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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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12676954 - : Heater Inlet and Outlet Pipe for GM Image

Heater Inlet and Outlet Pipe

GM 12676954
3.6L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors Original equipment...
$56.23
MSRP $89.26
Save $33.03
37% Off
85514087 - : Outlet Hose for GM Image

Outlet Hose

GM 85514087
Pipe that is part of the engine cooling system.
$50.20
MSRP $66.40
Save $16.20
24.4% 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
84848586 - : Engine Coolant Pipe for GM Image

Engine Coolant Pipe

GM 84848586
Hummer EV SUV. Battery charger receptacle. Rear, 2024, suv, 2 motor, 11.5kw, (k28), charger inlet. Rear, 2024-25, suv, 2 motor, 19.2kw,...
$56.41
MSRP $89.54
Save $33.13
37% 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
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
55596615 - : Water Pump Inlet Pipe for GM Image

Water Pump Inlet Pipe

GM 55596615
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors Pipe that is part of the...
$78.88
MSRP $106.01
Save $27.13
25.6% Off
86824571 - : Inlet Pipe for GM Image

Inlet Pipe

GM 86824571
5.5L front cooling, outer.
$252.19
MSRP $338.97
Save $86.78
25.6% Off
85594748 - : Water Feed Tube for GM Image

Water Feed Tube

GM 85594748
Hummer EV SUV. Trans module cooler extn. Rear, 2024-25, suv, 2 motor, 19.2kw, (k2o). Rear, 2024-25 suv, 3 motor.
$75.70
MSRP $107.08
Save $31.38
29.3% Off
12662187 - : Turbocharger Oil/Coolant Pipe Gasket for GM Image

Turbocharger Oil/Coolant Pipe Gasket

GM 12662187
2017-19, oil & coolant pipes. 6.6L diesel, oil lines. 3.6L twin-turbo, front turbo components, water return tube. Coupe, 3.6L...
$3.38
MSRP $4.60
Save $1.22
26.5% Off
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