Part #: 221-3603

Denso 221-3603 Radiator

⚙️ 3 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Subaru, Forester
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Overview of the Denso Radiator for Subaru Forester

The Denso 221-3603 radiator is designed specifically for Subaru Forester models, providing reliable cooling performance. This radiator includes a built-in transmission oil cooler, making it a comprehensive solution for your vehicle's cooling system needs.

  • Core Height: 14.187 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 Product Description

The Denso 221-3603 radiator features a core measuring 14.187 inches in height, 27.062 inches in width, and 0.625 inches in thickness, ensuring efficient heat dissipation for the Subaru Forester. The radiator’s inlet and outlet diameters are both 1.5 inches, compatible with the vehicle’s cooling system hoses. The integrated transmission oil cooler helps maintain optimal transmission fluid temperature, contributing to overall vehicle performance and longevity.

Compatible Vehicles and Applications

This radiator is compatible with Subaru Forester models requiring a direct replacement radiator with transmission oil cooler integration. It is suitable for those seeking to address cooling system issues or replace a damaged radiator with a part that meets OEM specifications.

  • Overheating due to radiator core damage or clogging
  • Transmission fluid overheating
  • Leaks in the radiator or transmission oil cooler
  • Reduced cooling efficiency impacting engine performance
  • Corrosion or physical damage to the existing radiator

Installation Notes and Tips

When installing the Denso 221-3603 radiator, ensure all connections to the inlet and outlet hoses are secure and free of leaks. Properly bleed the cooling system to remove air pockets after installation. Verify transmission fluid levels and check for leaks around the integrated transmission oil cooler. It is recommended to inspect related components such as hoses and clamps during installation.

Quality Assurance and Warranty

Denso radiators are manufactured to meet strict quality standards, ensuring durability and reliable performance. The 221-3603 radiator undergoes rigorous testing to comply with OEM specifications for fit, form, and function. Warranty coverage details should be confirmed with the supplier or manufacturer, as they may vary.

BrandDenso
Part Number221-3603
Core Height14.1870
Core Thickness0.6250
Core Width27.0620
Inlet Diameter1.5000
Outlet Diameter1.5000
Transmission Oil Cooler IncludedYES

This part fits 3 vehicles. Search below:

YearMakeModelTransmissionPositionNotes
2008SubaruForesterAutomaticN/A
2007SubaruForesterAutomaticN/A
2006SubaruForesterN/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

8012674

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.