Hummer H3T Thermostat

Filter

My Garage

+ Add Vehicle to Confirm Fit

We stock Genuine OEM Hummer Thermostat for your Hummer H3T. OEM thermostats are designed and manufactured to fit and function perfectly with your specific make and model of vehicle. They are designed to regulate the flow of coolant through your engine, ensuring that your engine operates at the correct temperature range. A malfunctioning thermostat can cause overheating, poor fuel efficiency, and potential engine damage, so replacing it with an OEM part can ensure optimal performance and reliability. Additionally, using an OEM thermostat can help ensure that the part is covered under the manufacturer's warranty. Manufacturer's Warranty Included. Guaranteed Fit. Experts standing by.

2004-2012 GM - Engine Coolant Thermostat and Housing Assembly

Part Number: 12622316

Notes: Includes Thermostat And Seal.

Applications: 2.8L, 2.9L, 3.5L, 3.7L.

Other Names: Thermostat Housing, 1154

Replaces: 12579956, 12620113

Description: Canyon, Colorado. 2.8 & 2.9L. Hummer H3. 3.7L. This GM Genuine part is designed, engineered and tested to rigorous standards, and are...

Fits:

Chevrolet:
- Colorado
GMC:
- Canyon
Hummer:
- H3,
- H3T

MSRP $160.38

$89.01

2007-2025 GM - 187 Degrees Engine Coolant Thermostat with Seal

Part Number: 89018168

Notes: Includes Water Inlet Seal. Included with thermostat housing. Included with water pump assembly. Includes Coolant Temperature Sensor....

Applications: 5.3L. 4.3L. 6.6L GAS. 6.0L, 6.2L. 8 CYLINDER. 6 CYLINDER 2018-2019. 6.2L W/O SUPERCHARGER.

Other Names: Engine Coolant Thermostat, 15231

Replaces: 12587396, 89017851

Description: Controls the flow of coolant through your vehicle's radiator to help the engine reach and maintain its optimal operating temperature

Fits:

Buick:
- Rainier
Cadillac:
- CTS,
- Escalade,
- Escalade ESV,
- Escalade EXT
Chevrolet:
- Avalanche,
- Camaro,
- Caprice,
- Colorado,
- Corvette,
- Express 1500,
- Express 2500,
- Express 3500,
- Express 4500,
- LCF 3500,
- LCF 3500HG,
- Silverado 1500,
- Silverado 1500 Classic,
- Silverado 1500 HD Classic,
- Silverado 1500 LTD,
- Silverado 2500 HD,
- Silverado 2500 HD Classic,
- Silverado 3500 Classic,
- Silverado 3500 HD,
- SS,
- Suburban,
- Suburban 1500,
- Suburban 2500,
- Suburban 3500 HD,
- Tahoe,
- Trailblazer
GMC:
- Canyon,
- Envoy,
- Savana 1500,
- Savana 2500,
- Savana 3500,
- Savana 4500,
- Sierra 1500,
- Sierra 1500 Classic,
- Sierra 1500 HD Classic,
- Sierra 1500 Limited,
- Sierra 2500 HD,
- Sierra 2500 HD Classic,
- Sierra 3500 Classic,
- Sierra 3500 HD,
- Yukon,
- Yukon XL,
- Yukon XL 1500,
- Yukon XL 2500
Hummer:
- H2,
- H3,
- H3T
Pontiac:
- G8

MSRP $72.25

$41.56

2007-2025 GM - Water Inlet Seal

Part Number: 12587397

Notes: Included with thermostat housing. Included with water pump assembly. Included with water pump. Part cannot be reused/reinstalled.

Applications: 5.3L. 4.3L. 6.0L. 4.2L. 5.5L. 7.0L. 6.6L GAS. 8 CYLINDER. 6.2L W/O SUPERCHARGER.

Other Names: Thermostat Seal

Description: Helps close and prevent coolant from leaking out of your vehicle's cooling system components to maintain the proper engine temperature...

