Denso 221-3124 Radiator

Overview of the Denso Radiator for Toyota 4Runner

The Denso 221-3124 radiator is engineered specifically for Toyota 4Runner models, providing reliable cooling performance. Designed with precise core dimensions and integrated transmission oil cooler, this radiator supports efficient engine operation under various driving conditions.

• Core Height: 25.5620 inches
• Core Width: 23.2500 inches
• Core Thickness: 1.4370 inches
• Inlet Diameter: 1.5000 inches
• Outlet Diameter: 1.5000 inches
• Includes Transmission Oil Cooler

Detailed Radiator Specifications and Features

This Denso radiator, part number 221-3124, features a robust core measuring 25.5620 inches in height, 23.2500 inches in width, and 1.4370 inches in thickness. The uniform inlet and outlet diameters of 1.5 inches ensure compatibility with the Toyota 4Runner’s cooling system plumbing. The inclusion of a transmission oil cooler enhances heat dissipation for the transmission fluid, contributing to overall vehicle durability and performance.

Compatible Vehicles and Application

This radiator is compatible with Toyota 4Runner models, designed to meet the specific cooling requirements of this vehicle. Using the Denso 221-3124 radiator helps address common cooling system issues such as:

• Engine overheating due to inefficient heat exchange
• Transmission fluid overheating affecting transmission performance
• Coolant leaks from damaged or worn radiators
• Reduced engine efficiency caused by clogged or corroded cores
• Inadequate cooling capacity in demanding driving conditions

Installation Notes and Tips

When installing the Denso 221-3124 radiator on a Toyota 4Runner, ensure all hose connections match the 1.5-inch inlet and outlet diameters for a secure fit. Verify that the transmission oil cooler lines are properly connected to maintain transmission cooling. It is recommended to flush the cooling system before installation to remove debris and prevent contamination. Proper torque specifications should be followed to avoid damage to mounting points.

Quality Assurance and Warranty Information

Denso radiators are manufactured to meet OEM standards, ensuring durability and reliable performance. The 221-3124 radiator undergoes rigorous quality control to maintain consistent core dimensions and material integrity. While specific warranty details may vary, Denso typically offers coverage against manufacturing defects, providing confidence in the product’s longevity and function.