Denso 221-9225 Radiator
OE Quality 60-Day Returns
Denso

Denso 221-9225 Radiator

Brand Denso 221-9225
Core Height 14.1700
Core Thickness 0.6300
Core Width 27.9500
Inlet Diameter 1.5000
Outlet Diameter 1.5200
Transmission Oil Cooler Included YES
Fits Subaru · 3 vehicles

OE experience. Built to OE standards for reliable performance and fit.

Radiator performance. Helps maintain proper engine cooling and function.

Transmission oil cooler included. Adds integrated cooling support in one assembly.

Cross-references APDI 8013026, CSF 3388 and DPI Performance Racing Products 13026 for the same application. See all 8.

$151.00Free shipping
In stock · usually ships same day before 1pm CST
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Order total $151.00
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Free returns within 60 days if it doesn't fit when fitment is verified.
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Denso Radiator for Subaru Forester

The Denso 221-9225 radiator is built for 2006-2008 Subaru Forester applications and follows OE-style dimensions for proper cooling system fitment. With an integrated transmission oil cooler and core sizing matched to the application, it supports stable engine temperature control in daily driving and demanding conditions.

Key Features

  • Fits 2006-2008 Subaru Forester, N/A
  • Core height: 14.1700 in.
  • Core width: 27.9500 in.
  • Core thickness: 0.6300 in.
  • Transmission oil cooler included
  • Inlet diameter: 1.5000 in.; outlet diameter: 1.5200 in.
  • Denso part number 221-9225

Detailed Description

Denso radiators are engineered using OE supplier experience and application-specific design data. The 221-9225 radiator uses the correct core dimensions, tank configuration, fin pitch, and materials to match the original cooling system layout on the Subaru Forester. That attention to fitment helps maintain proper coolant flow, heat transfer, and transmission fluid cooling where equipped.

This radiator cross-references Subaru 45111SA151 for the same application. If you are replacing a leaking, clogged, or damaged radiator on a 2006-2008 Subaru Forester, Denso 221-9225 provides a direct replacement option with OE-focused construction.

Common Problems This Part Can Address

  • Coolant leaks from a cracked or corroded radiator
  • Overheating caused by restricted coolant flow
  • Transmission temperature issues related to a failed cooler circuit
  • Reduced cooling efficiency from damaged fins or internal blockage
  • Fitment problems from an incorrect replacement radiator

Installation Notes and Tips

Verify radiator dimensions, inlet and outlet sizes, and transmission cooler connections before installation. Flush the cooling system, inspect hoses and clamps, and replace worn coolant components as needed to help prevent contamination or repeat failure. Confirm the vehicle is a 2006-2008 Subaru Forester before ordering.

Quality Assurance

Denso states that its radiators are built to OE manufacturer standards and undergo durability and function testing before release. The result is a radiator designed to deliver consistent performance and reliable fitment for the Subaru Forester application.

Related reading

This part fits 3 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelTransmissionPositionNotes
2008SubaruForesterAutomaticN/A—
2007SubaruForesterAutomaticN/A—
2006SubaruForesterAutomaticN/A—
Directly replaces or cross-references 8 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
APDI — 8013026CSF — 3388DPI Performance Racing Products — 13026OSC — 13026Reach Cooling — 41-13026Spectra Premium — CU13026Subaru — 45111SA151TYC Cooling - Archived — 13026