Fits:

Buick:
- Rainier
Cadillac:
- CT6,
- CTS,
- Escalade,
- Escalade ESV,
- Escalade EXT
Chevrolet:
- Avalanche,
- Camaro,
- Caprice,
- Colorado,
- Corvette,
- Express 1500,
- Express 2500,
- Express 3500,
- Express 4500,
- LCF 3500,
- LCF 3500HG,
- Silverado 1500,
- Silverado 1500 Classic,
- Silverado 1500 HD Classic,
- Silverado 1500 LTD,
- Silverado 2500 HD,
- Silverado 2500 HD Classic,
- Silverado 3500 Classic,
- Silverado 3500 HD,
- SS,
- Suburban,
- Suburban 1500,
- Suburban 2500,
- Suburban 3500 HD,
- Tahoe,
- Trailblazer
GMC:
- Canyon,
- Envoy,
- Savana 1500,
- Savana 2500,
- Savana 3500,
- Savana 4500,
- Sierra 1500,
- Sierra 1500 Classic,
- Sierra 1500 HD Classic,
- Sierra 1500 Limited,
- Sierra 2500 HD,
- Sierra 2500 HD Classic,
- Sierra 3500 Classic,
- Sierra 3500 HD,
- Yukon,
- Yukon XL,
- Yukon XL 1500,
- Yukon XL 2500
Hummer:
- H2,
- H3,
- H3T

MSRP $10.84

$6.94

1997-2012 GM - Engine Coolant Seal

Part Number: 12561155

Notes: Included with thermostst housing.

Other Names: Engine Coolant Thermostat Gasket

Description: O-Ring. 4.2L. 2.8 & 2.9L. 5.3L. 6.0L. 3.7L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed...

Fits:

Buick:
- Rainier
Cadillac:
- Escalade,
- Escalade ESV,
- Escalade EXT
Chevrolet:
- Avalanche 1500,
- Avalanche 2500,
- Camaro,
- Colorado,
- Corvette,
- Express 1500,
- Express 2500,
- Express 3500,
- Silverado 1500,
- Silverado 1500 HD,
- Silverado 2500,
- Silverado 2500 HD,
- Silverado 3500,
- SSR,
- Suburban 1500,
- Suburban 2500,
- Tahoe,
- Trailblazer,
- Trailblazer EXT
GMC:
- Canyon,
- Envoy,
- Envoy XL,
- Envoy XUV,
- Savana 1500,
- Savana 2500,
- Savana 3500,
- Sierra 1500,
- Sierra 1500 HD,
- Sierra 2500,
- Sierra 2500 HD,
- Sierra 3500,
- Yukon,
- Yukon XL 1500,
- Yukon XL 2500
Hummer:
- H2,
- H3,
- H3T
Oldsmobile:
- Bravada
Pontiac:
- Firebird

MSRP $37.64

$23.53

2007-2025 GM - Engine Water Pump Inlet Tube

Part Number: 12587395

Notes: Includes Thermostat. Included with water manifold. Included with water pump assembly.

Applications: 5.3L. 4.3L. 6.0L. 6.6L GAS. 8 CYLINDER. 6 CYLINDER 2018-2019. 6.2L W/O SUPERCHARGER.

Other Names: Engine Coolant Thermostat Housing, 949

Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors Original equipment parts...

