Denso 221-3155 Radiator

Overview of the Denso Radiator for Toyota 4Runner

The Denso 221-3155 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: 23.3750 inches
• Core Thickness: 0.6250 inches
• Inlet Diameter: 1.3750 inches
• Outlet Diameter: 1.3750 inches
• Includes Transmission Oil Cooler

Detailed Radiator Specifications and Features

This Denso radiator, part number 221-3155, features a robust core measuring 25.5620 inches in height, 23.3750 inches in width, and 0.6250 inches in thickness. The uniform inlet and outlet diameters of 1.3750 inches ensure compatibility with the Toyota 4Runner's cooling system plumbing. The inclusion of a transmission oil cooler enhances the radiator’s functionality by providing additional cooling for the transmission fluid, which is critical for maintaining transmission performance and longevity.

Compatible Vehicles and Application

This radiator is compatible with Toyota 4Runner models requiring a direct replacement radiator with integrated transmission oil cooler. It is designed to meet the exact fitment and cooling requirements of the Toyota 4Runner, ensuring proper installation and optimal cooling system performance.

• Overheating issues due to radiator core damage or clogging
• Transmission fluid overheating caused by inadequate cooling
• Leaks or cracks in the radiator core or tanks
• Reduced engine cooling efficiency impacting vehicle performance
• Replacement of worn or corroded radiator components

Installation Notes and Tips

When installing the Denso 221-3155 radiator on a Toyota 4Runner, ensure all hose connections match the 1.3750-inch inlet and outlet diameters for a secure fit. Verify that the transmission oil cooler lines are properly connected to maintain transmission fluid cooling. 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 to avoid damage to mounting points.

Quality Assurance and Warranty Information

Denso radiators are manufactured to meet OEM standards for fit, form, and function. The 221-3155 radiator undergoes rigorous quality control to ensure durability and reliable performance. While specific warranty details may vary, Denso typically offers coverage against defects in materials and workmanship, providing confidence in the product’s longevity when installed correctly on compatible Toyota 4Runner vehicles.