Denso 221-3601 Radiator

Overview of the Denso Radiator 221-3601 for Subaru Vehicles

The Denso radiator part number 221-3601 is designed specifically for Subaru models including the Baja, Legacy, and Outback. This radiator features precise core dimensions and includes a transmission oil cooler, ensuring efficient engine and transmission cooling performance.

• Core Height: 13.375 inches
• Core Width: 27.062 inches
• Core Thickness: 0.625 inches
• Inlet Diameter: 1.5 inches
• Outlet Diameter: 1.5 inches
• Includes Transmission Oil Cooler

Detailed Specifications and Design Features

The Denso 221-3601 radiator is engineered with a core height of 13.375 inches and a width of 27.062 inches, providing ample surface area for heat dissipation. Its core thickness of 0.625 inches balances cooling efficiency with durability. Both the inlet and outlet diameters measure 1.5 inches, compatible with the original Subaru cooling system hoses. The integrated transmission oil cooler supports the vehicle’s transmission by maintaining optimal fluid temperatures, which is critical for the Subaru Baja, Legacy, and Outback models during varied driving conditions.

Compatible Subaru Models and Common Applications

This radiator is compatible with the following Subaru vehicles:

• Subaru Baja
• Subaru Legacy
• Subaru Outback

It is commonly used to address issues such as:

• Engine overheating due to radiator core damage or clogging
• Transmission fluid overheating affecting shifting performance
• Leaks in the radiator or transmission oil cooler
• Reduced cooling efficiency from corrosion or wear
• Replacement of factory radiator for maintenance or repair

Installation Notes and Recommendations

When installing the Denso radiator 221-3601, ensure all hose connections match the 1.5-inch inlet and outlet diameters for a secure fit. It is recommended to inspect and replace any worn hoses or clamps during installation. Proper bleeding of the cooling system after installation will help prevent air pockets and ensure optimal cooling performance. Professional installation is advised to maintain system integrity and avoid damage.

Quality Assurance and Warranty Information

Denso radiators are manufactured to meet or exceed OEM specifications for fit, form, and function. The 221-3601 radiator undergoes rigorous quality control to ensure durability and reliable cooling performance. While specific warranty details may vary, Denso typically offers a limited warranty covering defects in materials and workmanship. Refer to the product documentation for exact warranty terms.