Fits:

Buick:
- Rainier
Cadillac:
- Escalade,
- Escalade ESV,
- Escalade EXT
Chevrolet:
- Avalanche,
- Colorado,
- Corvette,
- Express 1500,
- Express 2500,
- Express 3500,
- Express 4500,
- LCF 3500,
- LCF 3500HG,
- Silverado 1500,
- Silverado 1500 Classic,
- Silverado 1500 LTD,
- Silverado 2500 HD,
- Silverado 3500 HD,
- Suburban,
- Suburban 1500,
- Suburban 2500,
- Suburban 3500 HD,
- Tahoe,
- Trailblazer
GMC:
- Canyon,
- Envoy,
- Savana 1500,
- Savana 2500,
- Savana 3500,
- Savana 4500,
- Sierra 1500,
- Sierra 1500 Classic,
- Sierra 1500 Limited,
- Sierra 2500 HD,
- Sierra 3500 HD,
- Yukon,
- Yukon XL,
- Yukon XL 1500,
- Yukon XL 2500
Hummer:
- H2,
- H3,
- H3T

MSRP $17.94

$11.48

2016-2022 GM - Engine Coolant Thermostat Housing Gasket

Part Number: 12650486

Notes: Included with thermostat housing.

Applications: 2.8L Diesel.

Other Names: Engine Coolant Thermostat Housing Seal

Description: 2.8L turbo diesel. Express, savana. Canyon, Colorado. This GM Genuine Part is designed, engineered, and tested to rigorous standards and...

Fits:

Chevrolet:
- Colorado,
- Express 2500,
- Express 3500
GMC:
- Canyon,
- Savana 2500,
- Savana 3500

MSRP $27.63

$17.26

2014-2024 GM - Engine Coolant Thermostat

Part Number: 12661950

Notes: Included with water manifold. Included with Water pump assembly.

Applications: 4.2L. 5.5L. 7.0L. 6.2L W/SUPERCHARGER.

Other Names: Thermostat, 1229

Description: CT6. 4.2L twin-turbo. Camaro. 7.0L. Corvette. Coolant manifold inlet. Controls the flow of coolant through your vehicle's radiator to...

Fits:

Cadillac:
- CT6,
- Escalade,
- Escalade ESV
Chevrolet:
- Camaro,
- Corvette

MSRP $64.35

$37.00

2022-2025 GM - A/C Evaporator Temperature Sensor

Part Number: 85146482

Notes: Included with AC & heater case.

Other Names: Temp Sensor, Thermostatic Switch, A/C Evaporator Temperature Sensor, F (S)Sensor

Description: Blazer EV. LYRIQ. Equinox EV. Silverado EV. Hummer EV Pickup. Hummer EV SUV. Evaporator. Sierra EV.

Fits:

Cadillac:
- ESCALADE IQ,
- LYRIQ
Chevrolet:
- Blazer EV,
- Equinox EV,
- Silverado EV
GMC:
- Hummer EV Pickup,
- Hummer EV SUV,
- Sierra EV

MSRP $95.06

$54.66

2006-2008 GM - Engine Coolant Thermostat Housing

Part Number: 97383685

Applications: 8 CYLINDER.

Other Names: Thermostat Housing

Description: Housing. Option 2. 6.6L. Houses the thermostat and allows connection between the radiator hose and the engine This GM Genuine Part is...

Fits:

Chevrolet:
- Express 2500,
- Express 3500,
- Silverado 2500 HD,
- Silverado 3500 HD
GMC:
- Savana 2500,
- Savana 3500,
- Sierra 2500 HD,
- Sierra 3500 HD

MSRP $358.84

$222.74

2008-2018 GM - Engine Coolant Thermostat Housing Seal

Part Number: 55578957

Notes: Included with thermostat housing.

Applications: 1.8L.

Other Names: Thermostat Housing Gasket

Replaces: 55353353

Description: 1.8L. Sonic. Cruze, Cruze Limited. 2009-11. G3. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is...

Fits:

Chevrolet:
- Aveo,
- Aveo5,
- Cruze,
- Cruze Limited,
- Sonic
Pontiac:
- G3
Saturn:
- Astra

MSRP $16.21

$10.38

Page

Data by RevolutionParts

No results found for "thermostat". Here are some helpful search tips:

Search by a part name. Example: water pump.
Be less specific. Example: brake instead of ceramic brake.
Remove information such as make, year or model.
Can't find the part you are looking for? Contact us and we'll find it for you!