Denso 221-3125 Radiator

Overview of the Denso Radiator for Lexus GX470

The Denso 221-3125 radiator is engineered specifically for the Lexus GX470, providing reliable cooling performance. Designed with precise core dimensions and integrated transmission oil cooler, this radiator supports optimal engine temperature management.

• Core Height: 25.562 inches
• Core Width: 23.625 inches
• Core Thickness: 1.437 inches
• Inlet Diameter: 1.5 inches
• Outlet Diameter: 1.5 inches
• Includes Transmission Oil Cooler

Detailed Radiator Specifications and Features

This Denso radiator, part number 221-3125, features a robust core measuring 25.562 inches in height, 23.625 inches in width, and 1.437 inches in thickness. The inclusion of a transmission oil cooler enhances heat dissipation for both engine coolant and transmission fluid, which is critical for maintaining the Lexus GX470’s performance under various driving conditions. The 1.5-inch inlet and outlet diameters ensure proper coolant flow, matching OEM specifications for efficient heat exchange.

Compatible Applications and Common Issues Addressed

This radiator is compatible with the Lexus GX470 model, making it suitable for owners seeking a direct replacement radiator with integrated transmission cooling. It addresses several common cooling system issues, including:

• Engine overheating due to radiator core damage or clogging
• Transmission fluid overheating from lack of proper cooling
• Coolant leaks from worn or damaged radiator components
• Reduced cooling efficiency caused by corrosion or buildup
• Inadequate coolant flow from incorrect radiator dimensions

Installation Notes and Recommendations

When installing the Denso 221-3125 radiator on a Lexus GX470, ensure all hose connections match the 1.5-inch inlet and outlet diameters for a secure fit. It is recommended to inspect and replace any worn hoses or clamps during installation. Proper bleeding of the cooling system after installation will help prevent air pockets and ensure optimal performance. Professional installation is advised to maintain warranty coverage and system integrity.

Quality Assurance and Warranty Information

Denso radiators are manufactured to meet or exceed OEM standards, ensuring durability and reliable performance. The 221-3125 radiator undergoes rigorous quality control testing to verify core integrity and cooling efficiency. Warranty coverage details should be confirmed at the point of purchase, typically including protection against defects in materials and workmanship.