Finish Selecting Your Vehicle to Shop For Your Thermostat

Choose a Year for your Hummer H2 's Thermostat

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

Shop By Brand

The Following brands are available based on your search.

  • ACDelco
    ACDelco
  • Autopart International
    Autopart International
  • CARQUEST
    CARQUEST
  • Calorstat
    Calorstat
  • Derale
    Derale
  • Gates
    Gates
  • Motorad
    Motorad
  • Painless Wiring
    Painless Wiring

Shop for Top Selling Genuine Hummer H2 Thermostats

  • We Stock the following top leading brands, including ACDelco, Gates, Motorad, Autopart International
  • Constantly Updated Inventory of Hummer H2 Replacement Thermostat Parts

We also have Thermostat parts for other Hummer models, including H1, H2, H3, H3T.


ACDelco
2006 Hummer H2 Engine Coolant Thermostat ACDelco

P311-03992A8    W0133-1686955  New

Qty:
In Stock & Ready to Ship
$73.09
ACDelco Engine Coolant Thermostat
  • 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
  • with Housing and with Three Bolt Pattern
Brand: ACDelco
Additional Fitment Information:
Vehicle
2006 - Hummer H2
ACDelco
2003 Hummer H2 Engine Coolant Thermostat ACDelco

P311-03992A8    W0133-1686955  New

Qty:
In Stock & Ready to Ship
$73.09
ACDelco Engine Coolant Thermostat
  • 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
  • with Three Bolt Pattern
Brand: ACDelco
Additional Fitment Information:
Vehicle
2003 - Hummer H2
ACDelco
2009 Hummer H2 Engine Coolant Thermostat ACDelco

P311-0277E91    W0133-1821992  New

Qty:
In Stock & Ready to Ship
$87.75
ACDelco Engine Coolant Thermostat
  • 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
Brand: ACDelco
Additional Fitment Information:
Vehicle
2009 - Hummer H2
Gates
2005 Hummer H2 Engine Coolant Thermostat Gates - with O-Ring

P311-1093638    W0133-1783286  New

Qty:
In Stock & Ready to Ship
$27.31
Gates Engine Coolant Thermostat
  • OE Type
  • w/o Housing
  • with O-Ring
Brand: Gates
Additional Fitment Information:
Vehicle
2005 - Hummer H2
ACDelco
2005 Hummer H2 Engine Coolant Thermostat ACDelco

P311-3787E2C    W0133-1783287  New

Qty:
In Stock & Ready to Ship
$76.52
ACDelco Engine Coolant Thermostat
  • 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
  • with Housing and with Two Bolt Pattern
  • Includes Coolant Outlet Housing and Gasket
Brand: ACDelco
Additional Fitment Information:
Vehicle
2005 - Hummer H2
ACDelco
2003 Hummer H2 Engine Coolant Thermostat ACDelco

P311-3787E2C    W0133-1783287  New

Qty:
In Stock & Ready to Ship
$76.52
ACDelco Engine Coolant Thermostat
  • 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
  • with Two Bolt Pattern
  • Includes Coolant Outlet Housing and Gasket
Brand: ACDelco
Additional Fitment Information:
Vehicle
2003 - Hummer H2
ACDelco
2006 Hummer H2 Engine Coolant Thermostat ACDelco - w/o O-Ring

P311-3D33C49    W0133-1783286  New

Qty:
In Stock & Ready to Ship
$47.02
ACDelco Engine Coolant Thermostat
  • 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
  • w/o Housing
  • w/o O-Ring
Brand: ACDelco
Additional Fitment Information:
Vehicle
2006 - Hummer H2
Gates
2003 Hummer H2 Engine Coolant Thermostat Gates

P311-2C67B67    W0133-1686955  New

Qty:
In Stock & Ready to Ship
$46.61
Gates Engine Coolant Thermostat
  • OE Type
  • with Three Bolt Pattern
  • Includes Coolant Outlet Housing and O-Ring. Used On Pumps with Casting # 12562459. If Water Pump Has Been Replaced By 2004 or Newer Pump, Must Also Use 2004 or Newer Inlet.
Brand: Gates
Additional Fitment Information:
Vehicle
2003 - Hummer H2
Gates
2006 Hummer H2 Engine Coolant Thermostat Gates

P311-2C67B67    W0133-1686955  New

Qty:
In Stock & Ready to Ship
$46.61
Gates Engine Coolant Thermostat
  • OE Type
  • with Housing and with Three Bolt Pattern
  • Includes Coolant Outlet Housing and O-Ring. Used On Pumps with Casting # 12562459. If Water Pump Has Been Replaced By 2004 or Newer Pump, Must Also Use 2004 or Newer Inlet.
Brand: Gates
Additional Fitment Information:
Vehicle
2006 - Hummer H2
Motorad
2008 Hummer H2 Engine Coolant Thermostat 8 Cyl 6.2L Motorad - Standard

P311-1BE6E93    523-190  New

12T033E , 131-160 , 15158 , 1601-317694 , 34198 , 34198S , 455808 , 46158 , 48290 , 523-190 , 52387 , 89018168 , 9523190 , P52387 , QRT49

