Part #: 221-3608

Denso 221-3608 Radiator

⚙️ 4 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Subaru, Outback
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Overview of Denso Radiator 221-3608 for Subaru Outback

The Denso radiator 221-3608 is engineered specifically for Subaru Outback models, providing reliable cooling performance. Designed with precise core dimensions and integrated transmission oil cooler, this radiator supports optimal engine temperature management.

  • Core Height: 13.75 inches
  • Core Width: 27.5 inches
  • Core Thickness: 1.0 inch
  • Inlet Diameter: 1.125 inches
  • Outlet Diameter: 1.5 inches
  • Includes Transmission Oil Cooler

Detailed Product Description

This Denso radiator, part number 221-3608, features a core height of 13.75 inches and a width of 27.5 inches, with a thickness of 1 inch, ensuring efficient heat dissipation for the Subaru Outback. The radiator includes an integrated transmission oil cooler, which helps maintain transmission fluid temperature, enhancing transmission longevity and performance. The inlet and outlet diameters of 1.125 inches and 1.5 inches respectively are designed to match the Subaru Outback’s cooling system specifications, ensuring proper fitment and fluid flow.

Common Applications and Issues Addressed

  • Overheating engine due to radiator failure
  • Transmission fluid overheating affecting shifting performance
  • Leaks or cracks in the radiator core
  • Reduced cooling efficiency from clogged or damaged radiator
  • Replacement for worn or corroded radiator components

Installation Notes and Tips

When installing the Denso radiator 221-3608 on a Subaru Outback, ensure all hose connections match the specified inlet and outlet diameters for a secure fit. Properly bleed the cooling system after installation to remove air pockets. Inspect transmission lines connected to the integrated oil cooler for leaks or damage. It is recommended to replace coolant and transmission fluid as part of the installation process to maintain system integrity.

Quality Assurance and Warranty

Denso radiators are manufactured to meet OEM standards for durability and performance. The 221-3608 radiator undergoes rigorous quality control to ensure compatibility with Subaru Outback models. While specific warranty details may vary, Denso products typically include a limited warranty covering defects in materials and workmanship under normal use.

BrandDenso
Part Number221-3608
Core Height13.7500
Core Thickness1.0000
Core Width27.5000
Inlet Diameter1.1250
Outlet Diameter1.5000
Transmission Oil Cooler IncludedYES

This part fits 4 vehicles. Search below:

YearMakeModelPositionNotes
2004SubaruOutbackN/A
2003SubaruOutbackN/A
2002SubaruOutbackN/A
2001SubaruOutbackN/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:

8012465

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