GMC Sierra 1500 HD Thermostat

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We stock Genuine OEM GMC® Thermostat for your GMC Sierra 1500 HD. 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.

2003-2009 Chevrolet Bucik Cadillac Pontiac Engine Coolant Thermostat OEM NEW

Part Number: 12600171

Notes: Included with water inlet. Included with inlet assembly. Included with thermostat cover. Included with thermostat housing. Included with...

Applications: 5.7L. 3.6L. 6.0L, 6.2L. 8 CYLINDER. 3.5L, 3.9L, 5.3L.

Other Names: Engine Coolant Thermostat, 1047

Replaces: 12570358, 12581595

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

Fits:

Buick:
- LaCrosse,
- Rainier
Cadillac:
- CTS,
- Escalade,
- Escalade ESV,
- Escalade EXT
Chevrolet:
- Avalanche 1500,
- Avalanche 2500,
- Corvette,
- Express 1500,
- Express 2500,
- Express 3500,
- Impala,
- Monte Carlo,
- Silverado 1500,
- Silverado 1500 HD,
- Silverado 2500,
- Silverado 2500 HD,
- Silverado 3500,
- SSR,
- Suburban 1500,
- Suburban 2500,
- Tahoe,
- Trailblazer,
- Trailblazer EXT
GMC:
- 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
Pontiac:
- G8,
- Grand Prix,
- GTO

MSRP $45.12

$26.36

Engine Coolant Thermostat Water Inlet Assembly

Part Number: 12600172

Notes: Includes Thermostat & Gasket. Includes Thermostat And Seal. Included with thermostat unit. Included with Water pump assembly.

Applications: 5.3L. 5.7L. 6.0L, 6.2L. 8 CYLINDER.

Other Names: Engine Coolant Thermostat Kit, 1048

Replaces: 12568911, 12581594

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:
- CTS,
- Escalade,
- Escalade ESV,
- Escalade EXT
Chevrolet:
- Avalanche 1500,
- Avalanche 2500,
- Corvette,
- Express 1500,
- Express 2500,
- Express 3500,
- Silverado 1500,
- Silverado 1500 Classic,
- Silverado 1500 HD,
- Silverado 1500 HD Classic,
- Silverado 2500,
- Silverado 2500 HD,
- Silverado 2500 HD Classic,
- Silverado 3500,
- Silverado 3500 Classic,
- Silverado 3500 HD,
- SSR,
- Suburban 1500,
- Suburban 2500,
- Tahoe,
- Trailblazer,
- Trailblazer EXT
GMC:
- Envoy,
- Envoy XL,
- Envoy XUV,
- Savana 1500,
- Savana 2500,
- Savana 3500,
- Sierra 1500,
- Sierra 1500 Classic,
- Sierra 1500 HD,
- Sierra 1500 HD Classic,
- Sierra 2500,
- Sierra 2500 HD,
- Sierra 2500 HD Classic,
- Sierra 3500,
- Sierra 3500 Classic,
- Sierra 3500 HD,
- Yukon,
- Yukon XL 1500,
- Yukon XL 2500
Hummer:
- H2
Pontiac:
- G8,
- GTO

MSRP $78.67

$45.98

Engine Coolant Thermostat Water Inlet Assembly

Part Number: 12571261

Notes: Includes Thermostat. Included with water pump.

Applications: 5.7L. 5.3L. 6.0L. 8 CYLINDER.

Other Names: Thermostat Housing, 852

Replaces: 12558838, 12558853, 12561157, 12562740

Description: Includes thermostat. All models. Corvette. 8 cylinder, 1998-02. 5.7L. S-series. 5.3L. Incl.Gasket,Housing and Thermostat. Hummer H2....

Fits:

Cadillac:
- Escalade,
- Escalade ESV,
- Escalade EXT
Chevrolet:
- Avalanche 1500,
- Avalanche 2500,
- Camaro,
- 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 EXT
GMC:
- Envoy XL,
- 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
Pontiac:
- Firebird

MSRP $75.11

$43.91

OEM NEW 2006-2010 GM Chevrolet Engine Coolant Bypass Valve Turbo Cooler 97253524

Part Number: 97385898

Other Names: Solenoid

Replaces: 97253524

Description: All models. Wastegate regulator. 6.6L diesel. 6.6L, turbo cooler. This GM Genuine Part is designed, engineered, and tested to rigorous...

