Denso 221-3140 Radiator

Overview of the Denso Radiator for Toyota Sienna

The Denso radiator part number 221-3140 is designed specifically for Toyota Sienna models, providing reliable cooling performance. This radiator includes a transmission oil cooler, making it a comprehensive cooling solution for your vehicle.

• Core Height: 26.3750 inches
• Core Width: 19.3130 inches
• Core Thickness: 0.6250 inches
• Inlet Diameter: 1.5000 inches
• Outlet Diameter: 0.9370 inches
• Includes Transmission Oil Cooler

Detailed Specifications and Features

The Denso 221-3140 radiator features a core height of 26.3750 inches and a core width of 19.3130 inches, providing ample surface area for efficient heat dissipation. With a core thickness of 0.6250 inches, this radiator balances durability and cooling capacity. The inlet and outlet diameters are 1.5 inches and 0.937 inches respectively, ensuring proper coolant flow. The integrated transmission oil cooler supports the Toyota Sienna’s transmission system by maintaining optimal fluid temperatures, which helps prevent overheating and extends transmission life.

Compatible Vehicles and Applications

This radiator is compatible with Toyota Sienna models, making it a direct replacement for the original equipment. The Denso 221-3140 radiator is engineered to meet the cooling demands of the Toyota Sienna’s engine and transmission systems, ensuring proper fit and function.

• Overheating engine issues
• Transmission fluid overheating
• Coolant leaks or radiator damage
• Reduced cooling efficiency
• Corroded or clogged radiator cores

Installation Notes and Tips

When installing the Denso radiator 221-3140 on a Toyota Sienna, ensure all connections are secure and free of debris. Properly bleed the cooling system to remove air pockets and verify that the transmission oil cooler lines are correctly connected. It is recommended to inspect hoses and clamps during installation and replace any worn components to maintain system integrity.

Quality Assurance and Warranty

Denso radiators are manufactured to meet strict quality standards, ensuring durability and reliable performance. The 221-3140 radiator undergoes rigorous testing to comply with OEM specifications. Warranty coverage details should be confirmed at the time of purchase, as they may vary by distributor.