Denso 221-9285 Radiator

Overview of Denso Radiator 221-9285 for Infiniti M56 and Q70

The Denso radiator part number 221-9285 is designed specifically for Infiniti M56 and Q70 models. This radiator includes a transmission oil cooler, ensuring efficient engine and transmission temperature management for these vehicles.

• Core Height: 25.0000 inches
• Core Thickness: 0.9800 inches
• Core Width: 18.7300 inches
• Transmission Oil Cooler Included
• Inlet Diameter: 1.3750 inches
• Outlet Diameter: 1.3800 inches

Detailed Specifications and Features

The Denso 221-9285 radiator features a core measuring 25 inches in height, 18.73 inches in width, and just under 1 inch in thickness. These dimensions provide optimal surface area for heat dissipation, which is critical for maintaining engine performance and preventing overheating. The inclusion of a transmission oil cooler integrated within the radiator supports the cooling of transmission fluid, which is essential for the longevity and smooth operation of the Infiniti M56 and Q70 transmissions. The inlet and outlet diameters, 1.3750 and 1.3800 inches respectively, are engineered to match factory specifications, ensuring proper fitment and fluid flow.

Compatible Vehicles and Applications

This radiator is compatible with the following Infiniti models:

• Infiniti M56
• Infiniti Q70

It is designed to replace the original radiator in these vehicles, providing reliable cooling performance and maintaining factory standards.

Common Issues Addressed by This Radiator

• Engine overheating due to radiator core damage or clogging
• Transmission fluid overheating caused by a faulty or missing transmission oil cooler
• Leaks or cracks in the radiator core or tanks
• Reduced cooling efficiency from corrosion or wear
• Improper fitment or flow issues with non-OEM radiators

Installation Notes and Tips

• Ensure the radiator matches the original part number 221-9285 for proper fitment
• Check all hose connections for correct inlet and outlet diameters (1.3750 and 1.3800 inches)
• Drain coolant and transmission fluid before removal to avoid spills
• Inspect and replace any worn hoses or clamps during installation
• Bleed the cooling system after installation to remove air pockets

Quality Assurance and Warranty

Denso radiators are manufactured to meet or exceed OEM standards for durability and performance. The 221-9285 radiator undergoes rigorous quality control to ensure reliable operation in Infiniti M56 and Q70 vehicles. Warranty coverage details should be confirmed at the point of purchase, as they may vary by distributor or region.