Denso 221-9104 Radiator

Overview of the Denso Radiator 221-9104 for Ford Fusion and More

The Denso radiator part number 221-9104 is designed specifically for select Ford, Lincoln, and Mercury vehicles, including the Fusion, Milan, and Zephyr models. This radiator features integrated transmission oil cooling to support optimal engine and transmission performance.

• Core Height: 25.7480 inches
• Core Width: 16.8504 inches
• Core Thickness: 1.0236 inches
• Inlet Diameter: 1.4961 inches
• Outlet Diameter: 1.4961 inches
• Includes Transmission Oil Cooler

Technical Details and Specifications

The Denso 221-9104 radiator is engineered with precise core dimensions to ensure efficient heat dissipation and proper fitment in compatible vehicles. The core height of 25.7480 inches and width of 16.8504 inches provide a balanced surface area for coolant flow, while the 1.0236-inch core thickness supports effective thermal management. Both the inlet and outlet diameters measure 1.4961 inches, facilitating seamless connection with existing cooling system hoses. The inclusion of a transmission oil cooler enhances the radiator’s functionality by helping maintain transmission fluid temperature within optimal ranges.

Compatible Vehicles and Applications

This radiator is compatible with the following makes and models:

• Ford Fusion
• Lincoln Milan
• Mercury Zephyr

It is designed to replace original equipment radiators in these vehicles, ensuring proper cooling system operation and transmission fluid temperature control.

Common Issues Addressed by the Denso Radiator 221-9104

• Engine overheating due to inefficient heat dissipation
• Transmission fluid overheating affecting transmission performance
• Leaks or damage in the original radiator core
• Reduced cooling system efficiency from clogged or corroded radiators
• Improper fitment causing coolant leaks or hose connection issues

Installation Notes and Tips

When installing the Denso radiator 221-9104, ensure all hose connections match the 1.4961-inch inlet and outlet diameters for a secure fit. Verify that the radiator core dimensions align with the vehicle’s mounting points to avoid installation complications. It is recommended to inspect and replace any worn hoses or clamps during installation to maintain system integrity. Properly bleed the cooling system after installation to prevent air pockets and ensure optimal coolant circulation.

Quality Assurance and Warranty Information

Denso radiators are manufactured to meet or exceed OEM specifications, providing reliable performance and durability. The 221-9104 radiator includes an integrated transmission oil cooler to support both engine and transmission cooling needs. While specific warranty details may vary, Denso products typically come with a limited warranty covering defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.