Denso 221-0504 Radiator

Denso 221-0504 Radiator for Toyota and Lexus

The Denso 221-0504 radiator is built for specific Toyota and Lexus applications that require OE-style cooling performance and precise fitment. It features a 15.8120-inch core height, 28.9370-inch core width, and 1.0000-inch core thickness for a direct replacement profile.

With a 1.3750-inch inlet and 1.3750-inch outlet, this radiator also includes a transmission oil cooler. It is a strong match for drivers searching for a radiator for 2002-2006 Toyota Camry with tow package or a radiator for 2004-2006 Lexus ES330 with tow package.

Key Features

• Part number: 221-0504
• OE-style radiator construction from Denso
• Core dimensions: 15.8120 in. H x 28.9370 in. W x 1.0000 in. T
• 1.3750 in. inlet and 1.3750 in. outlet
• Transmission oil cooler included
• Fits select Toyota Camry and Lexus ES300/ES330 tow package applications

Detailed Description

Denso radiators are engineered using OE supplier experience and manufacturing standards that focus on fitment, cooling efficiency, and durability. The 221-0504 radiator is configured to match the cooling system requirements of select Toyota and Lexus vehicles, including 2002-2006 Toyota Camry with tow package, 2002-2003 Lexus ES300 with tow package, and 2004-2006 Lexus ES330 with tow package. If you need a radiator for Toyota Camry tow package models or a Lexus ES330 radiator replacement, this part number is built for those applications.

This part cross-references Spectra Premium CU2434 and CSF 3145 for the same application.

Common Problems This Radiator Can Address

• Engine overheating caused by a failing radiator core
• Coolant leaks from an aging or damaged radiator assembly
• Reduced cooling performance under towing or heavier load conditions
• Transmission fluid temperature control issues when the cooler circuit is part of the system
• Fitment problems from using an incorrect replacement radiator

Installation Notes and Tips

Verify vehicle fitment by year, make, model, and tow package before installation. Confirm inlet and outlet hose sizes, transmission cooler line routing, and mounting points against the original radiator. Flush the cooling system, inspect hoses and clamps, and replace worn seals or related components as needed during service.

Quality Assurance

Denso states that its radiators are built to meet OE manufacturer standards for configuration, materials, and durability testing. The 221-0504 is designed to deliver reliable cooling performance in demanding driving conditions while maintaining the fit and function expected from an OE-style replacement.