OEM GM Thermostats

12571261 - : Engine Coolant Thermostat Water Inlet Assembly for GM Image

Engine Coolant Thermostat Water Inlet Assembly

Includes thermostat. All models. Corvette. 8 cylinder, 1998-02. 5.7L. S-series. 5.3L. Incl.Gasket,Housing and Thermostat. Hummer H2....
$50.05
MSRP $76.99
Save $26.94
35% Off
55555984 - : Engine Coolant Thermostat Housing Plug O-Ring for GM Image

Engine Coolant Thermostat Housing Plug O-Ring

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$1.17
MSRP $1.73
Save $0.56
32.4% Off
24505924 - : 195 Degrees Engine Coolant Thermostat with Gasket for GM Image

195 Degrees Engine Coolant Thermostat with Gasket

Controls the flow of coolant through your vehicle's radiator to help it reach and maintain optimal operating temperature
$38.29
MSRP $58.90
Save $20.61
35% Off
19317298 - : 180 Degrees Engine Coolant Thermostat and Housing for GM Image

180 Degrees Engine Coolant Thermostat and Housing

Controls the flow of coolant through your vehicle's radiator to help the engine reach and maintain its optimal operating temperature
$60.84
MSRP $93.60
Save $32.76
35% Off
89018168 - : 187 Degrees Engine Coolant Thermostat with Seal for GM Image

187 Degrees Engine Coolant Thermostat with Seal

Controls the flow of coolant through your vehicle's radiator to help the engine reach and maintain its optimal operating temperature
$48.15
MSRP $74.05
Save $25.90
35% Off
25199828 - : Engine Coolant Thermostat Water Outlet Assembly with Seal for GM Image

Engine Coolant Thermostat Water Outlet Assembly with Seal

Sonic. 1.8L. Incl.Housing and Thermostat. Controls the flow of coolant through your vehicle's radiator to help the engine reach and...
$121.31
MSRP $202.19
Save $80.88
40% Off
28290034 - : 217 Degrees Engine Coolant Thermostat with Water Inlet for GM Image

217 Degrees Engine Coolant Thermostat with Water Inlet

Without high output. Encore. Sonic. 1.4L turbo. Cruze, Cruze Limited. Trax. This GM Genuine part is designed, engineered and tested to...
$76.58
MSRP $122.52
Save $45.94
37.5% Off
55599997 - : Engine Oil Cooler Housing for GM Image

Engine Oil Cooler Housing

Cascada. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$111.58
MSRP $156.60
Save $45.02
28.7% Off
12587397 - : Water Inlet Seal for GM Image

Water Inlet Seal

Helps close and prevent coolant from leaking out of your vehicle's cooling system components to maintain the proper engine temperature...
$7.51
MSRP $11.12
Save $3.61
32.5% Off
19474058 - : Water Pump Outlet Assembly with Thermostat Old PN 12674639 for GM Image

Water Pump Outlet Assembly with Thermostat Old PN 12674639

Sierra, silverado. Tahoe, Yukon, Escalade. Escalade ESV. Suburban. Yukon XL. Incl.Gasket,Housing and Thermostat. Corvette. This GM...
$78.86
MSRP $126.18
Save $47.32
37.5% Off
13276981 - : Engine Control Module Wiring Harness Bracket for GM Image

Engine Control Module Wiring Harness Bracket

1.8L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$5.08
MSRP $6.60
Save $1.52
23% Off
25189205 - : Engine Coolant Outlet O-Ring for GM Image

Engine Coolant Outlet O-Ring

1.8L. Sonic. Cruze, Cruze Limited. 2009-11. Aveo, Aveo5. G3. Helps prevent leakage from the engine coolant outlet This GM Genuine Part...
$11.84
MSRP $17.54
Save $5.70
32.5% Off

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What Thermostats Do For Your Vehicle

At Chevrolet Parts Direct, we know how crucial thermostats are for maintaining your engine’s health. A thermostat regulates the coolant flow between your engine and radiator, ensuring the engine stays within its ideal operating temperature. This balance prevents overheating during intense use and overcooling during colder weather. Your vehicle could face engine inefficiency or costly damage without a properly functioning thermostat.

Other Functions Of Thermostats

Thermostats not only manage engine temperatures but also support better fuel efficiency and reduce emissions by allowing your engine to warm up quickly. Genuine GM thermostats are engineered specifically for models like the Buick Encore and Chevrolet Equinox, delivering precise temperature control for smooth operation. Unlike lower-cost, generic aftermarket parts, GM thermostats are designed to last longer and integrate seamlessly with other components. Pairing your thermostat with genuine water pumps ensures your cooling system performs reliably over time.

When To Replace A Thermostat

Signs that your thermostat may need replacing include fluctuating temperature gauge readings, an engine that overheats or doesn’t warm up, and unusual noises from the cooling system. If you experience any of these issues, replacing your thermostat promptly can prevent further complications. Genuine GM thermostats provide unmatched reliability and are tailored to fit your vehicle perfectly, unlike generic options that may fail prematurely. Inspect your thermostat regularly to maintain consistent engine performance and peace of mind.

Chevrolet Parts Direct is here to provide dependable solutions for your vehicle repair needs.