Thermostats
availability
Genuine GM Thermostats are made to fit your vehicle’s factory specifications. We only sell Genuine GM Parts and Accessories.
Engine Coolant Temperature Sensor
GM
12673064
2.7L turbo, water inlet. Silverado, sierra. 2.7l. At system pipes/hoses. At engine block. Thermostat housing. 2.7l. CT4. 2.7l. Helps...
$14.55
MSRP $27.12
Save $12.57
46.3% Off 
Water Pump Seal
GM
55579983
1.6L, side. Equinox, Terrain. Pump. Cruze. To thermostat. Coated seal and stainless-steel spring helps provides long service life
This...
$11.17
MSRP $17.04
Save $5.87
34.4% Off 
Engine Water Pump
GM
12685257
Without eassist. Tahoe, Yukon, Escalade. Suburban. Sierra, silverado. 4.3l. Yukon XL. All. Sierra, silverado. 5.3l. Sierra, silverado....
$305.62
MSRP $573.94
Save $268.32
46.8% Off 
Heater Outlet Pipe Gasket
GM
12636104
Lower Thermostat Housing to Heater Outlet Pipe. Engine Cooling. This GM Genuine Part is designed, engineered, and tested to rigorous...
$7.41
MSRP $12.88
Save $5.47
42.5% Off 
Engine Water Pump
GM
12694089
Incl.Gasket,Housing,Pulley,Thermostat,Thermostat Gasket and Thermostat Housing. Thoroughly tested for leak-resistant performance...
$108.01
MSRP $202.08
Save $94.07
46.6% Off 
Engine Coolant Outlet Pipe
GM
12645998
6.6L diesel. Houses the thermostat and allows connection between the radiator hose and the engine
This GM Genuine Part is designed,...
$83.99
MSRP $157.15
Save $73.16
46.6% Off 
HVAC Heater Outlet Pipe Seal
GM
94011605
EGR Cooling Pipe to Lower Thermostat Housing. Forms sealed connection between heater pipe and engine
This GM Genuine Part is designed,...
$10.21
MSRP $15.58
Save $5.37
34.5% Off 
Engine Coolant Outlet Pipe Seal
GM
94011604
Upper Thermostat Housing to Pipe. 6.6L diesel. Helps prevent leakage from the engine coolant outlet
This GM Genuine Part is designed,...
$6.27
MSRP $10.90
Save $4.63
42.5% Off 
Engine Coolant Outlet O-Ring
GM
12623461
Lower Thermostat Housing to Heater Outlet Pipe. Engine Cooling. Reservoir Outlet Pipe. Wagon, 3.0, 3.6L. 2.8L. This GM Genuine Part is...
$6.14
MSRP $10.68
Save $4.54
42.5% Off 
PIPE, THERM BYPASS
GM
12590279
Thermostat by-pass. 3.1L, to intake manifold. 1997-00. 3.4 & 3.5L, rear. 2001-04. 3.1L, inlet. 3.4L. 2001-06, with oil cooler. This GM...
$49.23
MSRP $91.76
Save $42.53
46.3% Off 
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