CSF
1 Row Plastic Tank Aluminum Core

CSF 2623 Radiator

Brand CSF 2623
Core Thickness 7/8
Core Width 27 7/8
Core Material Aluminum
Tank Material Plastic
Core Length 13 3/4
Inlet Diameter 1 1/4 left
Outlet Diameter 1 1/4 right
Down Flow Or Cross Flow Type Down flow
Radiator Core Row Quantity 1
Cap Included No
Box Height (in) 6 1/16
Box Length (in) 30 7/16
Box Weight (lbs) 10
Box Width (in) 21 3/16
Csf Cap Number 4514
Hazardous Material No
Inlet Length (in) 28 1/8
Inlet Width (in) 1 5/16
Oil Cooler (in) 15 3/4 (high-effeciency concentric type)
Outlet Length (in) 28 1/8
Outlet Width (in) 1 3/4
Tech Note O.e.m. style plastic tanks & aluminum core.
Product line 1 Row Plastic Tank Aluminum Core
Fits Toyota · 2 vehicles

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

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

1-row design. A single-row core keeps the radiator compact and efficient.

Cross-references APDI 8011859, DENSO Auto Parts 221-3134 and OSC 1859 for the same application. See all 7.

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

OE-Style Cooling for Toyota RAV4

This CSF radiator is built for 1996-1997 Toyota RAV4 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.

Key Features

  • Fits 1996-1997 Toyota RAV4, N/A
  • CSF Part Number: 2623
  • 1-row down-flow radiator design
  • Plastic tank and aluminum core construction
  • Core thickness: 7/8 in.
  • Core width: 27 7/8 in.; core length: 13 3/4 in.
  • 1 1/4 in. left inlet and 1 1/4 in. right outlet
  • Oil cooler: 15 3/4 in. high-efficiency concentric type
  • Cap not included

Product Details

CSF 2623 is a radiator from the 1 Row Plastic Tank Aluminum Core line, built with OEM-style plastic tanks and an aluminum core. CSF states its radiators are engineered to high-performance standards, validated through wind-tunnel testing, and manufactured in ISO/TSO-certified facilities. For Toyota RAV4 owners seeking a direct-fit cooling replacement, this radiator follows the original down-flow layout and uses the specified inlet and outlet sizing for the listed application.

This part cross-references Spectra Premium CU1859 for the same application.

Common Cooling Issues It Can Address

  • Coolant leaks from aging radiator tanks or seams
  • Restricted coolant flow from a worn or damaged core
  • Overheating caused by reduced heat transfer efficiency
  • Fitment problems from non-OE-style replacement radiators
  • Cooling system service needs on a 1996-1997 Toyota RAV4

Installation Notes and Tips

Verify radiator dimensions, inlet and outlet orientation, and oil cooler connection points before installation. This radiator is listed for 1996-1997 Toyota RAV4 models with N/A position fitment and OE-style design. The application notes specify use with a Micro, 13 psi cap; the cap is not included.

Quality Assurance

CSF manufactures a broad range of radiators for major vehicle platforms and validates cooling performance during development. The brand notes ISO/TSO-certified production and long-term global supply experience, supporting consistent OE-style replacement quality for the Toyota RAV4 radiator application.

This part fits 2 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
1997ToyotaRAV42.0LL4N/AOE Style Design; Use Micro, 13 psi Cap; 1 Row Plastic Tank Aluminum Core
1996ToyotaRAV42.0LL4N/AOE Style Design; Use Micro, 13 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 — 8011859DENSO Auto Parts — 221-3134OSC — 1859Spectra Premium — CU185916400 - 7A11116400 - 7A122TO3010159