Denso 221-0520 Radiator

Overview of the Denso Radiator for Toyota Sienna

The Denso radiator part number 221-0520 is designed specifically for Toyota Sienna models, providing reliable cooling performance. This radiator includes a transmission oil cooler, making it a comprehensive solution for maintaining optimal engine and transmission temperatures.

• Core Height: 18.812 inches
• Core Width: 26.562 inches
• Core Thickness: 0.875 inches
• Inlet Diameter: 0.937 inches
• Outlet Diameter: 1.562 inches
• Includes Transmission Oil Cooler

Detailed Specifications and Features

The Denso 221-0520 radiator features a core height of 18.812 inches and a width of 26.562 inches, providing ample surface area for efficient heat dissipation. Its core thickness of 0.875 inches ensures durability and effective coolant flow. The radiator’s inlet and outlet diameters are 0.937 inches and 1.562 inches respectively, designed to match the Toyota Sienna’s cooling system connections precisely. Additionally, the integrated transmission oil cooler helps maintain transmission fluid temperature, supporting overall vehicle performance and longevity.

Compatible Vehicles and Applications

This radiator is compatible with Toyota Sienna models, engineered to meet the specific cooling requirements of this vehicle. The inclusion of the transmission oil cooler makes it suitable for Sienna variants equipped with automatic transmissions, ensuring both engine and transmission cooling needs are addressed.

• Overheating issues in Toyota Sienna
• Coolant leaks or radiator damage
• Transmission fluid overheating
• Reduced engine cooling efficiency
• Replacement of worn or corroded radiator components

Installation Notes and Tips

When installing the Denso radiator 221-0520 on a Toyota Sienna, ensure all hose connections match the specified inlet and outlet diameters for a secure fit. Properly bleed the cooling system after installation to remove air pockets and verify the transmission oil cooler lines are correctly connected. It is recommended to inspect related components such as hoses and clamps during installation to prevent future leaks.

Quality Assurance and Warranty

Denso radiators are manufactured to meet OEM standards, ensuring reliable performance and durability. The 221-0520 radiator undergoes rigorous quality control to maintain consistent cooling efficiency. Warranty coverage details should be confirmed with the supplier or manufacturer, as they may vary by region.