Denso 221-3407 Radiator

Overview of the Denso Radiator 221-3407 for Nissan Vehicles

The Denso Radiator part number 221-3407 is designed specifically for Nissan Altima and Maxima models. This radiator ensures efficient engine cooling with precise dimensions and integrated features tailored to these vehicles.

• Core Height: 26.5 inches
• Core Width: 15.812 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 Radiator 221-3407 features a core height of 26.5 inches and a width of 15.812 inches, providing ample surface area for heat dissipation. Its core thickness of 0.625 inches balances cooling efficiency with durability. Both the inlet and outlet diameters measure 1.375 inches, ensuring compatibility with the Nissan Altima and Maxima cooling systems. An integrated transmission oil cooler is included, which helps maintain optimal transmission fluid temperatures, contributing to overall vehicle performance and longevity.

About the Denso Radiator Product Line

The Denso Radiator product line focuses on delivering reliable cooling components engineered to meet or exceed OEM specifications. Radiators in this line are designed with precise core dimensions and integrated features like transmission oil coolers to support vehicle-specific cooling requirements. The 221-3407 radiator exemplifies this approach by combining exact fitment with functional enhancements for Nissan vehicles.

Common Applications and Problem Resolution

• Replaces leaking or damaged radiator cores in Nissan Altima and Maxima models
• Addresses overheating issues caused by inefficient heat dissipation
• Resolves transmission fluid overheating with the built-in oil cooler
• Fixes coolant leaks from worn or corroded radiator components
• Improves engine cooling system reliability and performance

Installation Notes and Tips

When installing the Denso Radiator 221-3407, ensure all hose connections match the 1.375-inch inlet and outlet diameters for a secure fit. Verify compatibility with the vehicle’s transmission oil cooler lines to maintain proper fluid flow. It is recommended to flush the cooling system before installation to remove debris and contaminants. Properly torque mounting bolts and check for leaks after installation to ensure optimal operation.

Quality Assurance and Warranty

Denso radiators are manufactured to meet strict quality standards, ensuring durability and performance. The 221-3407 radiator undergoes rigorous testing to confirm fitment and cooling efficiency for Nissan Altima and Maxima models. Warranty coverage details should be confirmed with the original equipment manufacturer or authorized distributor.