CSF 3500 Radiator
OE Quality 60-Day Returns
CSF
 1 Row Plastic Tank Aluminum Core

CSF 3500 Radiator

Brand CSF 3500
Box Height (in) 4 1/2
Box Length (in) 29 7/8
Box Weight (lbs) 8
Box Width (in) 20 13/16
Cap Included No
Core Length 13 3/8
Core Material Aluminum
Core Thickness 5/8
Core Width 27
Csf Cap Number 4503
Down Flow Or Cross Flow Type Down Flow
Hazardous Material No
Inlet Diameter 1 9/16 Left
Inlet Length (in) 27 13/16
Inlet Width (in) 1 1/8
Oil Cooler (in) 14 3/4 (high-efficiency Plate Type)
Outlet Diameter 1 9/16 Left
Outlet Length (in) 27 13/16
Outlet Width (in) 1 1/8
Radiator Core Row Quantity 1
Tank Material Plastic
Tech Note O.E.M. style Plastic tanks & Aluminum core.
Product line 1 Row Plastic Tank Aluminum Core
Fits Subaru · 10 vehicles

OE-style design. Plastic tanks and an aluminum core match the original radiator layout.

Wind tunnel tested. Engineered to validate cooling performance in lab testing.

1-row construction. A single-row core helps keep the radiator compact and efficient.

Cross-references APDI 8013293, BBB Industries 13293 and 45111 AJ01A for the same application. See all 7.

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OE-Style Radiator for Subaru Legacy and Outback

CSF 3500 is a direct-fit radiator built with an aluminum core and plastic tanks in an OE-style layout. It is designed for 2010-2014 Subaru Legacy and 2010-2014 Subaru Outback applications, with fitment matched to the listed factory configurations.

The CSF 1 Row Plastic Tank Aluminum Core line focuses on factory-style cooling performance with a lightweight aluminum core, plastic end tanks, and a down-flow design. CSF manufactures radiators to high-performance standards and validates cooling performance through wind tunnel testing, supporting consistent heat transfer for daily driving and replacement service.

  • Fits 2014 Subaru Legacy, N/A
  • Fits 2014 Subaru Outback, N/A
  • Fits 2010-2013 Subaru Legacy, N/A; OE style design with Mini 16 psi cap.
  • Fits 2010-2013 Subaru Outback, N/A; OE style design with Mini 16 psi cap.
  • 1-row radiator construction with 5/8 in core thickness
  • Aluminum core with plastic tanks for OE-style replacement fitment
  • Down-flow configuration with left-side 1 9/16 in inlet and outlet
  • Integrated 14 3/4 in high-efficiency plate-type oil cooler
  • Cap not included

Detailed Product Overview

CSF 3500 is engineered as an OE-style replacement radiator for Subaru Legacy and Subaru Outback models listed above. The radiator uses a 1-row aluminum core with plastic tanks, a 27 in core width, and a 13 3/8 in core length to match the factory cooling package. This part number, CSF 3500, is built for vehicles that require the specified left-side inlet and outlet layout and the listed down-flow configuration.

This radiator cross-references APDI 8013293 and BBB Industries 13293 for the same application.

Common Cooling Issues This Radiator Addresses

  • Leaking radiator tanks or core seams
  • Restricted coolant flow from an aging radiator
  • Overheating caused by reduced heat transfer efficiency
  • Cracked or brittle plastic end tanks
  • Replacement needs after corrosion or internal clogging

Installation Notes and Tips

Verify the vehicle year, model, and cooling configuration before installation. This radiator is listed for 2010-2014 Subaru Legacy and 2010-2014 Subaru Outback applications, with notes calling out OE-style design and Mini 16 psi cap requirements on the 2010-2013 models. Confirm inlet and outlet orientation, core dimensions, and oil cooler routing against the original unit before removal.

Quality Assurance

CSF states that its factories are ISO/TSO certified and that its radiators are engineered to high-performance standards. The brand also notes laboratory wind tunnel testing for cooling performance validation and more than 50 years of radiator manufacturing experience.

Related reading

This part fits 10 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2014SubaruLegacy2.5LH4N/A1 Row Plastic Tank Aluminum Core
2014SubaruOutback2.5LH4N/A1 Row Plastic Tank Aluminum Core
2013SubaruLegacy2.5LH4N/AOE style design with Mini 16 psi cap.; 1 Row Plastic Tank Aluminum Core
2013SubaruOutback2.5LH4N/AOE style design with Mini 16 psi cap.; 1 Row Plastic Tank Aluminum Core
2012SubaruLegacy2.5LH4N/AOE style design with Mini 16 psi cap.; 1 Row Plastic Tank Aluminum Core
2012SubaruOutback2.5LH4N/AOE style design with Mini 16 psi cap.; 1 Row Plastic Tank Aluminum Core
2011SubaruLegacy2.5LH4N/AOE style design with Mini 16 psi cap.; 1 Row Plastic Tank Aluminum Core
2011SubaruOutback2.5LH4N/AOE style design with Mini 16 psi cap.; 1 Row Plastic Tank Aluminum Core
2010SubaruLegacy2.5LH4N/AOE style design with Mini 16 psi cap.; 1 Row Plastic Tank Aluminum Core
2010SubaruOutback2.5LH4N/AOE style design with Mini 16 psi cap.; 1 Row Plastic Tank Aluminum Core
Directly replaces or cross-references 7 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
APDI — 8013293BBB Industries — 1329345111 AJ01A45111 AJ07A45111 AJ09ACU13293SU3010659