TYC
TYC Radiator

TYC 13449 Radiator

Brand TYC 13449
Bottom Header 1.88x30.51
Core Height (in) 29.88
Core Length (in) 20.67
Core Material Aluminum
Core Thickness (in) 0.63
Engine Oil Cooler Included No
Fin Count (every 4") 70
Fin Wave Height (in) 0.20
Find Wave Pitch 2.9
Flow Configuration Downflow
Inlet Connection Type Hose Clamp
Inlet Diameter (in) 1.36
No. Of Rows 1
Outlet Connection Type Hose Clamp
Outlet Diameter (in) 1.36
Toc Distance (in) 12.80
Toc Inlet Diameter (in) 0.39
Toc Inlet Type Tube fitting
Toc Outlet Diameter (in) 0.39
Toc Outlet Type Tube fitting
Top Header 1.88x30.51
Total Fin Row Count 117
Total Tube Count 116
Transmission Oil Cooler Included Yes
Transmission Oil Cooler Type Plate Oil Cooler
Tube Count (every 4") 16
Tube Width X Height 16x1.5
Product line TYC Radiator
Fits Toyota · 9 vehicles

Aluminum core. Lightweight construction helps promote efficient heat transfer.

Transmission oil cooler included. Adds integrated cooling for the transmission fluid circuit.

Downflow design. Supports steady coolant flow through the radiator.

Cross-references APDI 8013449, DENSO 221-9351 and Partslink TO3010344 for the same application. See all 5.

$167.62Free shipping
In stock · usually ships same day before 1pm CST
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Order total $167.62
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Free returns within 60 days if it doesn't fit when fitment is verified.

Radiator for Toyota Highlander Cooling Service

The TYC Radiator 13449 is a direct-fit replacement radiator for select 2014-2016 Toyota Highlander models with the tow package. Built with an aluminum core and a downflow design, it includes a transmission oil cooler for integrated cooling support in automatic transmission applications.

TYC Radiator is a product line focused on OE-style replacement cooling components, and this radiator follows that approach with application-specific dimensions and connection points for the Toyota Highlander platform.

  • Aluminum core construction
  • Downflow flow configuration
  • Transmission oil cooler included
  • Plate-style transmission oil cooler
  • Single-row core design
  • Hose clamp inlet and outlet connections
  • Fits 2014-2016 Toyota Highlander with tow package

Detailed Product Overview

TYC 13449 is engineered for the 2014-2016 Toyota Highlander, with fitment listed for tow package applications. Core dimensions measure 29.88 inches high, 20.67 inches long, and 0.63 inches thick, with 1.36-inch inlet and outlet diameters. The radiator uses an aluminum core, a downflow layout, and a plate-style transmission oil cooler to support coolant and transmission fluid heat exchange in one assembly. This part cross-references DENSO 221-9351 for the same application.

Common Cooling Issues Addressed

  • Overheating caused by a worn or leaking radiator
  • Transmission fluid temperature concerns tied to radiator cooler failure
  • Coolant loss from cracked tanks or damaged core sections
  • Poor heat transfer from clogged or corroded internal passages
  • Fitment problems when replacing the original Toyota Highlander radiator

Installation Notes and Tips

Verify the vehicle is a 2014-2016 Toyota Highlander with tow package before installation. Confirm inlet and outlet hose sizes, transmission cooler line connections, and overall core dimensions against the original radiator. Flush the cooling system and inspect hoses, clamps, and transmission cooler lines before installing the new unit. Refill with the correct coolant and bleed the system according to factory service procedures.

Quality Assurance

TYC Radiator 13449 is built as an OE-style replacement part for the listed Highlander application, with application-specific dimensions and integrated transmission cooling features for proper fit and function.

This part fits 9 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelTransmissionLitersCylindersFuel TypePositionNotes
2016ToyotaHighlanderXLE3.5LV6GASN/Aw/ Tow Pkg; TYC Radiator
2016ToyotaHighlanderLE Plus3.5LV6GASN/Aw/ Tow Pkg; TYC Radiator
2016ToyotaHighlanderLE3.5LV6GASN/Aw/ Tow Pkg; TYC Radiator
2016ToyotaHighlanderLimited3.5LV6GASN/Aw/ Tow Pkg; TYC Radiator
2015ToyotaHighlanderLimited3.5LV6GASN/Aw/ Tow Pkg; TYC Radiator
2015ToyotaHighlanderLE Plus3.5LV6GASN/Aw/ Tow Pkg; TYC Radiator
2015ToyotaHighlanderXLE3.5LV6GASN/Aw/ Tow Pkg; TYC Radiator
2015ToyotaHighlanderLE3.5LV6GASN/Aw/ Tow Pkg; TYC Radiator
2014ToyotaHighlanderAutomatic3.5LV6GASN/Aw/ Tow Pkg; TYC Radiator
Directly replaces or cross-references 5 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
APDI — 8013449DENSO — 221-9351Partslink — TO3010344Spectra Premium — CU13449Toyota — 16400-0P420