CSF
1 Row Plastic Tank Aluminum Core

CSF 3638 Radiator

Brand CSF 3638
Box Height (in) 6 4/16
Box Length (in) 32 7/16
Box Weight (lbs) 12
Box Width (in) 22 15/16
Cap Included No
Core Length 26 9/16
Core Material Aluminum
Core Thickness 7/8
Core Width 19
Csf Cap Number 4514
Down Flow Or Cross Flow Type Cross Flow
Hazardous Material No
Inlet Diameter 1 1/2 Left
Inlet Length (in) 19 5/8
Inlet Width (in) 1 5/16
Oil Cooler (in) 13 3/4 (high-efficiency Plate Type)
Outlet Diameter 1 1/2 Right
Outlet Length (in) 19 5/8
Outlet Width (in) 1 5/16
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 · 4 vehicles

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

Cross-flow design. Promotes efficient coolant flow for consistent cooling performance.

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

Cross-references APDI 8013076, OSC 13076 and Spectra Premium CU13076 for the same application. See all 6.

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CSF 3638 Radiator for Toyota Sienna

The CSF 3638 is an OE-style radiator built for 2007-2010 Toyota Sienna applications. It uses a 1-row aluminum core with plastic tanks and a cross-flow layout to match the original cooling system design.

Key Features

  • Fits 2007-2010 Toyota Sienna, N/A
  • 1-row cross-flow radiator design
  • Aluminum core with plastic tanks
  • Core thickness: 7/8 in.
  • Core dimensions: 19 in. wide x 26 9/16 in. long
  • 1 1/2 in. left inlet and 1 1/2 in. right outlet
  • High-efficiency plate-type oil cooler: 13 3/4 in.
  • OE-style plastic tank and aluminum core construction

Product Details

CSF 3638 is engineered as a direct-fit radiator for the Toyota Sienna, with dimensions and port locations that follow the original equipment layout. The 1-row aluminum core helps transfer heat efficiently, while the plastic tank construction matches the factory-style design used on these model years. CSF manufactures radiators to controlled standards and validates cooling performance through wind tunnel testing, supporting consistent thermal management in everyday driving conditions. This part cross-references Spectra Premium CU13076 and OSC 13076 for the same application.

The CSF 3638 part number is a practical choice for drivers replacing a worn or leaking radiator on a 2007-2010 Toyota Sienna. It is built for the OE-style cooling system configuration and includes the integrated oil cooler specification listed for this application.

Common Cooling System Issues

  • Coolant leaks from cracked or aged radiator tanks
  • Overheating caused by reduced heat transfer efficiency
  • Corrosion or internal wear in the original radiator core
  • Transmission or engine cooling concerns tied to radiator deterioration
  • Fitment problems when replacing a damaged factory-style radiator

Installation Notes

Verify inlet and outlet orientation before installation: 1 1/2 in. left inlet and 1 1/2 in. right outlet. Confirm core dimensions, hose connections, and oil cooler routing against the original unit before removal. Cap is not included, and the CSF cap number listed for this radiator is 4514. The CSF 3638 is designed for 2007-2010 Toyota Sienna applications with an OE-style plastic tank and aluminum core layout.

Quality Assurance

CSF states that its factories are ISO/TSO certified and that its radiators are engineered to high-performance standards. The brand also notes long-term global production experience and laboratory testing for cooling performance validation.

This part fits 4 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2010ToyotaSienna3.5LV6N/AOE Style Design; Radiator Only; 1 Row Plastic Tank Aluminum Core
2009ToyotaSienna3.5LV6N/AOE Style Design; Radiator Only; 1 Row Plastic Tank Aluminum Core
2008ToyotaSienna3.5LV6N/AOE Style Design; Radiator Only; 1 Row Plastic Tank Aluminum Core
2007ToyotaSienna3.5LV6N/AOE Style Design; Radiator Only; 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 — 8013076OSC — 13076Spectra Premium — CU1307616041 - 0P20016041 - 0P201TO3010321