TYC 13776 Radiator
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TYC

TYC 13776 Radiator

Brand TYC 13776
Core Material Aluminum
Tank Material Plastic
Core Height (in) 15.75
Core Length (in) 27.91
Core Thickness (in) 0.63
Fin Height 5
Find Wave Pitch 2.54
Flow Configuration Downflow
Inlet Connection Type Hose clamp
Inlet Diameter 1.5
No. Of Rows 1
Outlet Connection Type Hose clamp
Outlet Diamter 1.5
Total Fin Row Count 111
Total Tube Count 56
Fits Lexus · 16 vehicles

Aluminum core. Helps transfer heat efficiently through a single-row radiator design.

Direct-fit service part. Uses hose-clamp inlet and outlet connections for straightforward replacement.

Cooling surface coverage. Features 56 tubes and 111 fin rows for broad heat exchange area.

Cross-references 16400-31B80 and LX3010165 for the same application. See all 2.

$126.07Free shipping
In stock · usually ships same day before 1pm CST
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Step 2 — Quantity
Order total $126.07
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.
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Radiator Overview

This TYC radiator, part number 13776, is built for direct cooling-system replacement on select Lexus sedans. It combines an aluminum core with plastic tanks and hose-clamp inlet and outlet connections for a straightforward service fit.

Key Features

  • Aluminum core with plastic tanks for efficient heat transfer and practical durability.
  • Single-row design with down-flow configuration.
  • 1.5-inch inlet and outlet connections with hose-clamp attachment points.
  • Core dimensions: 15.75 in. height, 27.91 in. length, and 0.63 in. thickness.
  • Built with 56 tubes and 111 fin rows for cooling surface coverage.

Fitment Details

Compatible with 2018-2025 Lexus IS300 and 2018-2025 Lexus IS350. Fits 2018-2025 Lexus IS300, N/A. Fits 2018-2025 Lexus IS350, N/A.

This part cross-references Lexus and aftermarket numbers such as 16400-31B80 and LX3010165 for the same application.

What It Helps Address

  • Overheating caused by a worn or inefficient radiator.
  • Coolant temperature instability during daily driving.
  • Leaks from aging tanks, seams, or core damage.
  • Reduced cooling performance from clogged or damaged internal passages.

Installation Notes

Verify hose diameter, connection style, and core dimensions before installation. Confirm the vehicle’s cooling-system layout matches the listed fitment for Lexus IS300 and Lexus IS350 applications. Professional installation is recommended for proper coolant service and system bleeding.

Quality Assurance

TYC manufactures replacement cooling components for service applications, and this radiator is engineered to match the listed fitment and connection style for the specified vehicles.

Related reading

This part fits 16 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelBody TypeLitersCylindersNotes
2025LexusIS300F SportSedan3.5LV6—
2025LexusIS350F SportSedan3.5LV6—
2024LexusIS300BaseSedan3.5LV6—
2024LexusIS350F SportSedan3.5LV6—
2023LexusIS300BaseSedan3.5LV6—
2023LexusIS350BaseSedan3.5LV6—
2022LexusIS300BaseSedan3.5LV6—
2022LexusIS350F SportSedan3.5LV6—
2021LexusIS300BaseSedan3.5LV6—
2021LexusIS350BaseSedan3.5LV6—
2020LexusIS300BaseSedan3.5LV6—
2020LexusIS350BaseSedan3.5LV6—
2019LexusIS300F SportSedan3.5LV6—
2019LexusIS350BaseSedan3.5LV6—
2018LexusIS300BaseSedan3.5LV6—
2018LexusIS350BaseSedan3.5LV6—
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
16400-31B80LX3010165