CSF 2619 Radiator
OE Quality 60-Day Returns
CSF
 1 Row Plastic Tank Aluminum Core

CSF 2619 Radiator

Brand CSF 2619
Box Height (in) 4 5/16
Box Length (in) 34
Box Weight (lbs) 7
Box Width (in) 18 7/16
Cap Included No
Core Length 26 3/8
Core Material Aluminum
Core Thickness 5/8
Core Width 14 1/2
Csf Cap Number 4503
Down Flow Or Cross Flow Type Cross Flow
Hazardous Material No
Inlet Diameter 1 1/2 Right
Inlet Length (in) 14 13/16
Inlet Width (in) 1 5/8
Oil Cooler (in) 7 7/8 (high-effeciency Concentric Type)
Outlet Diameter 1 1/2 Left
Outlet Length (in) 14 13/16
Outlet Width (in) 1 5/8
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 · 8 vehicles

OE-style construction. Plastic tanks and an aluminum core mirror original equipment design.

Cross-flow design. Promotes efficient coolant flow for consistent heat transfer.

Wind tunnel tested. Validated for cooling performance in lab conditions.

Cross-references APDI 8011839, DENSO Auto Parts 221-3600 and OSC 1839 for the same application. See all 9.

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CSF 2619 Radiator for Subaru Legacy

The CSF 2619 is an OE-style radiator built with a plastic tank and aluminum core for 1995-1999 Subaru Legacy applications. It is engineered as a cross flow unit with a 1-row core layout and dimensions that match the listed fitment requirements for direct replacement service.

Key Features

  • OE-style plastic tank and aluminum core construction
  • Cross flow design with 1-row core
  • Core thickness: 5/8 in.
  • Core size: 26 3/8 in. length x 14 1/2 in. width
  • Inlet: 1 1/2 in. right side
  • Outlet: 1 1/2 in. left side
  • High-efficiency concentric-type oil cooler section: 7 7/8 in.
  • Designed and wind tunnel tested for cooling performance validation

Detailed Description

CSF 2619 is a replacement radiator for Subaru Legacy models from 1995 through 1999, including L, LS, and LSD trims. It uses an OEM-style plastic tank and aluminum core design to match the original cooling system layout, with a cross flow configuration and right-side inlet, left-side outlet routing. This part number, CSF 2619, is built for drivers needing a direct-fit radiator for Subaru Legacy cooling system service.

CSF’s radiator line is manufactured to high-performance standards and backed by decades of global OE and aftermarket supply experience. The brand states its factories are ISO/TSO certified and that its radiator designs are validated through laboratory wind tunnel testing. This product line includes more than 10,000 radiator models across many vehicle applications, and CSF 2619 reflects that OE-focused approach for the Subaru Legacy platform.

This part cross-references Spectra Premium CU1853 and DENSO Auto Parts 221-3600 for the same application.

Common Issues This Radiator Can Address

  • Coolant leaks from aged plastic tank seams
  • Restricted cooling performance from a deteriorated core
  • Overheating caused by internal corrosion or blockage
  • Damaged inlet or outlet necks on the original radiator
  • Cooling system service needs on a 1995-1999 Subaru Legacy

Installation Notes and Tips

Fits 1995-1999 Subaru Legacy, N/A. Notes for this application include OE style design and use of a Mini, 13 psi cap. Verify inlet and outlet orientation before installation, and confirm the radiator matches the vehicle’s original cross flow layout and core dimensions. The cap is not included.

Quality Assurance

CSF manufactures radiators to controlled production standards and validates cooling performance through laboratory testing. The brand also notes ISO/TSO-certified factory operations and long-term global supply experience across a broad range of vehicle applications.

Related reading

This part fits 8 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelTransmissionLitersCylindersPositionNotes
1999SubaruLegacyAutomatic2.5LH4N/AOE Style Design; Use Mini, 13 psi Cap; L, LS, LSD; 1 Row Plastic Tank Aluminum Core
1999SubaruLegacy—2.2LH4N/AOE Style Design; Use Mini, 13 psi Cap; L, LS, LSD; 1 Row Plastic Tank Aluminum Core
1998SubaruLegacyAutomatic2.5LH4N/AOE Style Design; Use Mini, 13 psi Cap; L, LS, LSD; 1 Row Plastic Tank Aluminum Core
1998SubaruLegacy—2.2LH4N/AOE Style Design; Use Mini, 13 psi Cap; L, LS, LSD; 1 Row Plastic Tank Aluminum Core
1997SubaruLegacyAutomatic2.5LH4N/AOE Style Design; Use Mini, 13 psi Cap; L, LS, LSD; 1 Row Plastic Tank Aluminum Core
1997SubaruLegacy—2.2LH4N/AOE Style Design; Use Mini, 13 psi Cap; L, LS, LSD; 1 Row Plastic Tank Aluminum Core
1996SubaruLegacy—2.2LH4N/AOE Style Design; Use Mini, 13 psi Cap; L, LS, LSD; 1 Row Plastic Tank Aluminum Core
1995SubaruLegacy—2.2LH4N/AOE Style Design; Use Mini, 13 psi Cap; L, LS, LSD; 1 Row Plastic Tank Aluminum Core
Directly replaces or cross-references 9 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
APDI — 8011839DENSO Auto Parts — 221-3600OSC — 1839Spectra Premium — CU185345199 AC04045199 AC07045199 AC07145199 AC280SU3010114