{
    "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
}
2012 Chevrolet Silverado 2500 HD
1
0
Price Match Guarantee
60-Day Returns
Lifetime Replacement
Price Match Guarantee
60-Day Returns
Lifetime Replacement
2012 Chevrolet Silverado 2500 HD

2012 Chevrolet Silverado 2500 HD Thermostats

Refine by:

Shop Catalog

Showing 1 - 15 of 16 results
Display item:
15
30
45
Sort by:
Thermostat
Motorad®
Thermostat
Part Number: MRD448-180
Guaranteed to Fit
$13.99
Vehicle Fitment
  • 2012 Chevrolet Silverado 2500 HD LTZ 8 Cyl 6.6L Temperature 180F; With Thermostat and Seal; Oe Specified Temperature
  • 2012 Chevrolet Silverado 2500 HD LT 8 Cyl 6.6L Temperature 180F; With Thermostat and Seal; Oe Specified Temperature
  • 2012 Chevrolet Silverado 2500 HD WT 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
Motorad®
Thermostat
Part Number: MRD447-185
Guaranteed to Fit
$16.99
Vehicle Fitment
  • 2012 Chevrolet Silverado 2500 HD LTZ 8 Cyl 6.6L Temperature 185F; Oe Specified Temperature
  • 2012 Chevrolet Silverado 2500 HD LT 8 Cyl 6.6L Temperature 185F; Oe Specified Temperature
  • 2012 Chevrolet Silverado 2500 HD WT 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
AC Delco®
GM Original Equipment Series Thermostat
Part Number: AC131197
Guaranteed to Fit
$23.49
Vehicle Fitment
  • 2012 Chevrolet Silverado 2500 HD WT 8 Cyl 6.6L 185 Deg
  • 2012 Chevrolet Silverado 2500 HD LTZ 8 Cyl 6.6L 185 Deg
  • 2012 Chevrolet Silverado 2500 HD LT 8 Cyl 6.6L 185 Deg
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
Professional Series Thermostat
AC Delco®
Professional Series Thermostat
Part Number: AC12T99D
Guaranteed to Fit
$30.49
Vehicle Fitment
  • 2012 Chevrolet Silverado 2500 HD LTZ 8 Cyl 6.6L
  • 2012 Chevrolet Silverado 2500 HD LT 8 Cyl 6.6L
  • 2012 Chevrolet Silverado 2500 HD WT 8 Cyl 6.6L
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
Gates OE Replacement Thermostat
Gates®
Gates OE Replacement Thermostat
Part Number: GAT33946
Guaranteed to Fit
$34.99
Vehicle Fitment
  • 2012 Chevrolet Silverado 2500 HD LTZ 8 Cyl 6.6L DIESEL, 185 Degree
  • 2012 Chevrolet Silverado 2500 HD LT 8 Cyl 6.6L DIESEL, 185 Degree
  • 2012 Chevrolet Silverado 2500 HD WT 8 Cyl 6.6L DIESEL, 185 Degree
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
Gates OE Replacement Thermostat
Gates®
Gates OE Replacement Thermostat
Part Number: GAT33947
Guaranteed to Fit
$37.99
Vehicle Fitment
  • 2012 Chevrolet Silverado 2500 HD LTZ 8 Cyl 6.6L DIESEL, 180 Degree
  • 2012 Chevrolet Silverado 2500 HD LT 8 Cyl 6.6L DIESEL, 180 Degree
  • 2012 Chevrolet Silverado 2500 HD WT 8 Cyl 6.6L DIESEL, 180 Degree
Product Details
Location : RearProp 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
Thermostat
Gates®
Thermostat
Part Number: GAT34198S
Guaranteed to Fit
$20.99
Vehicle Fitment
  • 2012 Chevrolet Silverado 2500 HD WT 8 Cyl 6.0L 187 Degree
  • 2012 Chevrolet Silverado 2500 HD LTZ 8 Cyl 6.0L 187 Degree
  • 2012 Chevrolet Silverado 2500 HD LT 8 Cyl 6.0L 187 Degree
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
Thermostat
Motorad®
Thermostat
Part Number: MRD523-190
Guaranteed to Fit
$14.49
Vehicle Fitment
  • 2012 Chevrolet Silverado 2500 HD WT 8 Cyl 6.0L Temperature 187F; With Thermostat and Seal; Oe Specified Temperature
  • 2012 Chevrolet Silverado 2500 HD LTZ 8 Cyl 6.0L Temperature 187F; With Thermostat and Seal; Oe Specified Temperature
  • 2012 Chevrolet Silverado 2500 HD LT 8 Cyl 6.0L 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
Motorad®
Thermostat
Part Number: MRD523-180
Guaranteed to Fit
$11.99
Vehicle Fitment
  • 2012 Chevrolet Silverado 2500 HD WT 8 Cyl 6.0L Temperature 180F; Alternate Temperature Option
  • 2012 Chevrolet Silverado 2500 HD LTZ 8 Cyl 6.0L Temperature 180F; Alternate Temperature Option
  • 2012 Chevrolet Silverado 2500 HD LT 8 Cyl 6.0L 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
Motorad®
Thermostat
Part Number: MRD523-174
Guaranteed to Fit
$19.49
Vehicle Fitment
  • 2012 Chevrolet Silverado 2500 HD WT 8 Cyl 6.0L Temperature 174F; Alternate Temperature Option
  • 2012 Chevrolet Silverado 2500 HD LTZ 8 Cyl 6.0L Temperature 174F; Alternate Temperature Option
  • 2012 Chevrolet Silverado 2500 HD LT 8 Cyl 6.0L 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
GM Original Equipment Series Thermostat
AC Delco®
GM Original Equipment Series Thermostat
Part Number: AC131131
Guaranteed to Fit
$36.49
Vehicle Fitment
  • 2012 Chevrolet Silverado 2500 HD WT 8 Cyl 6.6L
  • 2012 Chevrolet Silverado 2500 HD LTZ 8 Cyl 6.6L
  • 2012 Chevrolet Silverado 2500 HD LT 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 : 82 degrees CSeries : GM Original Equipment SeriesInterchange Part Number : REPC318004, 33947, 14738Material : Stainless SteelRecommended Use : OE Replacement
Thermostat
Motorad®
Thermostat
Part Number: MRD447448
Guaranteed to Fit
$36.49
Vehicle Fitment
  • 2012 Chevrolet Silverado 2500 HD LTZ 8 Cyl 6.6L Temperature 180F And 185F; Oe Specified Temperature; Cylinder Head
  • 2012 Chevrolet Silverado 2500 HD LT 8 Cyl 6.6L Temperature 180F And 185F; Oe Specified Temperature; Cylinder Head
  • 2012 Chevrolet Silverado 2500 HD WT 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
Motorad®
Thermostat
Part Number: MRD523-160
Guaranteed to Fit
$13.49
Vehicle Fitment
  • 2012 Chevrolet Silverado 2500 HD WT 8 Cyl 6.0L Temperature 160F; Alternate Temperature Option
  • 2012 Chevrolet Silverado 2500 HD LTZ 8 Cyl 6.0L Temperature 160F; Alternate Temperature Option
  • 2012 Chevrolet Silverado 2500 HD LT 8 Cyl 6.0L 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
AC Delco®
GM Original Equipment Series Thermostat
Part Number: AC131163
Guaranteed to Fit
$36.99
Vehicle Fitment
  • 2012 Chevrolet Silverado 2500 HD WT 8 Cyl 6.6L
  • 2012 Chevrolet Silverado 2500 HD LTZ 8 Cyl 6.6L
  • 2012 Chevrolet Silverado 2500 HD LT 8 Cyl 6.6L
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
Gates OE Replacement Thermostat
Gates®
Gates OE Replacement Thermostat
Part Number: GAT34198
Guaranteed to Fit
$11.49
Vehicle Fitment
  • 2012 Chevrolet Silverado 2500 HD WT 8 Cyl 6.0L FLEX, 180 Degree
  • 2012 Chevrolet Silverado 2500 HD LTZ 8 Cyl 6.0L GAS, 180 Degree
  • 2012 Chevrolet Silverado 2500 HD LT 8 Cyl 6.0L GAS, 180 Degree
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
Page 1 of 2 | Showing 1 - 15 of 16 results

