Denso 221-3167 Radiator

Overview of the Denso Radiator 221-3167 for Lexus RX350 and Toyota Sienna

The Denso radiator part number 221-3167 is designed specifically for select Lexus and Toyota models, including the RX350 and Sienna. This radiator features precise core dimensions and an integrated transmission oil cooler to support efficient engine and transmission cooling.

• Core Height: 17.687 inches
• Core Width: 30.187 inches
• Core Thickness: 0.625 inches
• Inlet Diameter: 1.375 inches
• Outlet Diameter: 1.375 inches
• Includes Transmission Oil Cooler

Detailed Specifications and Features

The Denso 221-3167 radiator is engineered with a core height of 17.687 inches and a width of 30.187 inches, providing ample surface area for heat dissipation. Its core thickness of 0.625 inches balances cooling efficiency with durability. Both the inlet and outlet diameters measure 1.375 inches, ensuring compatibility with the vehicle’s cooling system hoses. An integrated transmission oil cooler is included, which helps maintain optimal transmission fluid temperature, enhancing transmission performance and longevity.

Compatible Vehicles and Application

This radiator is compatible with the Lexus RX350 and Toyota Sienna models, making it a suitable replacement for vehicles requiring a reliable cooling solution. It is designed to address common cooling system issues such as overheating, coolant leaks, and transmission fluid temperature regulation.

• Resolves engine overheating problems
• Prevents coolant leaks and maintains system pressure
• Supports transmission cooling to avoid fluid breakdown
• Improves overall engine and transmission efficiency

Installation Notes and Tips

When installing the Denso radiator 221-3167, ensure all hose connections match the 1.375-inch inlet and outlet diameters for a secure fit. Properly bleed the cooling system after installation to remove air pockets. Verify that the integrated transmission oil cooler lines are correctly connected to maintain transmission fluid flow. It is recommended to inspect related components such as hoses and clamps during installation for optimal performance.

Quality Assurance and Warranty Information

Denso radiators are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The 221-3167 radiator undergoes rigorous quality control testing to maintain consistent standards. Warranty coverage details should be confirmed with the distributor or manufacturer, as they may vary by region.