Denso 221-9408 Radiator

Overview of the Denso Radiator 221-9408 for Ram ProMaster

The Denso Radiator 221-9408 is designed specifically for Ram ProMaster 1500, 2500, and 3500 models. Engineered to meet the cooling demands of these vehicles, this radiator ensures efficient heat dissipation and reliable engine performance.

• Core Height: 15.625 inches
• Core Width: 30.6875 inches
• Core Thickness: 1.3125 inches
• Inlet Diameter: 1.5 inches
• Outlet Diameter: 1.5 inches
• Transmission Oil Cooler: Not included

Detailed Description of the Denso Radiator 221-9408

This radiator from Denso's Radiator product line is built with precise core dimensions to optimize cooling efficiency for Ram ProMaster vans. The core measures 15.625 inches in height, 30.6875 inches in width, and 1.3125 inches in thickness, providing a balanced surface area for effective heat exchange. Both the inlet and outlet diameters are 1.5 inches, ensuring compatibility with the vehicle's existing cooling system hoses. This radiator does not include a transmission oil cooler, focusing solely on engine coolant circulation.

The Radiator product line by Denso is known for its focus on durability and fitment accuracy, making it suitable for direct replacement in specific vehicle models. The 221-9408 part number corresponds to a radiator designed to maintain optimal engine temperatures under various driving conditions for Ram ProMaster 1500, 2500, and 3500 vans.

Applications and Common Issues Addressed

• Overheating engine due to inefficient heat dissipation
• Coolant leaks from damaged or corroded radiator cores
• Reduced cooling performance from clogged or blocked radiator passages
• Compatibility issues with aftermarket radiators not designed for Ram ProMaster models
• Failure of original radiator causing engine temperature fluctuations

Installation Notes and Tips

• Ensure the radiator core dimensions match the vehicle specifications before installation
• Check inlet and outlet hose diameters (1.5 inches) for proper fit
• Drain coolant completely before removing the old radiator to avoid spills
• Inspect and replace radiator hoses and clamps if worn or damaged
• Bleed the cooling system after installation to remove air pockets

Quality Assurance and Warranty Information

Denso radiators, including the 221-9408, are manufactured to meet OEM standards for fit, form, and function. While specific warranty details may vary, Denso products typically come with a limited warranty covering defects in materials and workmanship. This ensures reliability and peace of mind when replacing the radiator on Ram ProMaster 1500, 2500, and 3500 vehicles.