Denso 221-3428 Radiator

Overview of the Denso Radiator for Infiniti M35 and M45

The Denso radiator part number 221-3428 is designed specifically for Infiniti M35 and M45 models. This radiator includes a transmission oil cooler and features precise core dimensions to ensure efficient engine cooling and reliable performance.

• Core Height: 17.687 inches
• Core Width: 28.687 inches
• Core Thickness: 0.625 inches
• Inlet Diameter: 1.375 inches
• Outlet Diameter: 1.375 inches
• Includes Transmission Oil Cooler

Detailed Radiator Specifications and Features

The Denso 221-3428 radiator is engineered with a core height of 17.687 inches and a width of 28.687 inches, providing ample surface area for heat dissipation. The core thickness of 0.625 inches balances cooling efficiency with durability. Both the inlet and outlet diameters measure 1.375 inches, ensuring compatibility with the vehicle’s cooling system hoses. The integrated transmission oil cooler supports the cooling of transmission fluid, which is essential for maintaining transmission performance and longevity in Infiniti M35 and M45 vehicles.

Compatible Infiniti Models and Applications

This radiator is compatible with Infiniti M35 and M45 models, making it a suitable replacement for vehicles requiring a direct-fit radiator with transmission oil cooling capabilities. The part number 221-3428 matches OEM specifications, ensuring proper fit and function within the cooling system of these Infiniti models.

• Overheating issues due to radiator core damage or clogging
• Transmission fluid overheating affecting transmission performance
• Leaks or cracks in the radiator core or tanks
• Reduced cooling efficiency from worn or damaged radiator components
• Replacement during engine cooling system maintenance or upgrades

Installation Notes and Tips

When installing the Denso radiator 221-3428, ensure all hose connections match the 1.375-inch inlet and outlet diameters for a secure fit. Verify that the transmission oil cooler lines are properly connected to maintain transmission fluid cooling. It is recommended to flush the cooling system before installation to remove any debris or contaminants. Use appropriate coolant and follow Infiniti manufacturer torque specifications for mounting hardware.

Quality Assurance and Warranty Information

Denso radiators are manufactured to meet or exceed OEM standards for durability and performance. The 221-3428 radiator undergoes rigorous quality control to ensure reliable operation in Infiniti M35 and M45 vehicles. Warranty coverage details should be confirmed at the point of purchase, as they may vary by distributor or region.