Thermostat Housing/Water Outlet

Critical For Operation

Cooling System

Encases the thermostat and provides a passage for coolant to flow through the engine.

The thermostat housing, also known as the water outlet, holds the thermostat in place and allows coolant to flow from the engine to the radiator, regulating engine temperature and preventing overheating.

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Typical part cost

$50–$150🔒

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Typical labor cost

$100–$200🔒

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Typically lasts

100,000–200,000 mi

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Or about

7.0–10.0 years

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DIY difficulty

4/10

⚠️ Owners Often Notice

If the Thermostat Housing/Water Outlet is starting to fail, these are the signs owners most commonly report before it gets worse:

Coolant leaks

Engine overheating

Poor cooling performance

Related Services

Services commonly performed on or around this part.

Replace Thermostat Housing/Water Outlet

No standard interval on file

Clean Thermostat Housing/Water Outlet

No standard interval on file

Inspect Thermostat Housing/Water Outlet

No standard interval on file