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The Following brands are available based on your search.

  • Dorman
    Dorman
  • Motorad
    Motorad

Best Selling Genuine Hummer Engine Coolant Thermostat Housing Assemblies

  • We Stock the following top leading brands, including Dorman, Motorad
  • Constantly Updated Inventory of Hummer Replacement Engine Coolant Thermostat Housing Assembly Parts

We stock Engine Coolant Thermostat Housing Assembly parts for most Hummer models, including H2, H3, H3T.


Dorman
2003 Hummer H2 Engine Coolant Thermostat Housing Assembly 8 Cyl 6.0L Dorman

P311-4608563    902-2700  New

379-180 , 12571261 , 8125712610

Qty:
45.89
Dorman Engine Coolant Thermostat Housing Assembly
  • ; Includes Thermostat w/Water Pump Casting No. 12562459 w/Thermostat Retainer Brackets 180 Degrees Fahrenheit
  • Product Attributes:
    • Bolt Hole Center To Bolt Hole Center: 3
    • Flange Length: 4.376
    • Flange Thickness: 0.35
    • Flange Width: 2.75
    • Gasket Type: O Ring
    • Grade Type: Regular
    • Inside Diameter: 1.3
    • Mounting Hole Quantity: 3
    • Package Contents: 1 Thermostat Housing; 1 Thermostat; 1 O-ring
    • Thermostat Opening Temperature: 180 Deg. F
Brand: Dorman
Additional Fitment Information:
Vehicle Block Engine CID CC
2003 - Hummer H2 V 8 Cyl 6.0L 364 5967
Dorman
2003 Hummer H2 Engine Coolant Thermostat Housing Assembly 8 Cyl 6.0L Dorman

P311-15EE5E5    902-2836  New

12581594 , 34702 , 12600172 , 8126001720 , 85083 , 8125689110 , 8125815940 , 524KT , 12568911

Qty:
50.55
Dorman Engine Coolant Thermostat Housing Assembly
  • ; Includes Thermostat wo/Water Pump Casting No. 12562459 Use If Original Water Pump Replaced with Later Design
Brand: Dorman
Additional Fitment Information:
Vehicle Block Engine CID CC
2003 - Hummer H2 V 8 Cyl 6.0L 364 5967
Dorman
2006 Hummer H2 Engine Coolant Thermostat Housing Assembly 8 Cyl 6.0L Dorman

P311-15EE5E5    902-2836  New

12581594 , 34702 , 12600172 , 8126001720 , 85083 , 8125689110 , 8125815940 , 524KT , 12568911

Qty:
50.55
Dorman Engine Coolant Thermostat Housing Assembly
  • ; Includes Thermostat
Brand: Dorman
Additional Fitment Information:
Vehicle Block Engine CID CC
2006 - Hummer H2 V 8 Cyl 6.0L 364 5967
Dorman
2008 Hummer H3 Engine Coolant Thermostat Housing Assembly 5 Cyl 3.7L Dorman

P311-4F6D191    902-847  New

538-92 , 48718 , 34045 , 12622316 , 143-0886 , 53892 , 538-187 , 6280 , 85948

Qty:
29.40
Dorman Engine Coolant Thermostat Housing Assembly
  • Product Attributes:
    • Bolt Hole Center To Bolt Hole Center: 3.178
    • Flange Length: 3.855
    • Flange Thickness: 0.359
    • Flange Width: 2.745
    • Gasket Type: Gasket
    • Grade Type: Regular
    • Inside Diameter: 1.264
    • Mounting Hole Quantity: 2
    • Package Contents: 1 Thermostat Housing; 1 Thermostat; 1 Gasket
    • Thermostat Opening Temperature: 190 Deg. F.
Brand: Dorman
Additional Fitment Information:
Vehicle Block Engine CID CC
2008 - Hummer H3 L 5 Cyl 3.7L 223 3654
Dorman
2003 Hummer H2 Engine Coolant Thermostat Housing Assembly 8 Cyl 6.0L Dorman

