CSF
1 Row Plastic Tank Aluminum Core

CSF 3142 Radiator

Brand CSF 3142
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 3/4
Core Material Aluminum
Core Thickness 5/8
Core Width 27 1/16
Csf Cap Number 4513
Down Flow Or Cross Flow Type Down Flow
Hazardous Material No
Inlet Diameter 1 1/8 (2 inlets) Left
Inlet Length (in) 27 13/16
Inlet Width (in) 1 3/16
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 3/16
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 · 7 vehicles

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

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

Down-flow design. Built for efficient coolant flow through the radiator.

Cross-references Anchor 2779, APDI 8012779 and Spectra Premium CU2779 for the same application. See all 5.

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Order total $110.62
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Free returns within 60 days if it doesn't fit when fitment is verified.

OE-Style Radiator for Subaru Legacy and Outback

CSF Part Number 3142 is an OE-style radiator built with a 1-row aluminum core and plastic tanks for Subaru cooling system service. It is designed for 2005-2009 Subaru Outback and 2008-2009 Subaru Legacy applications, with fitment details that match the factory-style layout.

The CSF 3142 radiator uses a down-flow design with a 5/8-inch core thickness, 27 1/16-inch core width, and 13 3/4-inch core length. It also includes a high-efficiency plate-type oil cooler and left-side inlet and outlet configuration, making it a direct replacement choice for Subaru Legacy radiator and Subaru Outback radiator service.

Key Features

  • CSF Part Number 3142
  • 1-row aluminum core with plastic tanks
  • Down-flow radiator design
  • Core thickness: 5/8 inch
  • Core width: 27 1/16 inches
  • Core length: 13 3/4 inches
  • Left-side inlet and outlet layout
  • High-efficiency plate-type oil cooler
  • OE-style plastic tank and aluminum core construction

Product Details

CSF manufactures radiators to high-performance standards and validates cooling performance through laboratory wind-tunnel testing. The brand supplies a wide range of radiator designs for many vehicle platforms, and Part Number 3142 reflects that OE-style approach with factory-matched materials and dimensions. For shoppers searching for a Subaru Legacy radiator replacement or a Subaru Outback cooling system repair part, this unit provides the correct style and configuration for the listed applications.

This part cross-references Spectra Premium CU2779 for the same application.

Common Cooling System Issues

  • Cracked or leaking plastic radiator tanks
  • Reduced cooling efficiency from a damaged core
  • Transmission or engine temperature concerns tied to radiator wear
  • Oil cooler service needs on equipped vehicles
  • Factory radiator replacement after age-related deterioration

Installation Notes and Tips

Fits 2008-2009 Subaru Legacy, N/A. Fits 2005-2009 Subaru Outback, N/A. Verify the left-side inlet and outlet layout, OE-style plastic tank construction, and the use of a Micro, 16 psi cap before installation. Confirm radiator dimensions and hose routing against the original unit to ensure proper alignment with the vehicle’s cooling system.

Quality Assurance

CSF states that its factories are ISO/TSO certified and that its radiators are engineered for cooling performance validation. Part Number 3142 is built to the brand’s OE-style standards for Subaru Legacy and Subaru Outback applications.

This part fits 7 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2009SubaruLegacy3.0LH6N/AOE Style Design; Use Micro, 16 psi Cap; L, LS, LSD; 1 Row Plastic Tank Aluminum Core
2009SubaruOutback3.0LH6N/AOE Style Design; Use Micro, 16 psi Cap; L, LS, LSD; 1 Row Plastic Tank Aluminum Core
2008SubaruLegacy3.0LH6N/AOE Style Design; Use Micro, 16 psi Cap; L, LS, LSD; 1 Row Plastic Tank Aluminum Core
2008SubaruOutback3.0LH6N/AOE Style Design; Use Micro, 16 psi Cap; L, LS, LSD; 1 Row Plastic Tank Aluminum Core
2007SubaruOutback3.0LH6N/AOE Style Design; Use Micro, 16 psi Cap; L, LS, LSD; 1 Row Plastic Tank Aluminum Core
2006SubaruOutback3.0LH6N/AOE Style Design; Use Micro, 16 psi Cap; L, LS, LSD; 1 Row Plastic Tank Aluminum Core
2005SubaruOutback3.0LH6N/AOE Style Design; Use Micro, 16 psi Cap; L, LS, LSD; 1 Row Plastic Tank Aluminum Core
Directly replaces or cross-references 5 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Anchor — 2779APDI — 8012779Spectra Premium — CU277945111 AG04ASU3010151