Denso 221-0509 Radiator

Overview of Denso Radiator 221-0509 for Toyota Highlander

The Denso radiator part number 221-0509 is designed specifically for Toyota Highlander models, providing reliable cooling performance. This radiator includes a transmission oil cooler, making it a comprehensive cooling solution for your vehicle.

• Core Height: 17.75 inches
• Core Width: 29.062 inches
• Core Thickness: 1.0 inch
• Inlet Diameter: 1.375 inches
• Outlet Diameter: 1.375 inches
• Includes Transmission Oil Cooler

Detailed Product Description

The Denso radiator 221-0509 features a core measuring 17.75 inches in height, 29.062 inches in width, and 1 inch in thickness, ensuring efficient heat dissipation for the Toyota Highlander. Both the inlet and outlet diameters are 1.375 inches, compatible with the vehicle's cooling system hoses. The integrated transmission oil cooler supports the transmission system by maintaining optimal fluid temperatures, which is essential for vehicle performance and longevity.

Common Applications and Problem Solving

• Replaces damaged or leaking radiators in Toyota Highlander models
• Addresses overheating issues caused by inefficient cooling
• Resolves transmission fluid overheating with built-in oil cooler
• Prevents coolant leaks due to worn or corroded radiator cores
• Improves overall engine temperature regulation for consistent performance

Installation Notes and Tips

• Ensure compatibility with your Toyota Highlander model year before installation
• Inspect and replace all related hoses and clamps during installation
• Drain coolant and transmission fluid properly before removal
• Bleed the cooling system after installation to remove air pockets
• Check for leaks and proper fluid flow after installation

Quality Assurance and Warranty

Denso radiators are manufactured to meet OEM specifications for fit, form, and function. The 221-0509 radiator undergoes rigorous quality control to ensure durability and performance. While specific warranty details may vary, Denso products typically come with a limited warranty covering defects in materials and workmanship.