Denso 221-3306 Radiator

Denso Radiator for OE-Style Cooling

The Denso 221-3306 radiator is built for direct-fit engine cooling performance in select Dodge Stratus and Mitsubishi Eclipse applications. It uses OE-matched dimensions and materials to support proper heat transfer, stable operating temperatures, and reliable fitment.

• Core height: 13.7500
• Core width: 28.2500
• Core thickness: 0.6250
• Inlet diameter: 1.3750
• Outlet diameter: 1.3750
• Transmission oil cooler included: yes

OE-Matched Construction

Denso supplies radiators to original equipment manufacturers worldwide, and this radiator reflects that OE-focused engineering. The core dimensions, tank configuration, fin pitch, and materials are built to meet strict manufacturer standards, helping maintain consistent cooling performance under demanding driving conditions. If you are replacing a worn radiator on a 2001-2002 Dodge Stratus or a 2000-2002 Mitsubishi Eclipse, part number 221-3306 provides a direct replacement path with the correct cooling-system connections.

This part cross-references Spectra Premium CU2410 and CSF 3097 for the same application.

Vehicle Fitment

• Fits 2001-2002 Dodge Stratus, N/A
• Fits 2001-2002 Mitsubishi Eclipse, N/A, To 01/02
• Fits 2001 Mitsubishi Eclipse, N/A
• Fits 2000 Mitsubishi Eclipse, N/A, From 01/00
• Fits 2000 Mitsubishi Eclipse, N/A, To 05/00

Common Cooling Issues This Radiator Addresses

• Overheating caused by a leaking or restricted radiator
• Coolant loss from cracked tanks or damaged core passages
• Poor heat rejection from an aging factory radiator
• Transmission cooling concerns when the integrated cooler is part of the circuit
• Fitment problems from using a non-OE-style replacement

Installation Notes and Tips

Verify inlet and outlet hose sizes before installation, and confirm the vehicle build date for 2000-2002 Mitsubishi Eclipse applications. Inspect hoses, clamps, and the radiator cap condition during replacement, and flush the cooling system if contamination or debris is present. Part number 221-3306 is intended for vehicles with the listed fitment and should be matched to the existing cooling-system layout before installation.

Quality Assurance

Denso states that its radiators undergo durability and function testing to help ensure dependable operation. As an OE supplier, Denso builds this radiator to support consistent cooling performance and proper fitment in the listed Dodge Stratus and Mitsubishi Eclipse applications.