Denso 221-9596 Radiator - Auxiliary

Overview of the Denso Radiator 221-9596

The Denso Radiator part number 221-9596 is designed specifically for select Lexus and Toyota models, including the Highlander, RX450h, and RX450hL. This radiator provides reliable cooling performance with precise core dimensions to ensure optimal heat dissipation.

• Core Height: 4.5 inches
• Core Thickness: 0.875 inches
• Core Width: 24.4375 inches
• Inlet Diameter: 0.6875 inches
• Outlet Diameter: 0.6875 inches
• Transmission Oil Cooler: Not included

About the Denso Radiator Product Line

The Denso Radiator line focuses on delivering durable and efficient cooling components engineered to meet OEM specifications. Radiators in this line are designed to maintain engine temperature stability under various driving conditions, supporting vehicle longevity and performance. The 221-9596 radiator is part of this line, ensuring compatibility and quality for your Lexus or Toyota vehicle.

Detailed Product Description

This radiator features a core height of 4.5 inches, a core thickness of 0.875 inches, and a core width of 24.4375 inches, dimensions that contribute to effective heat exchange and cooling capacity. Both the inlet and outlet diameters measure 0.6875 inches, matching the original equipment specifications for a proper fit and fluid flow. The absence of a transmission oil cooler means this radiator is intended solely for engine coolant circulation, suitable for the specified Lexus and Toyota models.

Compatible Vehicles and Common Applications

• Replacement radiator for Lexus Highlander models
• Cooling system component for Toyota RX450h
• Engine temperature regulation for Toyota RX450hL
• Addresses overheating issues due to radiator core damage or leaks
• Resolves coolant flow restrictions caused by clogged or corroded radiators

Installation Notes and Tips

Ensure the radiator core dimensions and inlet/outlet diameters match your vehicle’s specifications before installation. Properly drain the cooling system and dispose of old coolant according to local regulations. Inspect hoses and clamps for wear and replace if necessary to prevent leaks. Bleed the cooling system after installation to remove air pockets and maintain optimal performance.

Quality Assurance and Warranty

Denso radiators are manufactured to meet strict quality standards and OEM specifications. While specific warranty details for part number 221-9596 should be confirmed with the supplier or manufacturer, Denso products typically come with a limited warranty covering defects in materials and workmanship.