprehensive cooling solution for these vehicles.

• Core Height: 15.75 inches
• Core Width: 27.062 inches
• Core Thickness: 0.625 inches
• Inlet Diameter: 1.375 inches
• Outlet Diameter: 1.375 inches
• Includes Transmission Oil Cooler

Detailed Specifications and Features

The Denso 221-3401 radiator features a core height of 15.75 inches and a core width of 27.062 inches, providing ample surface area for efficient heat dissipation. Its core thickness of 0.625 inches supports effective coolant flow and thermal management. Both the inlet and outlet diameters measure 1.375 inches, ensuring compatibility with the original vehicle hoses. The integrated transmission oil cooler helps maintain optimal transmission fluid temperature, contributing to overall vehicle performance and longevity.

Compatible Vehicles and Applications

This radiator is compatible with Infiniti I35 and Nissan Maxima models, making it suitable for owners seeking a direct replacement radiator that meets OEM specifications. The inclusion of the transmission oil cooler makes it ideal for vehicles equipped with automatic transmissions requiring integrated cooling solutions.

• Overheating issues due to radiator core damage or clogging
• Transmission fluid overheating in automatic transmission systems
• Leaks or cracks in the original radiator
• Reduced cooling efficiency affecting engine performance
• Corrosion or physical damage to radiator fins or tubes

Installation Notes and Tips

When installing the Denso 221-3401 radiator, ensure all hose connections match the 1.375-inch inlet and outlet diameters for a secure fit. It is recommended to drain the coolant and transmission fluid before removal of the old radiator. Inspect and replace any worn hoses or clamps to prevent leaks. Properly bleed the cooling system after installation to avoid air pockets and ensure optimal cooling performance.

Quality Assurance and Warranty Information

Denso radiators are manufactured to meet strict quality standards and OEM specifications. The 221-3401 radiator undergoes rigorous testing to ensure durability and reliable performance. While specific warranty details may vary, Denso typically offers a limited warranty covering defects in materials and workmanship. Consult the product documentation or manufacturer for exact warranty terms.