Denso 221-9575 Radiator

Overview of the Denso Radiator 221-9575 for Lexus and Toyota

The Denso radiator part number 221-9575 is designed specifically for select Lexus and Toyota models, including the NX300h and RAV4. Engineered to meet precise cooling requirements, this radiator ensures efficient heat dissipation to maintain optimal engine performance.

• Core Height: 4.1875 inches
• Core Thickness: 0.8750 inches
• Core Width: 24.8125 inches
• Inlet Diameter: 0.6875 inches
• Outlet Diameter: 0.6875 inches
• Transmission Oil Cooler: Not included

Technical Specifications and Design Details

This radiator features a core measuring 24.8125 inches in width, 4.1875 inches in height, and 0.8750 inches in thickness, providing a balanced surface area for effective coolant flow and heat exchange. Both the inlet and outlet diameters are 0.6875 inches, compatible with the cooling system hoses of the Lexus NX300h and Toyota RAV4 models. The absence of a transmission oil cooler indicates this radiator is dedicated solely to engine coolant circulation.

Compatible Vehicles and Application

The Denso 221-9575 radiator is compatible with the following vehicles:

• Lexus NX300h
• Toyota RAV4

This radiator is intended for use in the engine cooling system to regulate temperature and prevent overheating during operation.

Common Issues Addressed by This Radiator

• Engine overheating due to inefficient heat dissipation
• Coolant leaks from damaged or corroded radiator cores
• Reduced cooling performance from clogged or worn radiator fins
• Incompatibility with OEM cooling system dimensions
• Failure of radiator causing engine temperature fluctuations

Installation Notes and Tips

When installing the Denso radiator 221-9575, ensure the inlet and outlet hose diameters match the vehicle’s cooling system hoses (0.6875 inches). Properly secure all mounting points and check for any coolant leaks after installation. It is recommended to flush the cooling system before installation to remove debris and contaminants that could affect radiator performance.

Quality Assurance and Warranty Information

Denso radiators are manufactured to meet OEM specifications, ensuring reliable fit and function for Lexus NX300h and Toyota RAV4 vehicles. While specific warranty details may vary, Denso products typically come with a limited warranty covering defects in materials and workmanship. Consult the product documentation or supplier for exact warranty terms related to part number 221-9575.