OEM GM Thermostats
availability
The thermostat on your GM vehicle is made to regulate the temperature in your engine, so you don't run too hot or too cold. Should you notice a change in your temperature gauge (or, like we talk about in this article, you are overheating), you may have a failing thermostat. If so, you need a new OEM thermostat.
- OEM thermostats are made to meet GM's factory standards for performance, so it will be able to handle your model's needs.
- OEM GM thermostats are made from quality materials that make it last as long as the original thermostat.
- A GM thermostat is an exact fit replacement part that never needs to be modified in order to get it to fit.
When you buy your OEM GM parts from us, you'll get fast, affordable shipping. Order today and get back on the road.
Hose Asm-Therm Bypass
GM
12589978
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$22.90
MSRP $33.92
Save $11.02
32.5% Off 
Thermostat Bypass Hose
GM
12627054
2014-2017, upper. Sedan, 2.0L turbo, upper. 2016-18, upper. Sedan, 2.5L. Coupe, 2.0L turbo, upper. This GM Genuine Part is designed,...
$21.57
MSRP $31.96
Save $10.39
32.5% Off 
Engine Coolant Thermostat
GM
12559807
Controls the flow of coolant through your vehicle's radiator to help the engine reach and maintain its optimal operating temperature
$65.12
MSRP $96.48
Save $31.36
32.5% Off 
Thermostat Bypass Hose
GM
12673707
1.3l turbo. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$86.47
MSRP $112.38
Save $25.91
23.1% Off 
Engine Coolant Thermostat
GM
12559337
All models. 6.5l diesel. Controls the flow of coolant through your vehicle's radiator to help the engine reach and maintain its optimal...
$35.57
MSRP $52.70
Save $17.13
32.5% Off 
Engine Coolant Thermostat
GM
10207373
Controls the flow of coolant through the radiator to help your vehicle's engine reach and maintain its optimal operating temperature...
$13.92
MSRP $20.62
Save $6.70
32.5% Off 
Thermostat Bypass Hose
GM
55492656
3.0L diesel. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$54.05
MSRP $70.22
Save $16.17
23% Off 
Thermostat Bypass Hose
GM
55509227
This GM Genuine part is designed, engineered and tested to rigorous standards, and are backed by General Motors
$50.19
MSRP $74.36
Save $24.17
32.5% Off 
Thermostat Bypass Pipe
GM
96814870
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Original equipment parts...
$12.62
MSRP $18.70
Save $6.08
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