Popular Products

Helpful Automotive Resources

P0597 Code: Thermostat Heater Control Circuit / Open
P0597 Code: Thermostat Heater Control Circuit / OpenDiagnostic trouble code (DTC) P0597 code stands for “Thermostat Heater Control Circuit/Open.”
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 how your engine gets so hot even if the air conditioning is off, then there are many explanations as to why. Usually, it’s due to a lack of coolant. In other cases, the culprit for an overheating engine is broken parts. Here are some of the potential
What Does Check Gauges Mean?
What Does Check Gauges Mean?The check gauge light is usually triggered once the PCM detects something reading that’s outside normal parameters. These readings include: Coolant TemperatureEngine RPMFuel LevelOil PressureTransmission temperatureTire PressureWheel SpeedVoltmeter Common Triggers of the Check Gauges Light
What Causes a Car to Overheat When Idling?
What Causes a Car to Overheat When Idling?Leaving your AC running may contribute to this problem because the car’s AC forces the engine to work harder. These factors combined can make the engine overheat very quickly. A simple solution would be to turn off the AC in hopes of lowering the temperature of the engine, but if
Why Is My Car Heater Not Blowing Hot Air?
Why Is My Car Heater Not Blowing Hot Air?The heater core distributes heat, blowing it into the air with a blower fan. In many ways, you could compare the heater core to a radiator because they are both heat exchangers. Damaged heater cores often go hand in hand with coolant problems.
Where Is the Thermostat Located?
Where Is the Thermostat Located?Have you driven your vehicle recently? Because if the answer’s yes, you’ll want to turn off the engine and let it cool down before trying to access the thermostat. This is because you’ll have to unclamp your radiator hose and drain your coolant before you can get to your thermostat.