CSF 2977 Radiator
OE Quality 60-Day Returns
CSF
 1 Row Plastic Tank Aluminum Core

CSF 2977 Radiator

Brand CSF 2977
Core Thickness 7/8
Core Width 25 7/8
Core Material Aluminum
Tank Material Plastic
Core Length 13 3/4
Inlet Diameter 1 5/16 left
Outlet Diameter 1 5/16 right
Down Flow Or Cross Flow Type Down flow
Radiator Core Row Quantity 1
Cap Included No
Box Height (in) 5 4/16
Box Length (in) 28 1/2
Box Weight (lbs) 8
Box Width (in) 20 13/16
Csf Cap Number 4514
Hazardous Material No
Inlet Length (in) 26 7/16
Inlet Width (in) 1 5/8
Outlet Length (in) 26 7/16
Outlet Width (in) 1 5/8
Tech Note O.e.m. style plastic tanks & aluminum core.
Product line 1 Row Plastic Tank Aluminum Core
Fits Honda · 7 vehicles

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

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

Down-flow design. Promotes efficient coolant flow through the radiator.

Cross-references APDI 8012574, OSC 2574 and Spectra Premium CU2574 for the same application. See all 5.

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Free returns within 60 days if it doesn't fit when fitment is verified.
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OE-Style Cooling for Honda Civic

This CSF radiator is built for 2002-2005 Honda Civic applications with an OE-style plastic tank and aluminum core design. It is engineered for direct replacement use where dependable engine cooling and factory-style fitment matter.

Part number 2977 is a down-flow radiator with a 1-row core, 7/8-inch core thickness, and left-side inlet/right-side outlet layout. The CSF 2977 is designed around the dimensions and connection points needed for 2002-2005 Honda Civic radiator replacement work.

Key Features

  • Fits 2002-2005 Honda Civic, N/A
  • 1-row down-flow radiator design
  • Plastic tank and aluminum core construction
  • Core thickness: 7/8 inch
  • Core width: 25 7/8 inches
  • Core length: 13 3/4 inches
  • Inlet diameter: 1 5/16 left
  • Outlet diameter: 1 5/16 right
  • OE-style plastic tanks with aluminum core

Product Details

CSF builds radiators to high-performance manufacturing standards and validates cooling performance through laboratory wind-tunnel testing. The brand supplies a wide range of radiator designs for many vehicle applications, and part number 2977 follows an OE-style layout for the 2002-2005 Honda Civic. This radiator uses plastic tanks with an aluminum core to match common factory-style cooling system architecture while maintaining the correct inlet and outlet orientation.

This part cross-references APDI 8012574 for the same application.

Common Cooling Issues Addressed

  • Cracked or leaking radiator tanks
  • Restricted coolant flow from an aging core
  • Overheating caused by reduced heat transfer
  • Damaged inlet or outlet necks
  • Replacement needs after corrosion or physical damage

Installation Notes

Verify radiator dimensions, hose routing, and connection orientation before installation. This unit does not include a cap, and the listed cap reference is CSF 4514. For the 2002-2005 Honda Civic, follow the OE-style design note and use a Micro, 16 psi cap as specified in the fitment notes.

Quality Assurance

CSF manufactures radiators in ISO/TSO-certified facilities and applies engineering validation to support consistent cooling performance. Part number 2977 is built as an OE-style replacement radiator for the Honda Civic cooling system.

Related reading

This part fits 7 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersPositionNotes
2005HondaCivicSi2.0LL4N/AOE Style Design; Use Micro, 16 psi Cap; 1 Row Plastic Tank Aluminum Core
2004HondaCivicSi2.0LL4N/AOE Style Design; Use Micro, 16 psi Cap; 1 Row Plastic Tank Aluminum Core
2004HondaCivicSiR2.0LL4N/AOE Style Design; Use Micro, 16 psi Cap; 1 Row Plastic Tank Aluminum Core
2003HondaCivicSiR2.0LL4N/AOE Style Design; Use Micro, 16 psi Cap; 1 Row Plastic Tank Aluminum Core
2003HondaCivicSi2.0LL4N/AOE Style Design; Use Micro, 16 psi Cap; 1 Row Plastic Tank Aluminum Core
2002HondaCivicSi2.0LL4N/AOE Style Design; Use Micro, 16 psi Cap; 1 Row Plastic Tank Aluminum Core
2002HondaCivicSiR2.0LL4N/AOE Style Design; Use Micro, 16 psi Cap; 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.
APDI — 8012574OSC — 2574Spectra Premium — CU257419010 - PRA - 003HO3010182