CSF
1 Row Plastic Tank Aluminum Core

CSF 3504 Radiator

Brand CSF 3504
Core Thickness 7/8
Core Width 30 5/16
Core Material Aluminum
Tank Material Plastic
Core Length 18 11/16
Inlet Diameter 1 3/8 centre
Outlet Diameter 1 3/8 right
Down Flow Or Cross Flow Type Down flow
Radiator Core Row Quantity 1
Cap Included No
Box Height (in) 7 13/16
Box Length (in) 33
Box Weight (lbs) 14
Box Width (in) 25 7/8
Csf Cap Number 4514
Hazardous Material No
Inlet Length (in) 31
Inlet Width (in) 1 5/8
Oil Cooler (in) 14 3/4 (high-effeciency concentric type)
Outlet Length (in) 31
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 Toyota · 3 vehicles

OE-style replacement. Plastic tanks and an aluminum core match the original layout.

Engineered for cooling. Wind-tunnel tested to validate performance in the lab.

Trusted CSF design. Built by a global radiator maker with decades of experience.

Cross-references BBB Industries 13122, Carlson 13123 and DENSO Auto Parts 221-3147 for the same application. See all 11.

$151.80Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
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Step 2 — Quantity
Order total $151.80
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

OE-Style Radiator for Toyota Highlander

Restore cooling performance with the CSF 3504 radiator, built for 2009-2011 Toyota Highlander applications. This OE-style replacement uses a 1-row plastic tank and aluminum core design to match the original layout while supporting dependable heat transfer for daily driving.

Key Features

  • Fits 2009-2011 Toyota Highlander, N/A
  • 1-row down-flow radiator construction
  • Plastic tanks with aluminum core
  • Core thickness: 7/8 in.
  • Core size: 30 5/16 in. wide x 18 11/16 in. long
  • Inlet diameter: 1 3/8 in. center; outlet diameter: 1 3/8 in. right
  • Oil cooler: 14 3/4 in. high-efficiency concentric type
  • OE-style design for direct replacement use
  • Part number: CSF 3504

Product Details

The CSF 3504 radiator is engineered as a direct-fit cooling system component for the Toyota Highlander. CSF manufactures radiators to high-performance standards and validates cooling performance through wind tunnel testing, with production backed by ISO/TSO-certified factories. This radiator follows an OEM-style plastic tank and aluminum core layout, making it a practical replacement for vehicles that need a factory-style cooling solution. The CSF 3504 also cross-references DENSO Auto Parts 221-3147 for the same application.

Common Problems This Radiator Can Address

  • Coolant leaks from aging radiator tanks or seams
  • Reduced cooling efficiency from a restricted or corroded core
  • Overheating caused by a worn factory radiator
  • Transmission or engine temperature concerns tied to radiator performance
  • Replacement needs after impact damage or long-term wear

Installation Notes and Tips

Compatible With 2009-2011 Toyota Highlander, N/A. Verify inlet and outlet orientation, core dimensions, and oil cooler configuration before installation. The fitment notes specify use of a Micro, 16 psi cap; cap number 4514 is listed for reference, and the radiator is supplied without a cap. Confirm all hose connections and mounting points against the original unit before final assembly.

Quality Assurance

CSF radiators are manufactured in certified facilities and tested for cooling performance validation. The brand has supplied radiators worldwide for decades and offers a broad catalog covering many vehicle applications, including the Toyota Highlander platform.

This part fits 3 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2011ToyotaHighlander2.7LL4N/AOE Style Design; Use Micro, 16 psi Cap; 1 Row Plastic Tank Aluminum Core
2010ToyotaHighlander2.7LL4N/AOE Style Design; Use Micro, 16 psi Cap; 1 Row Plastic Tank Aluminum Core
2009ToyotaHighlander2.7LL4N/AOE Style Design; Use Micro, 16 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.
BBB Industries — 13122Carlson — 13123DENSO Auto Parts — 221-3147DENSO Auto Parts — 221-3148Partslink Numbering System — TO301032816041-3605016041-360608013123CU13122CU13123TO3010327