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2018 GMC Sierra 2500 HD

2018 GMC Sierra 2500 HD Thermostat Housings

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Thermostat Housing - Direct Fit, Kit
Part Number: MRD5945KT
Guaranteed to Fit
$34.49
Vehicle Fitment
  • 2018 GMC Sierra 2500 HD Base 8 Cyl 6.0L Temperature 190F; Oe Specified Temperature
  • 2018 GMC Sierra 2500 HD SLT 8 Cyl 6.0L Temperature 190F; Oe Specified Temperature
  • 2018 GMC Sierra 2500 HD SLE 8 Cyl 6.0L Temperature 190F; Oe Specified Temperature
  • 2018 GMC Sierra 2500 HD Denali 8 Cyl 6.0L Temperature 190F; Oe Specified Temperature
Product Details
Warranty : 12-month Motorad limited warrantyQuantity Sold : KitProp 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 DegreesThermostat Included : With thermostatRecommended Use : OE ReplacementProduct Fit : Direct Fit
Thermostat Housing - Direct Fit, Sold individually
Part Number: MRDCH1080
Guaranteed to Fit
$83.99
Vehicle Fitment
  • 2018 GMC Sierra 2500 HD SLT 8 Cyl 6.6L
  • 2018 GMC Sierra 2500 HD Denali 8 Cyl 6.6L
  • 2018 GMC Sierra 2500 HD SLE 8 Cyl 6.6L
  • 2018 GMC Sierra 2500 HD Base 8 Cyl 6.6L
Product Details
Location : UpperWarranty : 12-month Motorad limited warrantyQuantity 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 ReplacementProduct Fit : Direct Fit
GM Original Equipment Series Thermostat Housing - Sold individually
Part Number: AC1581896
Guaranteed to Fit
$101.99
Vehicle Fitment
  • 2018 GMC Sierra 2500 HD SLT 8 Cyl 6.6L
  • 2018 GMC Sierra 2500 HD Denali 8 Cyl 6.6L
  • 2018 GMC Sierra 2500 HD SLE 8 Cyl 6.6L
  • 2018 GMC Sierra 2500 HD Base 8 Cyl 6.6L
Product Details
Notes : 6.05 in. Height; 1.17 in. Inlet x 1.65 in. Outlet Port Diameter; 0.49 in. Flange Thickness; (8) Mount Holes; Aluminum MaterialWarranty : 24-months or unlimited mile AC Delco limited warrantyQuantity 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.

Series : GM Original Equipment Series
Thermostat Housing - Direct Fit, Sold individually
Part Number: MRDCH1072
Guaranteed to Fit
$174.99
Vehicle Fitment
  • 2018 GMC Sierra 2500 HD SLT 8 Cyl 6.6L
  • 2018 GMC Sierra 2500 HD Denali 8 Cyl 6.6L
  • 2018 GMC Sierra 2500 HD SLE 8 Cyl 6.6L
  • 2018 GMC Sierra 2500 HD Base 8 Cyl 6.6L
Product Details
Location : LowerWarranty : 12-month Motorad limited warrantyQuantity 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 ReplacementProduct Fit : Direct Fit
OE Solutions Series Thermostat Housing - Natural, Metal, Direct Fit, Sold individually
Part Number: RB9022081
Guaranteed to Fit
$12.49
Vehicle Fitment
  • 2018 GMC Sierra 2500 HD Base 8 Cyl 6.0L Cover
  • 2018 GMC Sierra 2500 HD SLT 8 Cyl 6.0L Cover
  • 2018 GMC Sierra 2500 HD SLE 8 Cyl 6.0L Cover
  • 2018 GMC Sierra 2500 HD Denali 8 Cyl 6.0L Cover
Product Details
Location : Water PumpNotes : 0.32 in. Flange Thickness; (2) Bolt Hole QuantityWarranty : Lifetime Dorman limited warrantyQuantity 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.

Replaces OE Number : 85945, CO34829, CH5945, 12587395, 8125873950Material : MetalRecommended Use : OE ReplacementProduct Fit : Direct FitSeries : OE Solutions SeriesThermostat Included : Without thermostatInterchange Part Number : 85945, CO34829, CH5945, 12587395, 8125873950Color Finish : Natural
GM Original Equipment Series Thermostat Housing - Sold individually
Part Number: AC1510595
Guaranteed to Fit
$8.99
Vehicle Fitment
  • 2018 GMC Sierra 2500 HD Base 8 Cyl 6.0L
  • 2018 GMC Sierra 2500 HD SLT 8 Cyl 6.0L
  • 2018 GMC Sierra 2500 HD SLE 8 Cyl 6.0L
  • 2018 GMC Sierra 2500 HD Denali 8 Cyl 6.0L
Product Details
Warranty : 24-months or unlimited mile AC Delco limited warrantyQuantity 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.

Series : GM Original Equipment Series
Thermostat Housing - Sold individually
Part Number: H1997169
Universal Fit
$24.94
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.

Thermostat Housing - Universal, Sold individually
Part Number: H1997247
Universal Fit
$191.95
Product Details
Warranty : 90-day Holley limited warrantyQuantity 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 : Performance ReplacementProduct Fit : Universal
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Helpful Automotive Resources

Thermostat Housing: Leak Causes, Replacement Cost, Symptoms
Thermostat Housing: Leak Causes, Replacement Cost, SymptomsCoolant will also leak out of the system once the housing is cracked, warped, or damaged in any way. A failed or worn seal may also cause a similar issue. Your engine may overheat if your thermostat housing keeps on leaking, so it’s best to address this issue right away. The