Dorman 902-847 | Engine Coolant Thermostat Housing Assembly

Part Number
Integrated Thermostat Housing Assembly

Fits: 04-12 Chevrolet Colorado, 04-12 GMC Canyon, 06-10 Hummer H3, 09-10 Hummer H3T

Special Price $27.17 Regular Price $31.96
In stock
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Estimated Ship Date: 1 Business Day or Less

This replacement engine coolant thermostat housing assembly is engineered to match the fit and durability of the stock housing assembly on specified vehicles. It is designed to withstand extreme temperature changes to extend service life.

BRAND: Dorman - OE Solutions


  • Cost-effective and reliable - offers original manufacturer quality at lower cost than getting replacement at dealer
  • Industry-leading design - professionally engineered by the aftermarket leader in replacement thermostat housing assemblies
  • Durable construction - this part is specifically designed to withstand extreme temperature changes and resist cracking and leaking
  • Coolant, Thermostat, Housing, Assembly, Thermostats, Housings, Assemblies
  • Integrated Thermostat Housing Assembly
  • Chevrolet Colorado 2012-04, GMC Canyon 2012-04, Hummer H3 2010-06, Hummer H3T 2010-09
  • Ideal replacement - this engine coolant thermostat housing assembly directly replaces the original water outlet on specified vehicle years, makes and models


Bleeder HoleNo
Bolt Hole Center To Bolt Hole Center3.178
Flange Length3.855
Flange Thickness0.359
Flange Width2.745
Gasket Or Seal IncludedYes
Gasket TypeGasket
Grade TypeRegular
Inside Diameter1.264
Mounting Hardware IncludedNo
Mounting Hole Quantity2
Outlet Port Quantity1
Package Contents1 Thermostat Housing; 1 Thermostat; 1 Gasket
Thermostat IncludedYes
Thermostat Opening Temperature190 Deg. F.



  • GATES: 34045
  • Skyward Automotive Products LLC: SK1511073
  • General Motors: 12622316
  • Beck/Arnley: 143-0886
  • CST: 53892
  • MOTORAD: 538-187
  • QUEZADA: 6280
  • STANT: 48718
  • FOUR SEASONS: 85948


  • 2004-2012 Chevrolet Colorado - Position: N/A
  • 2009-2010 Hummer H3T - Position: N/A
  • 2006-2010 Hummer H3 - Position: N/A
  • 2004-2012 GMC Canyon - Position: N/A
Customer Questions
Can I use Dorman parts to replace OEM parts?
Yes, Dorman parts can often be used as replacements for OEM parts, but it is important to carefully compare specifications and ensure compatibility.
How do I install Dorman shift linkage bushing?
To install a Dorman shift linkage bushing, first locate the old bushing and remove it if necessary. Apply lubricant to the Dorman bushing and slide it onto the shift linkage, tapping it into place with a soft tool until fully seated. Check the alignment and function of the shift linkage after installation.
Where is Dorman manufactured?
Dorman is a global automotive parts supplier with manufacturing facilities in the United States, Mexico, Canada, China, and India. Its headquarters and largest manufacturing facility are located in Colmar, Pennsylvania, USA.
When to replace the engine coolant thermostat?
The engine coolant thermostat should be replaced if it is not functioning properly or as a preventive maintenance measure after a certain mileage or time interval.
What is an engine coolant thermostat?
An engine coolant thermostat is a component that regulates the flow of coolant through the engine to maintain optimal operating temperature.
Will the engine coolant temperature sensor keep the car from starting?
In most cases, a malfunctioning engine coolant temperature sensor (ECT sensor) will not prevent the car from starting. The engine coolant temperature sensor (ECT sensor) is responsible for monitoring the temperature of the engine coolant and sending that information to the engine control unit (ECU). The ECU uses this information to make adjustments to the fuel mixture and ignition timing for optimal engine performance.
Does PartsHawk carry an engine coolant thermostat for Mazda 6?
Yes, PartsHawk carries an Engine Coolant thermostat for Mazda 6
Please, mind that only logged in users can submit questions

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