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2021 Chevrolet Silverado 2500 HD

2021 Chevrolet Silverado 2500 HD Thermostats

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Thermostat
Part Number: MRD448-180
Guaranteed to Fit
$13.99
Vehicle Fitment
  • 2021 Chevrolet Silverado 2500 HD High Country 8 Cyl 6.6L Temperature 180F; With Thermostat and Seal; Oe Specified Temperature
  • 2021 Chevrolet Silverado 2500 HD LTZ 8 Cyl 6.6L Temperature 180F; With Thermostat and Seal; Oe Specified Temperature
  • 2021 Chevrolet Silverado 2500 HD Custom 8 Cyl 6.6L Temperature 180F; With Thermostat and Seal; Oe Specified Temperature
  • 2021 Chevrolet Silverado 2500 HD WT 8 Cyl 6.6L Temperature 180F; With Thermostat and Seal; Oe Specified Temperature
  • 2021 Chevrolet Silverado 2500 HD LT 8 Cyl 6.6L Temperature 180F; With Thermostat and Seal; Oe Specified Temperature
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
Thermostat
Part Number: MRD447-185
Guaranteed to Fit
$16.99
Vehicle Fitment
  • 2021 Chevrolet Silverado 2500 HD High Country 8 Cyl 6.6L Temperature 185F; Oe Specified Temperature
  • 2021 Chevrolet Silverado 2500 HD LTZ 8 Cyl 6.6L Temperature 185F; Oe Specified Temperature
  • 2021 Chevrolet Silverado 2500 HD Custom 8 Cyl 6.6L Temperature 185F; Oe Specified Temperature
  • 2021 Chevrolet Silverado 2500 HD WT 8 Cyl 6.6L Temperature 185F; Oe Specified Temperature
  • 2021 Chevrolet Silverado 2500 HD LT 8 Cyl 6.6L Temperature 185F; Oe Specified Temperature
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
GM Original Equipment Series Thermostat
Part Number: AC131197
Guaranteed to Fit
$23.49
Vehicle Fitment
  • 2021 Chevrolet Silverado 2500 HD High Country 8 Cyl 6.6L
  • 2021 Chevrolet Silverado 2500 HD WT 8 Cyl 6.6L
  • 2021 Chevrolet Silverado 2500 HD LT 8 Cyl 6.6L
  • 2021 Chevrolet Silverado 2500 HD LTZ 8 Cyl 6.6L
  • 2021 Chevrolet Silverado 2500 HD Custom 8 Cyl 6.6L
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
Thermostat
Part Number: MRD523-190
Guaranteed to Fit
$14.49
Vehicle Fitment
  • 2021 Chevrolet Silverado 2500 HD LTZ 8 Cyl 6.6L Temperature 187F; With Thermostat and Seal; Oe Specified Temperature
  • 2021 Chevrolet Silverado 2500 HD Custom 8 Cyl 6.6L Temperature 187F; With Thermostat and Seal; Oe Specified Temperature
  • 2021 Chevrolet Silverado 2500 HD WT 8 Cyl 6.6L Temperature 187F; With Thermostat and Seal; Oe Specified Temperature
  • 2021 Chevrolet Silverado 2500 HD High Country 8 Cyl 6.6L Temperature 187F; With Thermostat and Seal; Oe Specified Temperature
  • 2021 Chevrolet Silverado 2500 HD LT 8 Cyl 6.6L Temperature 187F; With Thermostat and Seal; Oe Specified Temperature
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
Thermostat
Part Number: MRD523-180
Guaranteed to Fit
$11.99
Vehicle Fitment
  • 2021 Chevrolet Silverado 2500 HD LTZ 8 Cyl 6.6L Temperature 180F; Alternate Temperature Option
  • 2021 Chevrolet Silverado 2500 HD Custom 8 Cyl 6.6L Temperature 180F; Alternate Temperature Option
  • 2021 Chevrolet Silverado 2500 HD WT 8 Cyl 6.6L Temperature 180F; Alternate Temperature Option
  • 2021 Chevrolet Silverado 2500 HD High Country 8 Cyl 6.6L Temperature 180F; Alternate Temperature Option
  • 2021 Chevrolet Silverado 2500 HD LT 8 Cyl 6.6L Temperature 180F; Alternate Temperature Option
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
Thermostat
Part Number: MRD523-174
Guaranteed to Fit
$19.49
Vehicle Fitment
  • 2021 Chevrolet Silverado 2500 HD LTZ 8 Cyl 6.6L Temperature 174F; Alternate Temperature Option
