Denso 221-0512 Radiator

Denso Radiator for Toyota Avalon

This Denso radiator, part number 221-0512, is built for 2000-2004 Toyota Avalon models with the tow package. It is an OE-style cooling replacement engineered around factory dimensions and cooling requirements for dependable engine temperature control.

Key Features

• Core height: 15.7500
• Core width: 28.2500
• Core thickness: 1.0000
• Inlet diameter: 1.3750
• Outlet diameter: 1.3750
• Transmission oil cooler included
• Fits 2000-2004 Toyota Avalon, N/A, with tow package

Detailed Description

Denso part number 221-0512 is a radiator designed for the Toyota Avalon cooling system application listed above. Denso supplies radiators to OE vehicle manufacturers worldwide, and this unit reflects that OE-focused engineering with configuration, tank design, fin pitch, core size, and material selection aligned to factory standards. The result is a direct-fit cooling component for Toyota Avalon models that need consistent heat transfer and stable engine operating temperatures.

This radiator includes a transmission oil cooler and uses 1.3750-inch inlet and outlet connections. With a 15.7500-inch core height, 28.2500-inch core width, and 1.0000-inch core thickness, it is specified to match the cooling package requirements for the covered Avalon applications. This part cross-references Spectra Premium CU2325 for the same application.

What This Radiator Helps Address

• Overheating caused by a worn or restricted radiator
• Coolant leaks from aging radiator tanks or core damage
• Reduced cooling efficiency in a Toyota Avalon with tow package
• Transmission heat management when the factory cooler is part of the system
• Temperature instability from a radiator that no longer meets OE dimensions

Installation Notes and Tips

Verify the vehicle is a 2000-2004 Toyota Avalon with tow package before ordering. Confirm inlet and outlet sizes, mounting points, and transmission cooler line routing against the original radiator. Flush the cooling system, inspect hoses and clamps, and refill with the correct coolant mixture after installation. Bleed air from the system according to Toyota service procedures to help prevent hot spots and inaccurate temperature readings.

Quality Assurance

Denso radiators are built to OE standards and undergo durability and function testing before release. Part number 221-0512 is engineered for reliable cooling performance and fitment in the specified Toyota Avalon applications.