Denso 221-9406 Radiator

Overview of the Denso Radiator 221-9406 for Ford Super Duty

The Denso Radiator part number 221-9406 is designed specifically for Ford F-250 Super Duty and F-350 Super Duty trucks. Engineered to maintain optimal engine temperature, this radiator includes a transmission oil cooler to support heavy-duty performance.

• Core Height: 28.46 inches
• Core Width: 30.51 inches
• Core Thickness: 0.98 inches
• Inlet Diameter: 1.75 inches
• Outlet Diameter: 1.75 inches
• Includes Transmission Oil Cooler

Detailed Product Description

This Denso radiator (part number 221-9406) features a robust core measuring 28.46 inches in height, 30.51 inches in width, and 0.98 inches in thickness, providing efficient heat dissipation for Ford F-250 Super Duty and F-350 Super Duty models. The inclusion of a transmission oil cooler enhances the cooling system by managing transmission fluid temperature, which is critical for maintaining transmission performance under heavy load conditions. Both the inlet and outlet diameters are 1.75 inches, ensuring compatibility with the factory cooling system hoses for a straightforward installation.

Applications and Problem Solving

• Replaces worn or leaking radiators in Ford F-250 Super Duty and F-350 Super Duty trucks
• Addresses engine overheating issues caused by inefficient cooling
• Prevents transmission overheating with integrated oil cooler
• Resolves coolant leaks due to damaged or corroded radiator cores
• Supports heavy-duty towing and hauling by maintaining stable engine temperatures

Installation Notes and Tips

• Ensure compatibility with Ford F-250 Super Duty and F-350 Super Duty models before installation
• Inspect and replace radiator hoses if necessary to prevent leaks
• Drain coolant and transmission fluid before removal to avoid spills
• Check for proper seating of inlet and outlet connections (1.75 inches diameter)
• Bleed the cooling system after installation to remove air pockets

Quality Assurance and Warranty

Denso manufactures this radiator to meet or exceed OEM specifications for Ford Super Duty trucks. The part number 221-9406 undergoes rigorous quality control to ensure durability and reliable performance. While specific warranty details may vary, Denso typically offers coverage against defects in materials and workmanship, providing confidence in the product's longevity and function.