Radiator for Toyota Avalon (2013-2018) 2.5L 3.5L

Direct-Fit Replacement Radiator for 2013-2018 Toyota Avalon (XX40)

What it Does: The replacement radiator restores efficient thermal dissipation on the 2013-2018 Avalon to prevent engine overheating and maintain optimal operating temperatures under heavy driving loads.

The Stock Toyota Avalon Thermal Weakness

Factory radiators in the XX40 platform are prone to heat-cycling fatigue across the plastic composite end tanks and aluminum crimp joints. Over extended thermal cycles, the OEM nylon tanks embrittle, micro-crack, and bleed coolant at the tank-to-core perimeter crimp gasket. Internal thermal scale and mineral sediment buildup in the narrow factory flow tubes compound this issue, degrading thermal transfer efficiency. Under stop-and-go commuting or sustained summer loads, degraded core flow leads to progressive heat soak, persistent coolant loss, and the immediate risk of head gasket failure or cylinder head warpage on both 2GR-FE V6 and 2AR-FXE hybrid powertrains.

The Engineering Solution

This drop-in replacement cooling assembly utilizes a premium 5/8-inch, single-row aluminum core matched with high-density louvered heat fins to optimize ambient airflow turbulence and heat transfer rates. Virgin heat-stabilized polymer end tanks are crimped with high-grade fluoroelastomer seals to eliminate leak vulnerabilities under operating pressure. Designed as a precise dimensional match to OEM units like 16400-0V110 and 16400-0P350, the inlet and outlet ports (1.38-inch diameter) seat factory-spec coolant hoses without trimming. Every production unit undergoes submerged burst and pressure cycling tests to guarantee leak-free reliability straight out of the box.

What's Included

• 1 Replacement Aluminum Core Radiator with Plastic End Tanks

Technical Specifications

Compatibility

• 2013 Toyota Avalon (2.5L L4 Hybrid, 3.5L V6 Gas)
• 2014 Toyota Avalon (2.5L L4 Hybrid, 3.5L V6 Gas)
• 2015 Toyota Avalon (2.5L L4 Hybrid, 3.5L V6 Gas)
• 2016 Toyota Avalon (2.5L L4 Hybrid, 3.5L V6 Gas)
• 2017 Toyota Avalon (2.5L L4 Hybrid, 3.5L V6 Gas)
• 2018 Toyota Avalon (2.5L L4 Hybrid, 3.5L V6 Gas)

Frequently Asked Questions & Fitment Warnings

Does this fit the XX40 Avalon?

Yes, this is a direct fit for the 2013-2018 Toyota Avalon equipped with the 2.5L 2AR-FXE or 3.5L 2GR-FE engine. Note: This unit does not feature an integrated internal transmission or engine oil cooler.

Do I need to bleed the cooling system after replacement?

Yes, you must thoroughly bleed trapped air pockets from the engine block and heater core circuit using OEM-spec coolant to prevent localized hot spots and boiling.

The Toyota Caliber Standard

Engineered to uphold legendary Japanese powertrain reliability, this thermal core delivers uninterrupted cooling capacity to preserve baseline horsepower and safeguard high-mileage engine components.