P311-0D6E3A3    902-2701  New

12571261 , 379-160 , 85254 , 8125712610

Qty:
26.41
Dorman Engine Coolant Thermostat Housing Assembly
  • ; Includes Thermostat w/Water Pump Casting No. 12562459 w/Thermostat Retainer Brackets 160 Degrees Fahrenheit
  • Product Attributes:
    • Bolt Hole Center To Bolt Hole Center: 3
    • Flange Length: 4.39
    • Flange Thickness: 0.4
    • Flange Width: 2.701
    • Gasket Type: Gasket
    • Grade Type: Regular
    • Inside Diameter: 1.236
    • Mounting Hole Quantity: 3
    • Package Contents: 1 Thermostat Housing; 1 Thermostat; 1 Gasket
    • Thermostat Opening Temperature: 160 Deg. F
Brand: Dorman
Additional Fitment Information:
Vehicle Block Engine CID CC
2003 - Hummer H2 V 8 Cyl 6.0L 364 5967
Dorman
2003 Hummer H2 Engine Coolant Thermostat Housing Assembly 8 Cyl 6.0L Dorman

P311-5C2E24D    902-700  New

37987 , 379-187 , 33910 , 6260 , KGT-379-160T , KGT-379-187T , 8125712610 , 14298 , 12571261 , 379-180 , 815254 , 6260-T , 379-160 , 85580 , KGT-379-180T , TG260T , 815580 , 85254

Qty:
15.54
Dorman Engine Coolant Thermostat Housing Assembly
  • ; w/Water Pump Casting No. 12562459 w/Thermostat Retainer Brackets Includes 186 Fahrenheit Degree Thermostat
  • Product Attributes:
    • Bolt Hole Center To Bolt Hole Center: 2.726 In.; 3.547 In.
    • Flange Length: 4.39
    • Flange Thickness: 0.399
    • Flange Width: 2.701
    • Gasket Type: Gasket
    • Grade Type: Regular
    • Inside Diameter: 1.236
    • Mounting Hole Quantity: 2
    • Package Contents: 1 Thermostat Housing; 1 Thermostat; 1 Gasket
    • Thermostat Opening Temperature: 186 Deg. F.
Brand: Dorman
Additional Fitment Information:
Vehicle Block Engine CID CC
2003 - Hummer H2 V 8 Cyl 6.0L 364 5967
Motorad
2003 Hummer H2 Engine Coolant Thermostat Housing Assembly 8 Cyl 6.0L Motorad - Integrated Housing

P311-21D1E22    379-187  New

14298 , 85254 , 85580 , 902-700 , 37987 , 363-180 , 379-187 , 12T84D , 1601-290230

Qty:
20.13
Motorad Engine Coolant Thermostat Housing Assembly
  • Integrated Housing Thermostat-187 Degrees
  • ; Temperature 187F Includes housing, thermostat, and seal OEM Recommended Temp with Original water pump requiring integrated thermostat and housing.
  • Integrated Housing
  • Manufactured with OEM quality materials and safety standards by an OE Supplier. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable
Brand: Motorad
Additional Fitment Information:
Vehicle Block Engine CID CC
2003 - Hummer H2 V 8 Cyl 6.0L 364 5967
Motorad
2007 Hummer H3 Engine Coolant Thermostat Housing Assembly 5 Cyl 3.7L Motorad - Integrated Housing

P311-0F66C73    538-187  New

85948 , 902-847 , 53892 , 12T09D , 1601-316623 , 538-187

Qty:
41.03
Motorad Engine Coolant Thermostat Housing Assembly
  • Integrated Housing Thermostat-187 Degrees
  • ; Temperature 187F Includes housing, thermostat, and seal OEM Recommended Temp
  • Integrated Housing
  • Manufactured with OEM quality materials and safety standards by an OE Supplier. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable
Brand: Motorad
Additional Fitment Information:
Vehicle Block Engine CID CC
2007 - Hummer H3 L 5 Cyl 3.7L 223 3654