CSF
1 Row Plastic Tank Aluminum Core

CSF 3259 Radiator

Brand CSF 3259
Box Height (in) 7
Box Length (in) 33
Box Weight (lbs) 15
Box Width (in) 21
Cap Included No
Core Length 26
Core Material Aluminum
Core Thickness 15/16
Core Width 16 7/8
Down Flow Or Cross Flow Type Cross Flow
Hazardous Material No
Inlet Diameter 1 3/8 Left
Inlet Length (in) 16 7/8
Inlet Width (in) 1 9/16
Oil Cooler (in) 12 (high-efficiency Plate Type)
Outlet Diameter 1 3/8 Right
Outlet Length (in) 16 7/8
Outlet Width (in) 2 3/4
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 Chevrolet · 1 vehicle

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

Cross-flow layout. Promotes efficient coolant movement for steady heat transfer.

Wind tunnel tested. Validated for cooling performance in laboratory testing.

Cross-references APDI 8012764, OSC 2764 and Partslink Numbering System GM3010462 for the same application. See all 6.

$151.13Free shipping
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Step 2 — Quantity
Order total $151.13
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

OE-Style Cooling Replacement

This CSF radiator is built for the 2005 Chevrolet Equinox with an OE-style plastic tank and aluminum core design. It is engineered for direct-fit cooling performance and is a practical choice when replacing a leaking, clogged, or damaged radiator.

Part number 3259 is a cross flow radiator with a 1-row core, left-side inlet, and right-side outlet layout. The CSF 3259 design follows OEM-style construction for the 2005 Chevrolet Equinox and is built to match the vehicle’s cooling system layout.

Key Features

  • Fits 2005 Chevrolet Equinox, N/A
  • CSF part number 3259
  • 1-row cross flow radiator design
  • Plastic tank and aluminum core construction
  • Core thickness: 15/16 in.
  • Core dimensions: 26 in. length x 16 7/8 in. width
  • Inlet diameter: 1 3/8 in. left
  • Outlet diameter: 1 3/8 in. right
  • Integrated 12 in. high-efficiency plate-type oil cooler
  • OEM-style plastic tanks with aluminum core

Product Details

CSF manufactures radiators to high-performance standards and has supplied cooling products worldwide for decades. The brand line for this radiator focuses on OE-style plastic tank and aluminum core construction, which is commonly selected for direct replacement service on vehicles like the Chevrolet Equinox. Part number 3259 is engineered and wind-tunnel tested for cooling performance validation, with dimensions and port placement that align with the original system layout.

This radiator cross-references APDI 8012764 and Spectra Premium CU2764 for the same application.

Common Cooling Problems It Can Address

  • Coolant leaks from cracked or aging radiator tanks
  • Restricted coolant flow from internal buildup or corrosion
  • Overheating caused by reduced heat transfer efficiency
  • Damaged inlet or outlet connections
  • Cooling system performance loss on a 2005 Chevrolet Equinox

Installation Notes

Verify inlet and outlet orientation before installation: this unit uses a left inlet and right outlet configuration. Confirm core dimensions, hose connection size, and oil cooler routing against the original radiator on the 2005 Chevrolet Equinox before removal. Transfer any vehicle-specific components required by the application, and inspect hoses, clamps, and coolant condition during replacement.

Quality Assurance

CSF radiators are produced in ISO/TSO-certified factories and validated through laboratory testing for cooling performance. The brand has manufactured and supplied radiators for more than 50 years across a wide range of vehicle applications.

This part fits 1 vehicle
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2005ChevroletEquinox3.4LV6N/AOE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core
Directly replaces or cross-references 6 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
APDI — 8012764OSC — 2764Partslink Numbering System — GM3010462Spectra Premium — CU27641524642622722595