GMC Sierra 3500 HD Thermostat

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We stock Genuine OEM GMC® Thermostat for your GMC Sierra 3500 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.

Engine Coolant Thermostat

Part Number: 97241130

Applications: 8 CYLINDER.

Other Names: Thermostat, 16200

Description: Silverado, sierra. 6.6l. 180 degrees. All models. 6.6l. 6.6L, rear. Express, savana. 6.6l diesel. 180 degree. Silverado, Sierra 2500 HD....

Fits:

Chevrolet:
- Express 2500,
- Express 3500,
- Express 4500,
- Silverado 2500 HD,
- Silverado 2500 HD Classic,
- Silverado 3500,
- Silverado 3500 Classic,
- Silverado 3500 HD
GMC:
- Savana 2500,
- Savana 3500,
- Savana 4500,
- Sierra 2500 HD,
- Sierra 2500 HD Classic,
- Sierra 3500,
- Sierra 3500 Classic,
- Sierra 3500 HD

MSRP $62.76

$36.68

Engine Coolant Thermostat

Part Number: 97241129

Applications: 8 CYLINDER.

Other Names: Thermostat, 16199

Description: Silverado, sierra. 6.6l. 185 degrees. All models. 6.6l. 6.6L, front. Express, savana. 6.6l diesel. 185 degree. Controls the flow of...

Fits:

Chevrolet:
- Express 2500,
- Express 3500,
- Express 4500,
- Silverado 2500 HD,
- Silverado 2500 HD Classic,
- Silverado 3500,
- Silverado 3500 Classic,
- Silverado 3500 HD
GMC:
- Savana 2500,
- Savana 3500,
- Savana 4500,
- Sierra 2500 HD,
- Sierra 2500 HD Classic,
- Sierra 3500,
- Sierra 3500 Classic,
- Sierra 3500 HD

MSRP $71.82

$41.98

Engine Coolant Thermostat

Part Number: 19420815

Notes: Included with Water pump assembly.

Applications: 5.3L. 6.2L W/O SUPERCHARGER.

Other Names: Thermostat, Thermostat Kit

Replaces: 19420598

Description: 2018-25. Silverado, sierra. Tahoe. 6.2L. Suburban. Escalade ESV. 6.6L gas. Yukon XL. Incl.Gasket.

Fits:

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

MSRP $73.96

$43.23

OEM NEW 17-19 GM Chevrolet GMC Silverado Base Engine Coolant Thermostat 12680456

Part Number: 12680456

Notes: Part cannot be reused/reinstalled.

Applications: 6.6L DIESEL.

Other Names: Thermostat, 1258

Description: Silverado, sierra. 6.6l. 185 degrees. 6.6L diesel, 185 deg. Silverado, Sierra 2500 HD. 185 degrees. Silverado, Sierra 3500 HD. 185...

Fits:

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

MSRP $42.22

$24.68

Engine Coolant Thermostat Housing

Part Number: 12642720

Other Names: Thermostat Housing, 1207

Description: Silverado, sierra. 6.6l. 6.6L diesel. Repairs leaking thermostat housings

Fits:

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

MSRP $214.62

$116.97

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

$222.13

Engine Coolant Thermostat Housing Gasket

Part Number: 97223686

Other Names: Thermostat Housing Gasket

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

Fits:

Chevrolet:
- Express 2500,
- Express 3500,
- Express 4500,
- Silverado 2500 HD,
- Silverado 2500 HD Classic,
- Silverado 3500,
- Silverado 3500 Classic,
- Silverado 3500 HD
GMC:
- Savana 2500,
- Savana 3500,
- Savana 4500,
- Sierra 2500 HD,
- Sierra 2500 HD Classic,
- Sierra 3500,
- Sierra 3500 Classic,
- Sierra 3500 HD

MSRP $10.18

$7.13

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:

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

MSRP $9.16

$6.87

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

$42.25

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

OEM NEW 2017-19 GM Chevrolet Sierra Silverado Engine Coolant Thermostat 12680457

Part Number: 12680457

Notes: Part cannot be reused/reinstalled.

Applications: 6.6L DIESEL.

Description: 6.6L diesel, 180 deg. Silverado, Sierra 2500 HD. 180 degrees. Silverado, Sierra 3500 HD. 180 degrees. Silverado, sierra. 6.6l. 180...

Fits: