{
    "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

Mack Thermostats

Refine by:

Shop Catalog

Showing 1 - 15 of 25 results
Display item:
15
30
45
Sort by:
33577 Weir-Stat Series Thermostat
Gates®
33577 Weir-Stat Series Thermostat
Part Number: GAT33577
Vehicle Info Required to Guarantee Fit
$30.99
Product Details
Notes : 1.37 in. depth from flange; 2.88 in. flange diameter; 1.37 in. H from flange; 2.27 in. valve diameter; With (1) seal; Weir-stat S top by-pass design; Heavy-duty 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 : 170 degreesSeries : Weir-Stat SeriesMaterial : Stainless SteelRecommended Use : OE Replacement
33576 Gates OE Replacement Thermostat
Gates®
33576 Gates OE Replacement Thermostat
Part Number: GAT33576
Vehicle Info Required to Guarantee Fit
$40.49
Product Details
Prop 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 : 160 degreesSeries : Gates OE ReplacementRecommended Use : OE Replacement
426-180 Thermostat
Motorad®
426-180 Thermostat
Part Number: MRD426-180
Vehicle Info Required to Guarantee Fit
$14.99
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
33969 Gates OE Replacement Thermostat
Gates®
33969 Gates OE Replacement Thermostat
Part Number: GAT33969
Vehicle Info Required to Guarantee Fit
$12.99
Product Details
Prop 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 : 192 degreesSeries : Gates OE ReplacementRecommended Use : OE Replacement
880080 Thermostat
Motorad®
880080 Thermostat
Part Number: MRD880080
Vehicle Info Required to Guarantee Fit
$23.49
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 : 180 degrees FRecommended Use : OE Replacement
880070 Thermostat
Motorad®
880070 Thermostat
Part Number: MRD880070
Vehicle Info Required to Guarantee Fit
$23.99
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 : 170 degreesRecommended Use : OE Replacement
880090 Thermostat
Motorad®
880090 Thermostat
Part Number: MRD880090
Vehicle Info Required to Guarantee Fit
$26.49
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 : 190 DegreesRecommended Use : OE Replacement
880060 Thermostat
Motorad®
880060 Thermostat
Part Number: MRD880060
Vehicle Info Required to Guarantee Fit
$19.99
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 : 160 degreesRecommended Use : OE Replacement
33966 Gates OE Replacement Thermostat
Gates®
33966 Gates OE Replacement Thermostat
Part Number: GAT33966
Vehicle Info Required to Guarantee Fit
$19.99
Product Details
Prop 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 ReplacementRecommended Use : OE Replacement
4061-60 HD Series Thermostat
Motorad®
4061-60 HD Series Thermostat
Part Number: MRD4061-60
Vehicle Info Required to Guarantee Fit
$19.99
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 : 160 degreesSeries : HD SeriesRecommended Use : OE Replacement
14978 Thermostat
Stant®
14978 Thermostat
Part Number: ST14978
Vehicle Info Required to Guarantee Fit
$25.49
Product Details
Quantity Sold : Sold individuallyProp 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.

Recommended Use : OE Replacement
4071-80 HD Series Thermostat
Motorad®
4071-80 HD Series Thermostat
Part Number: MRD4071-80
Vehicle Info Required to Guarantee Fit
$27.49
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 : 180 degrees FSeries : HD SeriesMaterial : Stainless SteelRecommended Use : OE Replacement
4047-90 Thermostat
Motorad®
4047-90 Thermostat
Part Number: MRD404790
Vehicle Info Required to Guarantee Fit
$27.49
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 : 190 degrees FRecommended Use : OE Replacement
4087-90 HD Series Thermostat
Motorad®
4087-90 HD Series Thermostat
Part Number: MRD4087-90
Vehicle Info Required to Guarantee Fit
$39.99
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 : 190 degrees FSeries : HD SeriesRecommended Use : OE Replacement
4066-85 HD Series Thermostat
Motorad®
4066-85 HD Series Thermostat
Part Number: MRD4066-85
Vehicle Info Required to Guarantee Fit
$30.99
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 : 185 degrees FSeries : HD SeriesRecommended Use : OE Replacement
Page 1 of 2 | Showing 1 - 15 of 25 results

Popular Products

426-180 Thermostat
Motorad®
426-180 Thermostat
Part No: MRD426-180
( Review)
$14.99
33577 Weir-Stat Series Thermostat
Gates®
33577 Weir-Stat Series Thermostat
Part No: GAT33577
( Review)
$30.99
14978 Thermostat
Stant®
14978 Thermostat
Part No: ST14978
( Review)
$25.49

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