Denso 221-4404 Radiator

Overview of the Denso Radiator for Nissan 350Z

The Denso 221-4404 radiator is engineered specifically for the Nissan 350Z, 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 Thickness: 0.625 inches
• Core Width: 29.00 inches
• Transmission Oil Cooler Included
• Inlet Diameter: 1.437 inches
• Outlet Diameter: 1.437 inches

Detailed Radiator Specifications and Features

This Denso radiator (part number 221-4404) features a core height of 15.75 inches and a core width of 29 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 Nissan 350Z. Additionally, the integrated transmission oil cooler supports the vehicle’s transmission system by maintaining proper fluid temperature, which is critical for transmission longevity and performance.

Compatible Vehicles and Application

This radiator is compatible with Nissan 350Z models, designed to meet the cooling requirements of this specific make and model. It is suitable for those seeking a direct replacement radiator that maintains factory fit and function.

• Overheating issues due to radiator core damage or clogging
• Coolant leaks from cracked or corroded radiator tanks
• Transmission fluid overheating caused by a faulty or missing transmission oil cooler
• Reduced engine cooling efficiency from worn or undersized radiators
• Replacement during routine maintenance or engine rebuilds

Installation Notes and Tips

When installing the Denso 221-4404 radiator on a Nissan 350Z, ensure all hose connections match the 1.437-inch inlet and outlet diameters for a secure fit. Verify that the transmission oil cooler lines are properly connected to avoid fluid leaks. It is recommended to flush the cooling system before installation to remove any debris and to refill with the appropriate coolant mixture. Proper torque specifications should be followed for mounting bolts to prevent damage.

Quality Assurance and Warranty Information

Denso radiators are manufactured to meet OEM standards, ensuring durability and reliable performance. The 221-4404 radiator undergoes rigorous quality control testing to verify core integrity and cooling efficiency. Warranty coverage details should be confirmed with the distributor or manufacturer, as they may vary by region.