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Vehicle Thermostats: Maintaining Engine Temperature Control

At AutoNation, we understand the importance of keeping your thermostat in good condition. This small but critical component regulates your engine's temperature, preventing both overheating and inefficient cold operation. Proper thermostat function ensures optimal engine performance and fuel efficiency while protecting vital engine components.

Recognizing Thermostat Problems

Your engine might run too hot or cold with a failing thermostat. If you notice temperature fluctuations or your radiator isn't maintaining proper coolant flow, your thermostat might need replacement. Quick action prevents costly engine damage.

Quality Replacement Options

Choosing the right thermostat matters for proper temperature control. While checking your cooling system, inspect your water pump for signs of wear. AutoNation stocks thermostats engineered to your vehicle's exact specifications.

Installation Considerations

Proper thermostat installation requires attention to detail. Ensure you check your cooling fans during replacement. Clean mounting surfaces thoroughly and use new gaskets to prevent coolant leaks.

Get back on the road in no time with genuine OEM parts from AutoNation.

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25537068 - : Multi-Purpose O-Ring *Sold Individually* for GM Image

Multi-Purpose O-Ring *Sold Individually*

GM 25537068
0.674" Dia. Heater Outlet Pipe. 2nd Design. Heater Inlet Pipe. This GM Genuine Part is designed, engineered, and tested to rigorous...
$1.70
MSRP $2.63
Save $0.93
35.4% Off
12647027 - : Engine Coolant Thermostat Housing for GM Image

Engine Coolant Thermostat Housing

GM 12647027
2.0L turbo diesel. Cruze. Repairs leaking thermostat housings A kit containing a engine coolant thermostat and additional parts for...
$84.00
MSRP $135.48
Save $51.48
38% Off
25188413 - : Engine Water Pump Adapter for GM Image

Engine Water Pump Adapter

GM 25188413
Spark. Without ev. This GM Genuine part is designed, engineered and tested to rigorous standards, and are backed by General Motors...
$62.62
MSRP $99.40
Save $36.78
37% Off
55490715 - : Engine Coolant Thermostat with Seal for GM Image

Engine Coolant Thermostat with Seal

GM 55490715
1.6L. Equinox, Terrain. Cruze. Controls the flow of coolant through your vehicle's radiator to help the engine reach and maintain its...
$103.37
MSRP $166.72
Save $63.35
38% Off
12557563 - : Engine Coolant Water Outlet for GM Image

Engine Coolant Water Outlet

GM 12557563
All models. 4.3l. Silverado, sierra. 4.3l. Thick base helps prevent leaks by minimizing warpage Leak-resistant Neoprene O-ring seal...
$75.75
MSRP $122.18
Save $46.43
38% Off
84132657 - : Auxiliary Radiator Inlet Hose for GM Image

Auxiliary Radiator Inlet Hose

GM 84132657
2.0L turbo, with heavy duty cooling. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by...
$62.72
MSRP $82.98
Save $20.26
24.4% Off
24500321 - : Heater Inlet Pipe Seal (O-Ring) for GM Image

Heater Inlet Pipe Seal (O-Ring)

GM 24500321
Heater Inlet Pipe. Forms sealed connection between heater pipe and engine This GM Genuine Part is designed, engineered, and tested to...
$1.99
MSRP $3.08
Save $1.09
35.4% Off
12661950 - : Engine Coolant Thermostat for GM Image

Engine Coolant Thermostat

GM 12661950
CT6. 4.2L twin-turbo. Camaro. 7.0L. Corvette. Coolant manifold inlet. Controls the flow of coolant through your vehicle's radiator to...
$40.53
MSRP $64.35
Save $23.82
37% Off
28290034 - : Thermostat for GM Image

Thermostat

GM 28290034
Without high output. Encore. Sonic. 1.4L turbo. Trax. Cruze, Cruze Limited.
$73.22
MSRP $119.54
Save $46.32
38.7% Off
12641872 - : Water Pump Housing Gasket for GM Image

Water Pump Housing Gasket

GM 12641872
With high output, main. Equinox, Terrain. 1.5l. Block. Malibu. Side. Cruze. To engine. 1.4L. May be made from fiber or a rubberized...
$1.90
MSRP $2.94
Save $1.04
35.4% Off
19316188 - : Engine Coolant Outlet O-Ring for GM Image

Engine Coolant Outlet O-Ring

GM 19316188
City Express. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors Thermostat...
$4.58
MSRP $7.10
Save $2.52
35.5% Off
84182796 - : Drive Motor Control Module Radiator Outlet Hose for GM Image

Drive Motor Control Module Radiator Outlet Hose

GM 84182796
Drive motor module cooling, to condensor. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed...
$88.00
MSRP $124.51
Save $36.51
29.3% Off
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