Denso 221-3172 Radiator

Overview of the Denso Radiator for Lexus GS430

The Denso radiator part number 221-3172 is engineered specifically for the Lexus GS430, providing reliable cooling performance. Designed with precise core dimensions and integrated transmission oil cooler, this radiator supports optimal engine temperature management.

• Core Height: 15.75 inches
• Core Width: 27.937 inches
• Core Thickness: 1.06 inches
• Inlet Diameter: 1.5 inches
• Outlet Diameter: 1.5 inches
• Includes Transmission Oil Cooler

Detailed Product Description

This Denso radiator (part number 221-3172) features a core height of 15.75 inches, width of 27.937 inches, and thickness of 1.06 inches, ensuring efficient heat dissipation for the Lexus GS430. The radiator includes both inlet and outlet diameters of 1.5 inches, compatible with the vehicle’s cooling system hoses. Additionally, it incorporates a transmission oil cooler, which helps maintain transmission fluid temperature, contributing to overall drivetrain longevity and performance.

Compatible Vehicles and Applications

This radiator is designed for use with the Lexus GS430 model, ensuring a direct fit and proper function within the vehicle’s cooling system. It is suitable for addressing common cooling system issues such as:

• Engine overheating due to radiator core damage or clogging
• Transmission fluid overheating from a faulty or missing transmission oil cooler
• Leaks or cracks in the radiator core or tanks
• Reduced cooling efficiency from corrosion or buildup
• Incompatible radiator dimensions causing installation issues

Installation Notes and Tips

When installing the Denso 221-3172 radiator on a Lexus GS430, ensure all hose connections match the 1.5-inch inlet and outlet diameters. 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 contaminants. Use manufacturer-recommended coolant and follow torque specifications for mounting hardware to avoid leaks or damage.

Quality Assurance and Warranty

Denso radiators are manufactured to meet OEM specifications, ensuring durability and performance. The 221-3172 radiator undergoes rigorous quality control to maintain consistent core dimensions and material integrity. While specific warranty details may vary, Denso typically offers coverage against defects in materials and workmanship, providing confidence in the product’s reliability for Lexus GS430 owners.