Thermostats
OEM GM Thermostats
OEM GM Thermostats are essential to keeping your vehicle running at its best. At GMPartsClub, we provide a complete selection of Genuine GM and OEM-quality parts that match the fit, form, and performance of the originals. Whether you're maintaining a Chevrolet, GMC, Buick, or Cadillac, you’ll find exactly what you need. Our parts are backed by factory standards and fast nationwide shipping to get your vehicle back on the road quickly and reliably. Avoid risky aftermarket options—choose OEM parts from GMPartsClub to preserve performance, safety, and value. Browse our inventory of oem gm thermostats and order with confidence today.
Engine Coolant Thermostat and Housing Assembly
GM
12694088
Volt. Repairs leaking thermostat housings
$65.57
MSRP $115.04
Save $49.47
43% Off 
Engine Coolant Thermostat and Housing Assembly
GM
12681133
3.6L. Traverse. Enclave. Repairs leaking thermostat housings
$78.50
MSRP $137.72
Save $59.22
43% Off 
Engine Coolant Thermostat Water Inlet Assembly
GM
12600172
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Original equipment parts...
$46.36
MSRP $80.63
Save $34.27
42.5% Off 
Engine Coolant Thermostat Housing Plug O-Ring
GM
55555984
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$1.04
MSRP $1.73
Save $0.69
39.9% Off 
M6x1x60 Engine Coolant Thermostat Housing Bolt
GM
11588719
Shifter & components, 8 speed trans, 6x60mm. 3.0L twin-turbo. 3.6L 2017-21. This GM Genuine Part is designed, engineered, and tested to...
$0.24
MSRP $0.35
Save $0.11
31.4% Off 
Engine Coolant Thermostat and Housing Assembly
GM
12638452
3.6L twin-turbo. XTS. With turbocharger. Repairs leaking thermostat housings
Corrects engine overheating caused by failed thermostat
$130.38
MSRP $230.77
Save $100.39
43.5% Off 
Engine Coolant Thermostat and Housing Assembly
GM
12622316
Canyon, Colorado. 2.8 & 2.9L. Hummer H3. 3.7L. This GM Genuine part is designed, engineered and tested to rigorous standards, and are...
$92.87
MSRP $164.38
Save $71.51
43.5% Off 
Engine Coolant Thermostat and Housing Assembly
GM
12689039
Repairs leaking thermostat housings
$85.34
MSRP $149.72
Save $64.38
43% Off 
Engine Coolant Thermostat with Water Inlet
GM
55492938
Cascada. Helps retain the thermostat to monitor the flow of coolant through your vehicle's engine and radiator
Manufactured to GM...
$62.94
MSRP $110.41
Save $47.47
43% Off 
Engine Coolant Thermostat Housing Inlet Pipe
GM
55507983
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$61.27
MSRP $88.81
Save $27.54
31% Off 
Engine Coolant Thermostat and Housing Assembly
GM
25205818
Malibu. 1.5L turbo. Spark. Cruze. 1.4L. Encore. Trax. With high output.
$123.26
MSRP $218.16
Save $94.90
43.5% Off 
Engine Coolant Thermostat and Housing Assembly
GM
12620112
4.2L. Includes thermostat. Trailblazer. S-series. This GM Genuine part is designed, engineered and tested to rigorous standards, and are...
$68.87
MSRP $120.82
Save $51.95
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