Qty:
In Stock & Ready to Ship
$13.36
Motorad Engine Coolant Thermostat
  • Thermostat-187 Degrees
  • Temperature 187F Includes seal OEM Recommended Temp
  • Standard
  • Product Attributes:
    • Bypass Diameter: 1.58 In
    • Bypass Length: 2.12 In
    • Flange Thickness: 0.05 In
    • Gasket/Seal Material: Rubber
    • Installation Tool Included: No
    • Jiggle Pin Weep Hole: Yes
    • Sealing Flange Outside Diameter: 2.2
    • Temperature (Degree): 187
  • 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
2008 - Hummer H2 V 8 Cyl 6.2L 376 6162
Motorad
2004 Hummer H2 Engine Coolant Thermostat 8 Cyl 6.0L Motorad - Standard

P311-2625655    456-187  New

Qty:
In Stock & Ready to Ship
$17.70
Motorad Engine Coolant Thermostat
  • Thermostat-187 Degrees
  • Temperature 187F Includes seal Thermostat only OEM Recommended Temp
  • Standard
  • Product Attributes:
    • Bypass Diameter: 1.46 In
    • Bypass Length: 1.84 In
    • Flange Thickness: 0.05 In
    • Gasket/Seal Material: Rubber
    • Installation Tool Included: No
    • Jiggle Pin Weep Hole: Yes
    • Sealing Flange Outside Diameter: 2.13
    • Temperature (Degree): 187
  • 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
2004 - Hummer H2 V 8 Cyl 6.0L 364 5967
Motorad
2003 Hummer H2 Engine Coolant Thermostat 8 Cyl 6.0L Motorad - Standard

P311-2625655    456-187  New

12568911 , 12570358 , 12581594 , 12581595 , 12600171 , 12600172 , 12T121D , 131-143 , 131-156 , 14948 , 1601-290245 , 33963 , 456-187 , 45687 , 506-186 , 55687 , 9456187 , P45687 , QRT53

Qty:
In Stock & Ready to Ship
$17.70
Motorad Engine Coolant Thermostat
  • Thermostat-187 Degrees
  • Temperature 187F Includes seal with Replacement late model water pump requiring seperate thermostat and housing. Thermostat only. OEM Recommended Temp
  • Standard
  • Product Attributes:
    • Bypass Diameter: 1.46 In
    • Bypass Length: 1.84 In
    • Flange Thickness: 0.05 In
    • Gasket/Seal Material: Rubber
    • Installation Tool Included: No
    • Jiggle Pin Weep Hole: Yes
    • Sealing Flange Outside Diameter: 2.13
    • Temperature (Degree): 187
  • 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
Autopart International
2003 Hummer H2 Engine Coolant Thermostat Autopart International

P311-06555ED    W0133-3456712  New

Qty:
In Stock & Ready to Ship
$18.16
Autopart International Engine Coolant Thermostat
  • with Three Bolt Pattern
Brand: Autopart International
Additional Fitment Information:
Vehicle
2003 - Hummer H2
Autopart International
2005 Hummer H2 Engine Coolant Thermostat Autopart International

P311-06555ED    W0133-3456712  New

Qty:
In Stock & Ready to Ship
$18.16
Autopart International Engine Coolant Thermostat
  • with Housing and with Three Bolt Pattern
Brand: Autopart International
Additional Fitment Information:
Vehicle
2005 - Hummer H2
Autopart International
2003 Hummer H2 Engine Coolant Thermostat Autopart International

P311-4B8933F    W0133-3454744  New

Qty:
In Stock & Ready to Ship
$17.06
Autopart International Engine Coolant Thermostat
  • with Three Bolt Pattern
Brand: Autopart International
Additional Fitment Information:
Vehicle
2003 - Hummer H2
Autopart International
2006 Hummer H2 Engine Coolant Thermostat Autopart International

P311-4B8933F    W0133-3454744  New

Qty:
In Stock & Ready to Ship
$17.06
Autopart International Engine Coolant Thermostat
  • with Housing and with Three Bolt Pattern
Brand: Autopart International
Additional Fitment Information:
Vehicle
2006 - Hummer H2
Autopart International
2006 Hummer H2 Engine Coolant Thermostat Autopart International

P311-03A6BC2    W0133-3460237  New

Qty:
In Stock & Ready to Ship
$22.84
Autopart International Engine Coolant Thermostat
  • with Housing and with Two Bolt Pattern
Brand: Autopart International
Additional Fitment Information:
Vehicle
2006 - Hummer H2
Autopart International
2003 Hummer H2 Engine Coolant Thermostat Autopart International

P311-03A6BC2    W0133-3460237  New

Qty:
In Stock & Ready to Ship
$22.84
Autopart International Engine Coolant Thermostat
  • with Three Bolt Pattern
Brand: Autopart International
Additional Fitment Information:
Vehicle
2003 - Hummer H2
Autopart International
2003 Hummer H2 Engine Coolant Thermostat Autopart International

P311-03A6BC2    W0133-3460237  New

Qty:
In Stock & Ready to Ship
$22.84
Autopart International Engine Coolant Thermostat
  • with Two Bolt Pattern
Brand: Autopart International
Additional Fitment Information:
Vehicle
2003 - Hummer H2
Autopart International
2005 Hummer H2 Engine Coolant Thermostat Autopart International

P311-03A6BC2    W0133-3460237  New

Qty:
In Stock & Ready to Ship
$22.84
Autopart International Engine Coolant Thermostat
  • with Housing and with Three Bolt Pattern
Brand: Autopart International
Additional Fitment Information:
Vehicle
2005 - Hummer H2