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GMC Sierra 2500 HD Classic Thermostats

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131-121 GM Original Equipment Series Thermostat
AC Delco®
131-121 GM Original Equipment Series Thermostat
Part Number: AC131121
Vehicle Info Required to Guarantee Fit
$18.99
Product Details
Quantity Sold : Sold individuallyWarranty : 24-months or unlimited mile AC Delco limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Opening Temperature Rating : 91 degrees CSeries : GM Original Equipment SeriesInterchange Part Number : REPC318003, 33009SMaterial : Stainless SteelRecommended Use : OE Replacement
448-180 Thermostat
Motorad®
448-180 Thermostat
Part Number: MRD448-180
Vehicle Info Required to Guarantee Fit
$13.99
Product Details
Location : RearQuantity Sold : Sold individuallyWarranty : 12-month Motorad limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Opening Temperature Rating : 180 DegreesRecommended Use : OE Replacement
447-185 Thermostat
Motorad®
447-185 Thermostat
Part Number: MRD447-185
Vehicle Info Required to Guarantee Fit
$16.99
Product Details
Location : FrontQuantity Sold : Sold individuallyWarranty : 12-month Motorad limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Opening Temperature Rating : 185 degreesRecommended Use : OE Replacement
131-197 GM Original Equipment Series Thermostat
AC Delco®
131-197 GM Original Equipment Series Thermostat
Part Number: AC131197
Vehicle Info Required to Guarantee Fit
$23.49
Product Details
Quantity Sold : Sold individuallyWarranty : 24-months or unlimited mile AC Delco limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Opening Temperature Rating : 85 degrees CSeries : GM Original Equipment SeriesMaterial : SteelRecommended Use : OE Replacement
12T99D Professional Series Thermostat
AC Delco®
12T99D Professional Series Thermostat
Part Number: AC12T99D
Vehicle Info Required to Guarantee Fit
$30.49
Product Details
Location : FrontNotes : Includes seal; OEM recommended temperature; StandardQuantity Sold : Sold individuallyWarranty : 24-months or unlimited mile AC Delco limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Opening Temperature Rating : 85 degrees CSeries : Professional SeriesMaterial : Stainless SteelRecommended Use : OE Replacement
33946 Gates OE Replacement Thermostat
Gates®
33946 Gates OE Replacement Thermostat
Part Number: GAT33946
Vehicle Info Required to Guarantee Fit
$34.99
Product Details
Location : FrontProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Promotions : Cooling EssentialsOpening Temperature Rating : 185 degreesSeries : Gates OE ReplacementInterchange Part Number : RC31800002, 14728Recommended Use : OE Replacement
33947 Gates OE Replacement Thermostat
Gates®
33947 Gates OE Replacement Thermostat
Part Number: GAT33947
Vehicle Info Required to Guarantee Fit
$37.99
Product Details
Location : Rear, Driver SideProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Promotions : Cooling EssentialsOpening Temperature Rating : 180 DegreesSeries : Gates OE ReplacementInterchange Part Number : REPC318004, 14738Recommended Use : OE Replacement
33329S Superstat Thermostat
Gates®
33329S Superstat Thermostat
Part Number: GAT33329S
Vehicle Info Required to Guarantee Fit
$13.99
Product Details
Notes : 0.92 in. by-pass flange diameter; 1.31 in. depth from flange; 1.9 in. flange diameter; 0.91 in. H from flange; Premium thermostat typeQuantity Sold : Sold individuallyWarranty : Lifetime Gates limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Promotions : Cooling EssentialsOpening Temperature Rating : 195 degreesSeries : SuperstatMaterial : Stainless SteelRecommended Use : OE Replacement
267-160 Thermostat
Motorad®
267-160 Thermostat
Part Number: MRD267-160
Vehicle Info Required to Guarantee Fit
$9.49
Product Details
Quantity Sold : Sold individuallyWarranty : 12-month Motorad limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Opening Temperature Rating : 160 degreesRecommended Use : OE Replacement
7267-180 Fail-Safe Thermostat Series Thermostat
Motorad®
7267-180 Fail-Safe Thermostat Series Thermostat
Part Number: MRD7267-180
Vehicle Info Required to Guarantee Fit
$11.99
Product Details
Quantity Sold : Sold individuallyWarranty : 12-month Motorad limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Opening Temperature Rating : 180 DegreesSeries : Fail-Safe Thermostat SeriesRecommended Use : OE Replacement
267-180 Thermostat
Motorad®
267-180 Thermostat
Part Number: MRD267-180
Vehicle Info Required to Guarantee Fit
$17.99
Product Details
Quantity Sold : Sold individuallyWarranty : 12-month Motorad limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Opening Temperature Rating : 180 DegreesRecommended Use : OE Replacement
34198S Thermostat
Gates®
34198S Thermostat
Part Number: GAT34198S
Vehicle Info Required to Guarantee Fit
$20.99
Product Details
Notes : 2.2 in. Flange Diameter; 0.76 in. Height from Flange; 2.2 in. Depth from Flange; 2.96 in. Total Height; (1) Seal Quantity; (1) Jiggle Pins Quantity; Bottom By-Pass Design; O-Ring Seal TypeQuantity Sold : Sold individuallyWarranty : Lifetime Gates limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Promotions : Cooling EssentialsOpening Temperature Rating : 86 degrees CMaterial : Copper/Stainless SteelRecommended Use : OE Replacement
523-190 Thermostat
Motorad®
523-190 Thermostat
Part Number: MRD523-190
Vehicle Info Required to Guarantee Fit
$14.49
Product Details
Quantity Sold : Sold individuallyWarranty : 12-month Motorad limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Opening Temperature Rating : 187 degreesRecommended Use : OE Replacement
7267-195 Fail-Safe Thermostat Series Thermostat
Motorad®
7267-195 Fail-Safe Thermostat Series Thermostat
Part Number: MRD7267-195
Vehicle Info Required to Guarantee Fit
$12.49
Product Details
Quantity Sold : Sold individuallyWarranty : 12-month Motorad limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Opening Temperature Rating : 195 degreesSeries : Fail-Safe Thermostat SeriesRecommended Use : OE Replacement
523-180 Thermostat
Motorad®
523-180 Thermostat
Part Number: MRD523-180
Vehicle Info Required to Guarantee Fit
$11.99
Product Details
Quantity Sold : Sold individuallyWarranty : 12-month Motorad limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Opening Temperature Rating : 180 DegreesRecommended Use : OE Replacement
Page 1 of 2 | Showing 1 - 15 of 28 results