Fits:

Cadillac:
- Escalade,
- Escalade ESV,
- Escalade EXT
Chevrolet:
- Avalanche 1500,
- Avalanche 2500,
- Express 2500,
- Express 3500,
- Silverado 1500,
- Silverado 1500 HD,
- Silverado 2500,
- Silverado 2500 HD,
- Silverado 3500,
- Silverado 3500 HD,
- Suburban 1500,
- Suburban 2500,
- Tahoe
GMC:
- Savana 2500,
- Savana 3500,
- Sierra 1500,
- Sierra 1500 HD,
- Sierra 2500,
- Sierra 2500 HD,
- Sierra 3500,
- Sierra 3500 HD,
- Yukon,
- Yukon XL 1500,
- Yukon XL 2500

MSRP $97.70

$60.98

OEM NEW 97-12 GM Chevrolet Engine Coolant Thermostat Housing Seal ORing 12561155

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

$24.47

OEM NEW 2000-2009 GM Buick Engine Coolant Water Pump Thermostat Gasket 12570307

Part Number: 12570307

Notes: Included with water inlet. Included with inlet assembly. Included with thermostat housing. Included with Water pump assembly.

Applications: 5.7L. 6.0L, 6.2L. 3.5L, 3.9L, 5.3L.

Other Names: Engine Coolant Thermostat Gasket, 845

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

Fits:

Buick:
- LaCrosse,
- Rainier
Cadillac:
- CTS,
- Escalade,
- Escalade ESV,
- Escalade EXT
Chevrolet:
- Avalanche 1500,
- Avalanche 2500,
- Corvette,
- Express 1500,
- Express 2500,
- Express 3500,
- Impala,
- Monte Carlo,
- Silverado 1500,
- Silverado 1500 Classic,
- Silverado 1500 HD,
- Silverado 2500,
- Silverado 2500 HD,
- Silverado 3500,
- SSR,
- Suburban 1500,
- Suburban 2500,
- Tahoe,
- Trailblazer,
- Trailblazer EXT
GMC:
- Envoy,
- Envoy XL,
- Envoy XUV,
- Savana 1500,
- Savana 2500,
- Savana 3500,
- Sierra 1500,
- Sierra 1500 Classic,
- Sierra 1500 HD,
- Sierra 2500,
- Sierra 2500 HD,
- Sierra 3500,
- Yukon,
- Yukon XL 1500,
- Yukon XL 2500
Hummer:
- H2
Pontiac:
- G8,
- Grand Prix,
- GTO

MSRP $7.94

$5.96

OEM NEW 2012-2018 GM ruze Cruze Limited Sonic Engine Coolant Thermostat 25199828

Part Number: 25199828

Notes: Included with thermostat housing.

Applications: 1.8L.

Other Names: Engine Coolant Thermostat Kit

Replaces: 55564891, 55578419, 55587349, 55597008, 96980318, 96984104

Description: Sonic. 1.8L. Incl.Housing and Thermostat. Controls the flow of coolant through your vehicle's radiator to help the engine reach and...

Fits:

Chevrolet:
- Cruze,
- Cruze Limited,
- Sonic
Pontiac:
- G3

MSRP $197.25

$107.99

OEM NEW 2013-19 GM Cadillac XTS Chevrolet Impala Thermostat Housing GM 12681132

Part Number: 12681132

Notes: Includes Thermostat, Gasket, And Bolts.

Applications: 3.6L.

Other Names: Engine Coolant Thermostat Kit, 1260

Replaces: 12603830, 12631889, 12638836

Description: 3.6L. Incl.Gasket,Housing and Thermostat. Optional. XTS. Without turbocharger. Impala. Repairs leaking thermostat housings

Fits:

Buick:
- LaCrosse
Cadillac:
- SRX,
- XTS
Chevrolet:
- Captiva Sport,
- Equinox,
- Impala,
- Malibu
GMC:
- Terrain
Pontiac:
- G6,
- Torrent
Saturn:
- Aura,
- Vue

MSRP $162.47

$88.96

OEM NEW 2017-2021 GM Chevrolet GMC Water Pump Thermostat Housing Gasket 12643149

Part Number: 12643149

Other Names: Thermostat Housing Gasket

Description: 6.6L diesel. Helps seal the gap between the exterior of your vehicle's thermostat housing and the exterior of the engine to help prevent...

Fits: