Denso 221-9421 Radiator

Overview of the Denso Radiator 221-9421 for Ford Transit Models

The Denso radiator part number 221-9421 is designed specifically for Ford Transit-150, Transit-250, Transit-350, and Transit-350 HD vehicles. Engineered to meet the cooling demands of these commercial vans, this radiator ensures efficient heat dissipation and reliable engine performance.

• Core Height: 30.2362 inches
• Core Width: 19.2756 inches
• Core Thickness: 0.9843 inches
• Inlet Diameter: 1.5 inches
• Outlet Diameter: 1.3125 inches
• Transmission Oil Cooler: Not included

Technical Specifications and Design Details

This radiator features a core height of 30.2362 inches and a width of 19.2756 inches, providing a substantial surface area for effective heat exchange. The core thickness of 0.9843 inches balances durability with optimal airflow. The inlet and outlet diameters of 1.5 inches and 1.3125 inches respectively are designed to match the original equipment specifications for Ford Transit vans, ensuring proper coolant flow and system compatibility. Note that this radiator does not include a transmission oil cooler, so it is intended for cooling engine coolant only.

Compatible Ford Transit Models and Applications

This radiator is compatible with multiple Ford Transit models, including Transit-150, Transit-250, Transit-350, and Transit-350 HD. It is suitable for use in vehicles requiring a direct replacement radiator that meets factory specifications for cooling performance and fitment.

• Overheating issues due to radiator core damage or clogging
• Coolant leaks from cracked or corroded radiator cores
• Reduced engine cooling efficiency impacting vehicle performance
• Replacement during routine maintenance or radiator failure

Installation Notes and Recommendations

When installing the Denso radiator 221-9421, ensure all hose connections match the specified inlet and outlet diameters for a secure fit. Verify that the radiator mounts align with the Ford Transit chassis points. It is recommended to flush the cooling system before installation to remove debris and prevent contamination. Proper coolant type and mixture should be used to maintain system integrity.

Quality Assurance and Warranty Information

Denso radiators are manufactured to meet OEM standards for durability and performance. While specific warranty details for part number 221-9421 should be confirmed at the point of purchase, Denso typically offers coverage against manufacturing defects. This radiator is built to provide consistent cooling performance for Ford Transit vehicles under normal operating conditions.