Denso 221-9418 Radiator

Denso Radiator 221-9418 Overview

Denso 221-9418 is a radiator built for direct replacement service on select Ford E-Series vans and Super Duty chassis applications. It combines OE-style fitment with a transmission oil cooler and core dimensions sized for proper cooling performance in demanding driving conditions.

Fits 2006-2019 Ford E-350 Super Duty, N/A. Fits 2007 Ford E-150, N/A, to 10/16/2006. Fits 2007 Ford E-250, N/A, to 10/16/2006. Fits 2007 Ford E-350 Super Duty, N/A, to 10/16/2006.

Key Features

• Core height: 23.6200 in.
• Core width: 30.4600 in.
• Core thickness: 1.4200 in.
• Inlet diameter: 1.7500 in.
• Outlet diameter: 1.7500 in.
• Transmission oil cooler included
• OE-style radiator configuration for select Ford E-150, E-250, and E-350 Super Duty applications

Built for OE Fit and Cooling Performance

This Denso radiator 221-9418 is engineered around OE manufacturer standards for configuration, tank design, fin pitch, core dimensions, and materials. Denso supplies radiators to original equipment vehicle makers worldwide, and this replacement radiator reflects that OE-focused experience with a design intended to maintain stable engine temperature and consistent cooling-system operation. It is a practical choice for Ford E-350 Super Duty radiator replacement needs, as well as Ford E-150 and Ford E-250 applications listed above.

This part cross-references Spectra Premium (e.g., CU2977) for the same application.

Common Cooling Issues It Can Address

• Overheating caused by a worn or restricted radiator core
• Coolant temperature instability during heavy-duty driving
• Transmission fluid heat management concerns when the cooler is integrated into the radiator
• Leaks from an aging radiator assembly
• Reduced cooling efficiency from damaged fins or internal blockage

Installation Notes and Tips

Verify radiator dimensions, inlet and outlet size, and transmission cooler connections before installation. Flush the cooling system, inspect hoses and clamps, and confirm the replacement matches the vehicle’s build date, especially for 2007 Ford E-150, E-250, and E-350 Super Duty models with the 10/16/2006 cutoff. After installation, refill with the correct coolant mixture and bleed air from the system according to factory service procedures.

Quality Assurance

Denso radiators undergo durability and function testing before release. The brand’s OE supply background and validation process support consistent fitment and dependable cooling performance for the listed Ford applications.