Denso 221-9388 Radiator

Overview of Denso Radiator for Lexus RX330

The Denso radiator part number 221-9388 is designed specifically for the Lexus RX330, providing reliable cooling performance. This radiator includes a transmission oil cooler, making it a comprehensive cooling solution for your vehicle.

• Core Height: 25.59 inches
• Core Width: 19.75 inches
• Core Thickness: 0.87 inches
• Inlet Diameter: 1.34 inches
• Outlet Diameter: 1.52 inches
• Includes Transmission Oil Cooler

Detailed Product Description

The Denso 221-9388 radiator is engineered to meet the cooling demands of the Lexus RX330. Its core dimensions—25.59 inches in height, 19.75 inches in width, and 0.87 inches in thickness—ensure efficient heat dissipation. The radiator features inlet and outlet diameters of 1.34 inches and 1.52 inches respectively, designed to maintain optimal coolant flow. Additionally, the integrated transmission oil cooler supports the vehicle’s transmission system by helping regulate transmission fluid temperature, which is critical for maintaining transmission performance and longevity.

Common Applications and Problem Resolution

• Overheating issues in Lexus RX330 vehicles
• Coolant leaks or radiator damage
• Transmission fluid overheating due to lack of cooling
• Reduced engine cooling efficiency
• Replacement of worn or corroded radiator components

Installation Notes and Tips

When installing the Denso radiator 221-9388 on a Lexus RX330, 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 or failures.

Quality Assurance and Warranty

Denso radiators are manufactured to meet OEM specifications, ensuring compatibility and performance for the Lexus RX330. The 221-9388 radiator undergoes rigorous quality control to maintain durability and reliability. Warranty coverage details should be confirmed with the supplier or manufacturer, as they may vary.