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Toyota Tundra Heater Core Replacement Cost

Know what price you should pay to get your vehicle fixed.

Heater Core Replacement
The average cost for a Toyota Tundra heater core replacement is between $916 and $1,237. Labor costs are estimated between $619 and $781 while parts are priced between $297 and $456. Estimate does not include taxes and fees.
Note about price: This service is typically done as part of a bigger, more expensive repair, so the estimate you see above may not represent your total cost. Some of these bigger related repairs are listed in the table below. Talk with a RepairPal Certified shop to learn which repairs may be right for you.
Heater Core Replacement

What is a heater core?

The heater core looks like a very small radiator, and functions just the same. It's mounted under the dashboard, and it provides the heat needed for the blower motor to warm the cabin.

How does the heater core work?

Hot engine coolant circulates through the heater core. When the driver turns on the heat, the blower motor blows air across the heater core and into the cabin.

What are the symptoms related to a bad heater core?

A failing heater core may cause the car's interior to smell like engine coolant. The smell will become worse when the heater is turned on. The engine may also begin to run hotter until the vehicle is repaired.

The worst-case scenario is the engine overheating, which can cause extensive engine damage. 

If the heater core is clogged, the air that blows when the heater is turned on will not be very hot.

Can I drive with a heater core problem?

If the heater core is leaking, don't drive the car. Any coolant leak can lead to an overheated engine. In this situation, towing the vehicle to a repair facility is the best course of action.

When the heater core is clogged, it will not affect drivability, but passenger comfort may suffer.

How often do heater cores need to be replaced?

Most vehicles will never have a problem with the heater core. But if you don't have your cooling system maintained and flushed as part of the car's regular maintenance, the odds of a heater core problem go way up.

Heater Core Replacement Cost Estimates

The average cost for a Heater Core Replacement is between $916 and $1237 but can vary from car to car.