Denso 221-3144 Radiator

Overview of the Denso Radiator 221-3144 for Lexus and Toyota

The Denso radiator part number 221-3144 is designed specifically for select Lexus and Toyota models, including the Highlander and RX400h. Engineered to meet OEM specifications, this radiator ensures reliable cooling performance tailored to your vehicle's needs.

• Core Height: 18.687 inches
• Core Thickness: 0.875 inches
• Core Width: 26.562 inches
• Inlet Diameter: 1.375 inches
• Outlet Diameter: 1.562 inches
• Transmission Oil Cooler: Not included

Detailed Radiator Specifications and Design

This Denso radiator features a core measuring 18.687 inches in height, 26.562 inches in width, and 0.875 inches in thickness, providing an optimal surface area for heat dissipation. The inlet and outlet diameters of 1.375 inches and 1.562 inches respectively are designed to match the coolant flow requirements of the Lexus Highlander and Toyota RX400h models. Note that this radiator does not include a transmission oil cooler, making it suitable for vehicles with separate transmission cooling systems.

Compatible Vehicles and Applications

This radiator is compatible with the following vehicles:

• Lexus RX400h
• Toyota Highlander

It is intended for use in the engine cooling system to maintain optimal operating temperatures and prevent overheating.

Common Issues Addressed by This Radiator

• Engine overheating due to radiator leaks or blockages
• Reduced cooling efficiency from damaged or corroded cores
• Coolant loss caused by cracked or compromised radiator tanks
• Inadequate heat dissipation affecting engine performance
• Replacement of worn or faulty OEM radiators in Lexus Highlander and Toyota RX400h

Installation Notes and Tips

• Ensure compatibility with your vehicle’s model year and engine configuration before installation
• Drain coolant completely and properly dispose of old radiator fluid
• Inspect hoses and clamps for wear and replace if necessary during installation
• Bleed the cooling system after installation to remove air pockets
• Check for leaks and proper coolant flow after installation

Quality Assurance and Warranty Information

Denso radiators are manufactured to meet strict quality standards and OEM specifications. The 221-3144 radiator undergoes rigorous testing to ensure durability and performance. Warranty coverage details vary by distributor but typically include protection against manufacturing defects. Consult your supplier for specific warranty terms related to this radiator.