  • 2021 Chevrolet Silverado 2500 HD Custom 8 Cyl 6.6L Temperature 174F; Alternate Temperature Option
  • 2021 Chevrolet Silverado 2500 HD WT 8 Cyl 6.6L Temperature 174F; Alternate Temperature Option
  • 2021 Chevrolet Silverado 2500 HD High Country 8 Cyl 6.6L Temperature 174F; Alternate Temperature Option
  • 2021 Chevrolet Silverado 2500 HD LT 8 Cyl 6.6L Temperature 174F; Alternate Temperature Option
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
Thermostat
Part Number: MRD447448
Guaranteed to Fit
$36.49
Vehicle Fitment
  • 2021 Chevrolet Silverado 2500 HD High Country 8 Cyl 6.6L Temperature 180F And 185F; Oe Specified Temperature; Cylinder Head
  • 2021 Chevrolet Silverado 2500 HD LTZ 8 Cyl 6.6L Temperature 180F And 185F; Oe Specified Temperature; Cylinder Head
  • 2021 Chevrolet Silverado 2500 HD Custom 8 Cyl 6.6L Temperature 180F And 185F; Oe Specified Temperature; Cylinder Head
  • 2021 Chevrolet Silverado 2500 HD WT 8 Cyl 6.6L Temperature 180F And 185F; Oe Specified Temperature; Cylinder Head
  • 2021 Chevrolet Silverado 2500 HD LT 8 Cyl 6.6L Temperature 180F And 185F; Oe Specified Temperature; Cylinder Head
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
Thermostat
Part Number: MRD523-160
Guaranteed to Fit
$13.49
Vehicle Fitment
  • 2021 Chevrolet Silverado 2500 HD LTZ 8 Cyl 6.6L Temperature 160F; Alternate Temperature Option
  • 2021 Chevrolet Silverado 2500 HD Custom 8 Cyl 6.6L Temperature 160F; Alternate Temperature Option
  • 2021 Chevrolet Silverado 2500 HD WT 8 Cyl 6.6L Temperature 160F; Alternate Temperature Option
  • 2021 Chevrolet Silverado 2500 HD High Country 8 Cyl 6.6L Temperature 160F; Alternate Temperature Option
  • 2021 Chevrolet Silverado 2500 HD LT 8 Cyl 6.6L Temperature 160F; Alternate Temperature Option
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
GM Original Equipment Series Thermostat
Part Number: AC131160
Guaranteed to Fit
$40.99
Vehicle Fitment
  • 2021 Chevrolet Silverado 2500 HD LTZ 8 Cyl 6.6L 6-Speed, Automatic Transmission, transmissionmfrcode : 6L90
  • 2021 Chevrolet Silverado 2500 HD Custom 8 Cyl 6.6L 6-Speed, Automatic Transmission, transmissionmfrcode : 6L90
  • 2021 Chevrolet Silverado 2500 HD WT 8 Cyl 6.6L 6-Speed, Automatic Transmission, transmissionmfrcode : 6L90
  • 2021 Chevrolet Silverado 2500 HD High Country 8 Cyl 6.6L 6-Speed, Automatic Transmission, transmissionmfrcode : 6L90
  • 2021 Chevrolet Silverado 2500 HD LT 8 Cyl 6.6L 6-Speed, Automatic Transmission, transmissionmfrcode : 6L90
Product Details
Notes : Includes SealQuantity 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 : 86 degrees CSeries : GM Original Equipment SeriesMaterial : Stainless SteelRecommended Use : OE Replacement
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Had no problems installing it, quick and fast and good price. Can’t ask for more.
Paul P.
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Product Questions & Answers

Q:I don't see my 2007 GMC ENVOY DENALI 5.3L in your fit section for a thermostat.  Is this an exact fit or not? Show Less
Robert M.
A:BEST ANSWERHi Robert, I'm glad to assist you. This is an exact fit. It is stated that this is a guaranteed fit for the 2007 Envoy Denali models. Click on the link below for direct ordering to take advantage of our ongoing discount and limited stocks. I hope this helps, and happy shopping. https://www.carparts.com/thermostat/ac-delco/ac131160?can=CPAE1047_CSQA_20240321 Show less
Arnel E.
 
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