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GMC Sierra 2500 HD Classic Thermostat

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We stock Genuine OEM GMC® Thermostat for your GMC Sierra 2500 HD Classic. 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.

Wishlist

Engine Coolant Thermostat

GM 97241130

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

$36.68

MSRP $62.76

Save $26.08

41.6% Off

Wishlist

OEM NEW 1996-07 GM Chevrolet GMC Sierra 2500 Classic Coolant Thermostat 12559575

GM 12559575

Express, savana. 7.4l. Express, savana. 8.1l. Controls the flow of coolant through your vehicle's radiator to help the engine reach and...

$17.56

MSRP $27.02

Save $9.46

35% Off

Wishlist

Engine Coolant Thermostat

GM 97241129

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

$41.98

MSRP $71.82

Save $29.84

41.5% Off

Wishlist

Engine Coolant Thermostat Housing Gasket

GM 97223686

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...

$7.13

MSRP $10.18

Save $3.05

30% Off

Wishlist

187 Degrees Engine Coolant Thermostat with Seal

GM 89018168

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

$42.25

MSRP $72.25

Save $30.00

41.5% Off

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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...

$45.98

MSRP $78.67

Save $32.69

41.6% Off

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Thermostat Bypass Hose

GM 12558969

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors

$21.57

MSRP $33.17

Save $11.60

35% Off

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Thermostat Bypass Pipe

GM 97354983

6.6L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors Original...

Backordered

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OEM NEW 2001-16 GM Cadillac Escalade Seal Thermostat Bypass Pipe O Ring 94011602

GM 94011602

Bypass Pipe to Lower Thermostat Housing. 6.6L diesel. This GM Genuine Part is designed, engineered, and tested to rigorous standards and...

$3.57

MSRP $4.76

Save $1.19

25% Off

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OEM NEW 2001-16 GM Cadillac Escalade Seal Thermostat Bypass Pipe O-ring 94011603

GM 94011603

Bypass Pipe to Water Pump. 6.6L diesel. By-pass pipe,lower seal. This GM Genuine Part is designed, engineered, and tested to rigorous...

$3.29

MSRP $4.38

Save $1.09

24.9% Off

Wishlist

Water Inlet Seal

GM 12587397

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

$7.59

MSRP $10.84

Save $3.25

30% Off

Wishlist

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

GM 25199828

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

$107.99

MSRP $197.25

Save $89.26

45.3% Off

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