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.
Thermostat Bypass Pipe Seal
GM
94011603
These are Sold Individually. Bypass Pipe to Water Pump. 6.6L diesel. By-pass pipe,lower seal. This GM Genuine Part is designed,...
$3.02
MSRP $4.48
Save $1.46
32.6% Off 
Engine Coolant Thermostat O-Ring
GM
24506985
O-Ring. Lucerne. 3.8, 3.9L. 3.8L. Thermostat,gasket. Seals your vehicle's thermostat housing
Helps prevent coolant from leaking from the...
$6.41
MSRP $9.50
Save $3.09
32.5% Off 
Housing Asm-Eng Cool Therm
GM
12597172
Repairs leaking thermostat housings
$132.38
MSRP $196.13
Save $63.75
32.5% Off 
Engine Coolant Thermostat O-Ring
GM
10226107
Seals your vehicle's thermostat housing
Helps prevent coolant from leaking from the engine
This GM Genuine Part is designed, engineered,...
$8.82
MSRP $13.06
Save $4.24
32.5% Off 
Engine Coolant Thermostat O-Ring
GM
3522676
These are Sold Individually. Seals your vehicle's thermostat housing
Helps prevent coolant from leaking from the engine
This GM Genuine...
$7.49
MSRP $11.31
Save $3.82
33.8% Off 
Thermostat Bypass Pipe Gasket
GM
55574008
1.6L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Original equipment...
$20.16
MSRP $26.21
Save $6.05
23.1% Off 
Engine Coolant Thermostat Housing
GM
1647540
All models. 4.6l. Eldorado. 4.6l. DTS. Seville. Lucerne. Allante. Aurora. 4.0l. Bonneville, LeSabre. 4.6l. Repairs leaking thermostat...
$13.84
MSRP $20.49
Save $6.65
32.5% Off 
Engine Coolant Thermostat Housing
GM
12671038
CT6. 4.2L twin-turbo. Repairs leaking thermostat housings
Corrects engine overheating caused by a failed thermostat
$54.41
MSRP $80.60
Save $26.19
32.5% Off 
Engine Coolant Thermostat Housing
GM
12605853
2011-2013. Regal. 2nd Design. Outlet Pipe Parallel to Inlet Pipe. Solstice. 2.0l. Houses the thermostat and allows connection between...
$141.74
MSRP $209.98
Save $68.24
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