{
    "lazyNodes": false,
    "abFitnotesFlag": false,
    "abCrawlReviews": false,
    "productOptionsCookie": false,
    "orderDelayFlag": false,
    "skipSessionCookie": false,
    "covidMessage": false,
    "fullTitleCookie": false,
    "nrLoggerCookie": false,
    "checkoutReviewCookie": false,
    "productOptionSeqCookie": false,
    "maintenanceFlag": false,
    "bufferETACookie": false,
    "multiShippingDiscountFlag": false,
    "newFitmentFlag": false,
    "surveyOptInFlag": false,
    "crossSellFlag": false,
    "skuMappingFlag": false,
    "paySplitCookie": false,
    "callDisableFlag": false,
    "zipPaymentFlag": "u",
    "hassleFreeReturn": false,
    "lifetimeReplacement": false,
    "cpn_off": false
}
0
0
Price Match Guarantee
60-Day Returns
Lifetime Replacement
Price Match Guarantee
60-Day Returns
Lifetime Replacement
Select your vehicle

GMC Sierra 3500 HD Thermostats

Refine by:

Shop Catalog

Showing 1 - 15 of 17 results
Display item:
15
30
45
Sort by:
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
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
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
523-174 Thermostat
Motorad®
523-174 Thermostat
Part Number: MRD523-174
Vehicle Info Required to Guarantee Fit
$19.49
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 : 174 degreesMaterial : Copper/Stainless SteelRecommended Use : OE Replacement
131-131 GM Original Equipment Series Thermostat
AC Delco®
131-131 GM Original Equipment Series Thermostat
Part Number: AC131131
Vehicle Info Required to Guarantee Fit
$36.49
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 : 82 degrees CSeries : GM Original Equipment SeriesInterchange Part Number : REPC318004, 33947, 14738Material : Stainless SteelRecommended Use : OE Replacement
86220 Thermostat
4-Seasons®
86220 Thermostat
Part Number: FS86220
Vehicle Info Required to Guarantee Fit
$37.99
Product Details
Quantity Sold : Sold individuallyWarranty : 120-day 4-Seasons 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.

Material : Aluminum
447448 Thermostat
Motorad®
447448 Thermostat
Part Number: MRD447448
Vehicle Info Required to Guarantee Fit
$36.49
Product Details
Quantity Sold : Set of 2Warranty : 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 and 185 degrees FRecommended Use : OE Replacement
523-160 Thermostat
Motorad®
523-160 Thermostat
Part Number: MRD523-160
Vehicle Info Required to Guarantee Fit
$13.49
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
131-163 GM Original Equipment Series Thermostat
AC Delco®
131-163 GM Original Equipment Series Thermostat
Part Number: AC131163
Vehicle Info Required to Guarantee Fit
$36.99
Product Details
Notes : Includes gasketQuantity 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 SeriesInterchange Part Number : RC31800002, 14728Material : Stainless SteelRecommended Use : OE Replacement
Page 1 of 2 | Showing 1 - 15 of 17 results

Popular Products

448-180 Thermostat
Motorad®
448-180 Thermostat
Part No: MRD448-180
( Review)
$13.99
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
( Review)
$37.99

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?If you’re wondering what a hot engine means if the AC is off, then there’s a good chance that your vehicle’s got a serious problem. It might have broken parts due for replacement, or there could be a shortage of coolant brought about by contaminants or a leak in the
What Does Check Gauges Mean?
What Does Check Gauges Mean?This warning light means that one or several gauge readings aren’t within the normal range.
Where Is the Thermostat Located?
Where Is the Thermostat Located?The thermostat’s exact location can vary depending on the vehicle’s make and model, but in most vehicles, you can typically find the thermostat inside a housing near the top radiator hose. If it isn’t there, try looking near the bottom hose.