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Peterbilt Thermostats

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33577 Weir-Stat Series Thermostat
Part Number: GAT33577
Vehicle Info Required to Guarantee Fit
$33.99
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
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
219-180 Thermostat
Part Number: MRD219-180
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 : 180 DegreesRecommended Use : OE Replacement
5426-190 UltraStat Series Thermostat
Part Number: MRD5426-190
Vehicle Info Required to Guarantee Fit
$21.49
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 : 192 degreesSeries : UltraStat SeriesRecommended Use : OE Replacement
33888 Gates OE Replacement Thermostat
Part Number: GAT33888
Vehicle Info Required to Guarantee Fit
$35.99
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
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
4072-90 HD Series Thermostat
Part Number: MRD4072-90
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 : 190 DegreesSeries : HD SeriesMaterial : Stainless SteelRecommended Use : OE Replacement
33969 Gates OE Replacement Thermostat
Part Number: GAT33969
Vehicle Info Required to Guarantee Fit
$13.99
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
33758 Gates OE Replacement Thermostat
Part Number: GAT33758
Vehicle Info Required to Guarantee Fit
$11.99
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
219-160 Thermostat
Part Number: MRD219-160
Vehicle Info Required to Guarantee Fit
$11.49
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
4060-80 HD Series Thermostat
Part Number: MRD4060-80
Vehicle Info Required to Guarantee Fit
$10.99
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 : HD SeriesMaterial : Copper/Stainless SteelRecommended Use : OE Replacement
4058-80 HD Series Thermostat
Part Number: MRD4058-80
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 DegreesSeries : HD SeriesMaterial : Copper/Stainless SteelRecommended Use : OE Replacement
4048-90 HD Series Thermostat
Part Number: MRD4048-90
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 : 190 DegreesSeries : HD SeriesMaterial : Copper/Stainless SteelRecommended Use : OE Replacement
4048-80 HD Series Thermostat
Part Number: MRD4048-80
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 : 180 DegreesSeries : HD SeriesMaterial : Copper/Stainless SteelRecommended Use : OE Replacement
4072-80 HD Series Thermostat
Part Number: MRD4072-80
Vehicle Info Required to Guarantee Fit
$12.99
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 : HD SeriesMaterial : Stainless SteelRecommended Use : OE Replacement
Page 1 of 3 | Showing 1 - 15 of 43 results

Popular Products

219-180 Thermostat
Part No: MRD219-180
( Review)
$13.49
33577 Weir-Stat Series Thermostat
Part No: GAT33577
( Review)
$33.99
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?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.