Denso 221-9407 Radiator

Denso Radiator for Ford Super Duty Cooling

This Denso radiator, part number 221-9407, is built for 2005-2007 Ford F-250 Super Duty and 2005-2007 Ford F-350 Super Duty applications. It is configured to match OE-style dimensions and cooling requirements for direct replacement service.

Key Features

• Core height: 28.4600
• Core width: 30.4600
• Core thickness: 1.4200
• Inlet diameter: 1.7500
• Outlet diameter: 2.0100
• Transmission oil cooler included
• OE-focused radiator construction from Denso

Detailed Description

Denso part number 221-9407 is a radiator engineered for Ford Super Duty cooling system service, with dimensions and materials selected to align with OE manufacturer standards. The core measures 28.4600 inches high, 30.4600 inches wide, and 1.4200 inches thick, with 1.7500-inch inlet and 2.0100-inch outlet connections. Built with an integrated transmission oil cooler, this radiator supports vehicles that rely on combined engine and transmission heat management. Denso’s OE supply experience is reflected in the fitment-focused design and durability testing used for this radiator platform.

This part cross-references Spectra Premium CU2887 for the same application.

Fits 2005-2007 Ford F-250 Super Duty, N/A. Fits 2005-2007 Ford F-350 Super Duty, N/A.

Common Replacement Reasons

• Coolant leaks from a damaged or corroded radiator core
• Overheating caused by restricted coolant flow
• Transmission temperature concerns tied to a failing cooler circuit
• Cracked tanks or weakened hose connections
• Reduced cooling performance in Ford F-250 Super Duty and Ford F-350 Super Duty trucks

Installation Notes and Tips

Verify inlet and outlet sizing, core dimensions, and transmission cooler line routing before installation. Flush the cooling system, inspect hoses and clamps, and confirm the radiator mounts securely in the factory location. After installation, refill with the correct coolant mixture and bleed air from the system according to service procedures.

Quality Assurance

Denso radiators are built using OE-based configurations and undergo durability and function testing to support reliable cooling performance under demanding operating conditions.