Denso 221-3141 Radiator

Overview of the Denso Radiator for Toyota Sienna

The Denso radiator part number 221-3141 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: 26.5620 inches
• Core Width: 18.8750 inches
• Core Thickness: 0.8750 inches
• Inlet Diameter: 1.5000 inches
• Outlet Diameter: 1.5000 inches
• Includes Transmission Oil Cooler

Detailed Product Description

The Denso 221-3141 radiator features a core measuring 26.5620 inches in height, 18.8750 inches in width, and 0.8750 inches in thickness. These dimensions ensure efficient heat dissipation for the Toyota Sienna's engine cooling system. The radiator also includes a built-in transmission oil cooler, which helps regulate transmission fluid temperature, contributing to smoother shifting and extended transmission life. Both the inlet and outlet diameters are 1.5 inches, matching the factory specifications for a direct fit installation.

Compatible Vehicles and Applications

This radiator is compatible with Toyota Sienna models requiring a radiator with integrated transmission oil cooler. It is engineered to meet the cooling demands of these vehicles, ensuring proper engine and transmission temperature management under various driving conditions.

• Overheating issues in Toyota Sienna
• Transmission fluid overheating or degradation
• Leaking or damaged radiator cores
• Reduced cooling efficiency due to core damage
• Replacement of worn or faulty radiator components

Installation Notes and Tips

When installing the Denso 221-3141 radiator, ensure all hose connections match the 1.5-inch inlet and outlet diameters for a secure fit. Properly flush the cooling system before installation to remove debris and contaminants. Verify that the transmission oil cooler lines are correctly connected to maintain transmission cooling functionality. Follow Toyota Sienna manufacturer guidelines for torque specifications and coolant type.

Quality Assurance and Warranty

Denso radiators are manufactured to meet or exceed OEM standards, ensuring durability and reliable performance. The 221-3141 radiator undergoes rigorous quality control testing to verify core integrity and cooling efficiency. Warranty coverage details should be confirmed with the supplier or manufacturer, as they may vary by region.