Thermostats & Parts
availability
Thermostat Housing Seal
GM
12690766
O-Ring. All Required. 3.6L, 2013-2015. 3.6L, 2014-15. Wagon, 3.0, 3.6L. 3.6 & 2.8L. Coupe, 3.6L twin-turbo. 3.0L, 3.6L.
$22.24
MSRP $37.04
Save $14.80
40% 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
$45.65
MSRP $70.22
Save $24.57
35% Off 
Thermostat Bypass Hose
GM
12683114
CTS. Coupe, 2.0L turbo, lower. 2014-2017, lower. 2016-18, lower. Engine Oil Cooler. Inlet. This GM Genuine Part is designed, engineered,...
$8.10
MSRP $13.50
Save $5.40
40% Off 
Engine Coolant Thermostat
GM
12680457
6.6L diesel, 180 deg. Silverado, Sierra 2500 HD. 180 degrees. Silverado, Sierra 3500 HD. 180 degrees. Silverado, sierra. 6.6l. 180...
$10.27
MSRP $17.12
Save $6.85
40% 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...
$30.04
MSRP $52.70
Save $22.66
43% Off 
Thermostat Bypass Hose
GM
55487348
2.0L turbo. CT4. 2019. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$47.57
MSRP $83.46
Save $35.89
43% Off 
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...
$37.59
MSRP $65.95
Save $28.36
43% Off 
Thermostat Bypass Hose
GM
12558969
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$20.40
MSRP $33.99
Save $13.59
40% Off 
Engine Coolant Thermostat
GM
10192505
All. 2.0l. All models. 2.5l.
$10.45
MSRP $17.42
Save $6.97
40% Off 
Thermostat Bypass Hose
GM
12667454
To Thermostat. CT4. At flow control valve. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed...
$23.39
MSRP $41.04
Save $17.65
43% Off 
Engine Coolant Thermostat Housing
GM
12671038
CT6. 4.2L twin-turbo. Repairs leaking thermostat housings
Corrects engine overheating caused by a failed thermostat
$45.94
MSRP $80.60
Save $34.66
43% Off 
Thermostat Housing Inlet Hose
GM
19316216
Cooler. Inlet. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$17.53
MSRP $29.22
Save $11.69
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