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Finish Selecting Your Vehicle to Shop For Your Coolant Thermostat Housing

Choose a Year for your Hummer 's Coolant Thermostat Housing

  • 2010
  • 2009
  • 2008
  • 2007
  • 2006
  • 2005
  • 2004
  • 2003

Shop By Brand

The Following brands are available based on your search.

  • ACDelco
    ACDelco
  • Dorman
    Dorman
  • Four Seasons
    Four Seasons

Best Selling Genuine Hummer Coolant Thermostat Housings

  • We Stock the following top leading brands, including Dorman, Four Seasons, ACDelco
  • Constantly Updated Inventory of Hummer Replacement Coolant Thermostat Housing Parts

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

Dorman
2010 Hummer H3T Engine Coolant Thermostat Housing - Water Pump 8 Cyl 5.3L Dorman

P311-43B3993    902-2081  New

85945 , 12587395 , CH5945 , CO34829 , 89018168

Qty:
$15.40
Dorman Engine Coolant Thermostat Housing  Water Pump
  • ; Cover
  • Product Attributes:
    • Bolt Hole Center To Bolt Hole Center: 3
    • Flange Thickness: 0.32
    • Height: 3.5
    • Housing Neck Angle (??): 25 Deg.
    • Mounting Hole Diameter: 0.27
    • Mounting Hole Quantity: 2
    • Outlet Port Diameter: 1.2
    • Package Contents: 1 Thermostat Housing
Brand: Dorman
Position: Water Pump
Additional Fitment Information:
Vehicle Position Block Engine CID CC
2010 - Hummer H3T Water Pump V 8 Cyl 5.3L 325 5328
Dorman
2003 Hummer H2 Engine Coolant Thermostat Housing - Upper 8 Cyl 6.0L Dorman

P311-5E0BB5F    902-836  New

6261-T , 85083 , 815665 , 524KT , 12581594 , 12568911 , 8126001720 , 8125815940 , 34702 , 8125689110 , 12600172 , 6261 , CH2836

Qty:
$22.03
Dorman Engine Coolant Thermostat Housing  Upper
  • ; Cover Does Not Include Thermostat wo/Water Pump Casting No. 12562459 Use If Original Water Pump Replaced with Later Design
  • Product Attributes:
    • Housing Neck Angle (??): 30
    • Mounting Hole Diameter: 0.313
    • Mounting Hole Quantity: 2
    • O Rings Included: Not Required
    • Outlet Port Diameter: 1.64
    • Package Contents: Thermostat Housing
Brand: Dorman
Position: Upper
Additional Fitment Information:
Vehicle Position Block Engine CID CC
2003 - Hummer H2 Upper V 8 Cyl 6.0L 364 5967
Dorman
2006 Hummer H2 Engine Coolant Thermostat Housing - Upper 8 Cyl 6.0L Dorman

P311-5E0BB5F    902-836  New

6261-T , 85083 , 815665 , 524KT , 12581594 , 12568911 , 8126001720 , 8125815940 , 34702 , 8125689110 , 12600172 , 6261 , CH2836

Qty:
$22.03
Dorman Engine Coolant Thermostat Housing  Upper
  • ; Cover Does Not Include Thermostat
  • Product Attributes:
    • Housing Neck Angle (??): 30
    • Mounting Hole Diameter: 0.313
    • Mounting Hole Quantity: 2
    • O Rings Included: Not Required
    • Outlet Port Diameter: 1.64
    • Package Contents: Thermostat Housing
Brand: Dorman
Position: Upper
Additional Fitment Information:
Vehicle Position Block Engine CID CC
2006 - Hummer H2 Upper V 8 Cyl 6.0L 364 5967
Four Seasons
2003 Hummer H2 Engine Coolant Thermostat Housing Four Seasons - Thermostat Housing

P311-3317486    85254  New

W78064 , 01455196 , 1510412 , 12558838 , AO5156 , W5156 , 12562740 , 12561157 , 6051813 , 85254 , 12558853 , 12571261 , 11185254 , 815254

Qty:
$33.22
Four Seasons Engine Coolant Thermostat Housing
  • ; w/o Thermostat
  • Thermostat Housing
  • Product Attributes:
    • Description: Engine Coolant Components
    • Gasket / Seals?: Included
    • Inlet Dia. IN: 1.307
    • Meets / Exceeds OEM?: Yes
    • Mnt Flange Width IN: 0.395
    • Overall Height IN: 2.51
    • Style: W/o Thermostat
    • Thermostat Included?: Not Included
Brand: Four Seasons
Additional Fitment Information:
Vehicle
2003 - Hummer H2
Four Seasons
2003 Hummer H2 Engine Coolant Thermostat Housing Four Seasons - Thermostat Housing

P311-0509F72    85580  New

CWK815580 , 6051897 , 33910 , 9022701 , 12561157 , 278213 , 14298 , W98231 , W78213 , 12558838 , 12558853 , 12571261 , 815580 , 902700 , 9022700 , 12562740 , 85580

Qty:
$24.64
Four Seasons Engine Coolant Thermostat Housing
  • Integrated Thermostat Housing
  • ; with Thermostat with Thermostat
  • Thermostat Housing
  • Product Attributes:
    • Description: Engine Coolant Components
    • Gasket / Seals?: Included
    • Inlet Dia. IN: 1.222
    • Meets / Exceeds OEM?: Yes
    • Mnt Flange Width IN: 0.403
    • Overall Height IN: 2.400
    • Style: W/ Thermostat
    • Thermostat Included?: Included
Brand: Four Seasons
Additional Fitment Information:
Vehicle
2003 - Hummer H2
Four Seasons
2010 Hummer H3T Engine Coolant Thermostat Housing 5 Cyl 3.7L Four Seasons - Thermostat Housing

P311-419DBB1    85948  New

W98478 , 48718 , 12622316 , 12620113 , 6052062 , 85948 , 902847 , 12579956 , 1511073 , 815766 , 34045

Qty:
$29.01
Four Seasons Engine Coolant Thermostat Housing
  • Integrated Thermostat Housing
  • ; with Thermostat
  • Thermostat Housing
  • Product Attributes:
    • Description: Engine Coolant Components
    • Gasket / Seals?: Included
    • Inlet Dia. IN: 1.250
    • Meets / Exceeds OEM?: Yes
    • Mnt Flange Width IN: 0.375
    • Overall Height IN: 5.750
    • Style: W/ Thermostat
    • Thermostat Included?: Included
Brand: Four Seasons
Additional Fitment Information:
Vehicle Block Engine CID CC
2010 - Hummer H3T L 5 Cyl 3.7L 223 3654
ACDelco
2010 Hummer H3 Engine Coolant Thermostat Housing 8 Cyl 5.3L ACDelco - Water Outlet

P311-3269184    W0133-1866065  New

Qty:
$32.19
ACDelco Engine Coolant Thermostat Housing
  • This Original Equipment Manufacturer part is the same part that was made & installed by the car manufacturer at the factory where the car was produced.
  • Genuine GM
  • Water Outlet
Brand: ACDelco
Additional Fitment Information:
Vehicle Block Engine CID CC
2010 - Hummer H3 V 8 Cyl 5.3L 325 5328