CSF 2820 Radiator
OE Quality 60-Day Returns
CSF
 1 Row Plastic Tank Aluminum Core

CSF 2820 Radiator

Brand CSF 2820
Box Height (in) 6
Box Length (in) 31
Box Weight (lbs) 17
Box Width (in) 31
Cap Included No
Core Length 22 5/8
Core Material Aluminum
Core Thickness 15/16
Core Width 25 1/4
Csf Cap Number 4513
Down Flow Or Cross Flow Type Down Flow
Hazardous Material No
Inlet Diameter 1 3/8 Right
Inlet Length (in) 25 9/16
Inlet Width (in) 1 3/4
Oil Cooler (in) 14 3/4 (high-effeciency Concentric Type)
Outlet Diameter 1 3/8 Left
Outlet Length (in) 25 9/16
Outlet Width (in) 1 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 Toyota · 12 vehicles

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

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

1-row core. Balanced flow design helps support efficient heat transfer.

Cross-references APDI 8011998, DENSO Auto Parts 221-0508 and LIQUI MOLY 2207 for the same application. See all 11.

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OE-Style Cooling for Toyota 4Runner

The CSF 2820 radiator is built for 1996-2002 Toyota 4Runner applications that call for an OE-style plastic tank and aluminum core design. With a 1-row down-flow layout, it supports dependable engine cooling for daily driving and replacement service.

CSF’s 1 Row Plastic Tank Aluminum Core line focuses on factory-style fitment and consistent thermal performance. This radiator follows the original equipment layout for the Toyota 4Runner, making it a direct replacement choice for owners looking for a radiator that matches the vehicle’s cooling system design.

Key Features

  • Fits 1996-2002 Toyota 4Runner, N/A
  • CSF part number 2820
  • 1-row down-flow radiator design
  • Aluminum core with plastic tanks
  • Core thickness: 15/16 in.
  • Core dimensions: 25 1/4 in. wide x 22 5/8 in. long
  • Inlet: 1 3/8 in. right; outlet: 1 3/8 in. left
  • Oil cooler section: 14 3/4 in. high-efficiency concentric type
  • OE-style plastic tanks and aluminum core construction

Detailed Description

CSF 2820 is a replacement radiator engineered for the Toyota 4Runner cooling system used from 1996 through 2002. It uses an aluminum core for heat transfer and plastic tanks for an OE-style configuration, with a down-flow layout that matches the factory-style radiator arrangement. The core measures 25 1/4 inches wide and 22 5/8 inches long, with 1 3/8-inch inlet and outlet connections positioned right and left respectively. This part cross-references Spectra Premium CU1998 and DENSO Auto Parts 221-0508 for the same application.

Common Cooling Issues It Can Address

  • Leaking radiator tanks or core seams
  • Restricted coolant flow from an aging radiator
  • Overheating caused by reduced heat dissipation
  • Corrosion or wear in an original factory radiator
  • Cooling system service needs on a Toyota 4Runner

Installation Notes and Tips

Verify radiator dimensions, inlet and outlet placement, and oil cooler configuration before installation. This radiator does not include a cap; the listed CSF cap number is 4513. The fitment notes specify use with a Micro, 13 psi cap on the 1996-2002 Toyota 4Runner application. Always inspect hoses, clamps, and coolant condition during radiator replacement.

Quality Assurance

CSF manufactures radiators in ISO/TSO certified facilities and validates cooling performance through laboratory wind tunnel testing. The brand has supplied radiators worldwide for more than 50 years and produces a broad range of radiator models for many vehicle applications.

Related reading

This part fits 12 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2002Toyota4Runner3.4LV6N/AOE Style Design; Use Micro, 13 psi Cap; 1 Row Plastic Tank Aluminum Core
2001Toyota4Runner3.4LV6N/AOE Style Design; Use Micro, 13 psi Cap; 1 Row Plastic Tank Aluminum Core
2000Toyota4Runner3.4LV6N/AOE Style Design; Use Micro, 13 psi Cap; 1 Row Plastic Tank Aluminum Core
2000Toyota4Runner2.7LL4N/AOE Style Design; Use Micro, 13 psi Cap; 1 Row Plastic Tank Aluminum Core
1999Toyota4Runner3.4LV6N/AOE Style Design; Use Micro, 13 psi Cap; 1 Row Plastic Tank Aluminum Core
1999Toyota4Runner2.7LL4N/AOE Style Design; Use Micro, 13 psi Cap; 1 Row Plastic Tank Aluminum Core
1998Toyota4Runner3.4LV6N/AOE Style Design; Use Micro, 13 psi Cap; 1 Row Plastic Tank Aluminum Core
1998Toyota4Runner2.7LL4N/AOE Style Design; Use Micro, 13 psi Cap; 1 Row Plastic Tank Aluminum Core
1997Toyota4Runner3.4LV6N/AOE Style Design; Use Micro, 13 psi Cap; 1 Row Plastic Tank Aluminum Core
1997Toyota4Runner2.7LL4N/AOE Style Design; Use Micro, 13 psi Cap; 1 Row Plastic Tank Aluminum Core
1996Toyota4Runner3.4LV6N/AOE Style Design; Use Micro, 13 psi Cap; 1 Row Plastic Tank Aluminum Core
1996Toyota4Runner2.7LL4N/AOE Style Design; Use Micro, 13 psi Cap; 1 Row Plastic Tank Aluminum Core
Directly replaces or cross-references 11 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
APDI — 8011998DENSO Auto Parts — 221-0508LIQUI MOLY — 2207OSC — 1998Spectra Premium — CU199816400 - 7516016400 - 7518016410-AZ0118012207TO3010192TO3010193