Denso 221-3139 Radiator

Overview of the Denso Radiator for Toyota Tacoma

The Denso 221-3139 radiator is engineered specifically for Toyota Tacoma 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: 21.1870 inches
• Core Width: 25.5620 inches
• Core Thickness: 0.8750 inches
• Inlet Diameter: 1.3750 inches
• Outlet Diameter: 1.3750 inches
• Includes Transmission Oil Cooler

Detailed Radiator Specifications and Features

The Denso 221-3139 radiator features a core measuring 21.1870 inches in height, 25.5620 inches in width, and 0.8750 inches in thickness, ensuring optimal heat dissipation for the Toyota Tacoma. Both the inlet and outlet diameters are 1.3750 inches, matching factory specifications for seamless integration. 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 Tacoma models, designed to meet the specific cooling requirements of this vehicle. It is suitable for replacing worn or damaged radiators to restore proper engine temperature regulation and transmission fluid cooling.

• Overheating issues due to radiator core damage or clogging
• Transmission fluid overheating caused by a faulty cooler
• Leaks or cracks in the radiator core or tanks
• Reduced cooling efficiency from corrosion or buildup
• Engine temperature fluctuations impacting performance

Installation Notes and Tips

When installing the Denso 221-3139 radiator on a Toyota Tacoma, ensure all hose connections match the 1.3750-inch inlet and outlet diameters for a secure fit. Properly flush the cooling system before installation to prevent contamination. Verify the transmission oil cooler lines are correctly connected to maintain transmission cooling. Follow manufacturer torque specifications for mounting hardware to avoid leaks or damage.

Quality Assurance and Warranty Information

Denso radiators are manufactured to meet OEM standards, ensuring durability and reliable performance. The 221-3139 radiator undergoes rigorous quality control to maintain consistent core dimensions and cooling efficiency. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.