Top Rated Products

AC Delco 131-121 GM Original Equipment Series Thermostat
$18.99( Review)
Car parts com is the one stop shop
Charles R.
VERIFIED PURCHASER

Popular Products

448-180 Thermostat
Motorad®
448-180 Thermostat
Part No: MRD448-180
( Review)
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33946 Gates OE Replacement Thermostat
Gates®
33946 Gates OE Replacement Thermostat
Part No: GAT33946
( Review)
$34.99
86220 Thermostat
4-Seasons®
86220 Thermostat
Part No: FS86220
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Helpful Automotive Resources

What Does It Mean When the Engine Is Hot While the AC Is Off?
What Does It Mean When the Engine Is Hot While the AC Is Off?This is particularly problematic since hot engines are a lot more prone to overheating. If an engine overheats the odds of it breaking down and sustaining permanent damage increase exponentially. Potential Causes Of A Hot Engine If the AC is Off
What Does Check Gauges Mean?
What Does Check Gauges Mean?It can also mean that certain readings are reaching hazardous levels. For example, the check gauge light can illuminate once the PCM detects the temperature of your coolant is too high. However, take note that not all vehicles have a temperature gauge. Some only have a warning light that’s triggered
Where Is the Thermostat Located?
Where Is the Thermostat Located?In most Chevy Cruze models, you’ll find the thermostat in a housing under the top radiator hose. In most Nissan Frontier models, you can find the thermostat located behind the lower radiator hose, which you’ll have to remove to access the thermostat. A list of all the possible places where the