Part #: 221-3607

Denso 221-3607 Radiator

⚙️ 7 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, Legacy and Outback
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Overview of the Denso Radiator 221-3607 for Subaru Legacy and Outback

The Denso radiator part number 221-3607 is designed specifically for Subaru Legacy and Outback models. This radiator includes a built-in transmission oil cooler, providing efficient cooling performance tailored to these vehicles.

  • Core Height: 13.75 inches
  • Core Thickness: 0.625 inches
  • Core Width: 27.187 inches
  • Transmission Oil Cooler Included
  • Inlet Diameter: 1.125 inches
  • Outlet Diameter: 1.562 inches

Detailed Specifications and Features

The Denso 221-3607 radiator features a core measuring 13.75 inches in height, 27.187 inches in width, and 0.625 inches in thickness, ensuring optimal heat dissipation for Subaru Legacy and Outback vehicles. The integrated transmission oil cooler supports transmission fluid temperature regulation, which is critical for maintaining transmission performance and longevity. The radiator’s inlet and outlet diameters of 1.125 inches and 1.562 inches respectively are designed to match factory specifications, facilitating straightforward installation and reliable coolant flow.

Applications and Problem Solving

This radiator is compatible with Subaru Legacy and Outback models, making it a direct replacement for worn or damaged cooling components. It addresses several common issues including:

  • Overheating due to radiator core damage or clogging
  • Transmission fluid overheating by integrating a dedicated oil cooler
  • Coolant leaks from cracked or corroded radiator tanks
  • Reduced engine cooling efficiency from deteriorated radiator cores

Installation Notes and Tips

  • Ensure compatibility with your specific Subaru Legacy or Outback model year before installation
  • Drain coolant and transmission fluid prior to removal to avoid spills
  • Inspect hoses and clamps for wear and replace if necessary during installation
  • Bleed the cooling system properly after installation to prevent air pockets

Quality Assurance and Warranty

Denso radiators are manufactured to meet OEM standards for fit, form, and function. The 221-3607 radiator undergoes rigorous quality control to ensure durability and performance. While specific warranty details may vary, Denso products typically include a limited warranty covering defects in materials and workmanship.

BrandDenso
Part Number221-3607
Core Height13.7500
Core Thickness0.6250
Core Width27.1870
Inlet Diameter1.1250
Outlet Diameter1.5620
Transmission Oil Cooler IncludedYES

This part fits 7 vehicles. Search below:

YearMakeModelPositionNotes
2009SubaruLegacyN/A
2009SubaruOutbackN/A
2008SubaruLegacyN/A
2008SubaruOutbackN/A
2007SubaruOutbackN/A
2006SubaruOutbackN/A
2005SubaruOutbackN/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:

8012779

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