Dorman 902-3044 Engine Coolant Thermostat Housing

Brand Dorman 902-3044
Air Vent (Bleeder Valve) No
Bolt Hole Center To Bolt Hole Center 1.76
Bolt Hole Center To Bolt Hole Center 2.00
Bolt Hole Center To Bolt Hole Center 2.46
Bolts Included No
Color Natural
Flange Thickness 0.42
Gasket Or Seal Included No
Height 2.96
Inlet Port Diameter 1.34
Material Aluminum
Mounting Hole Diameter 0.27
Mounting Hole Quantity 3
Mounting Hole Quantity 4
O Rings Included No
Outlet Port Diameter 1.94
Package Contents 1 Thermostat Housing
Thermostat Included No
Fits Ram and Dodge · 14 vehicles

Aluminum construction. Matches the durability of the stock thermostat housing.

OE-style replacement. Engineered to match the fit of the original housing.

Heat-resistant design. Built to handle extreme temperature changes for longer service life.

Cross-references Four Seasons 86003, Motorad CH6009 and 68145495AA for the same application. See all 3.

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Engine Coolant Thermostat Housing

Dorman 902-3044 is a replacement engine coolant thermostat housing built to match the fit and durability of the original housing on specified Ram and Dodge trucks. The aluminum construction is made to handle repeated temperature swings in the cooling system, helping maintain a secure thermostat mounting point.

Compatible With 2007-2010 Dodge Ram 2500, N/A and 2007-2010 Dodge Ram 3500, N/A. Also fits 2011-2012 Ram 2500, N/A, 2011-2012 Ram 3500, N/A, and 2011-2012 Ram 4000, N/A.

  • Aluminum housing with a natural finish
  • Outlet port diameter: 1.94 in.
  • Inlet port diameter: 1.34 in.
  • Flange thickness: 0.42 in.
  • Mounting hole quantity: 3 and 4
  • Mounting hole diameter: 0.27 in.
  • Thermostat, gasket or seal, bolts, O-rings, and bleeder valve not included

Fitment and Application Details

This Dorman thermostat housing, part number 902-3044, is a direct replacement style component for cooling system service on Ram and Dodge heavy-duty trucks. It cross-references Motorad CH6009 for the same application.

Use this housing when servicing the engine coolant thermostat area on 2007-2010 Dodge Ram 2500 and Ram 3500, as well as 2011-2012 Ram 2500, Ram 3500, and Ram 4000. The housing is shaped to align with the stock mounting pattern and port dimensions used on these vehicles.

Common Problems It Can Help Address

  • Cracked or warped thermostat housing
  • Coolant leaks at the housing flange
  • Corrosion or deterioration of the original aluminum housing
  • Improper thermostat sealing caused by housing damage
  • Cooling system service needs on Ram and Dodge diesel truck applications

Installation Notes

Inspect the mating surfaces, thermostat, and coolant passages before installation. Because the gasket or seal is not included, use the correct sealing components specified for the vehicle and verify port alignment, bolt-hole spacing, and flange contact before tightening.

Drain coolant as needed, clean the mounting surface thoroughly, and refill and bleed the cooling system according to factory service procedures after installation.

Quality Assurance

Dorman designs this replacement thermostat housing to match the stock fit and durability of the original part and to withstand extreme temperature changes for extended service life. Part number 902-3044 is built as a service replacement for the listed Ram and Dodge applications.

This part fits 14 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2012Ram25006.7LL6N/AEngine coolant thermostat housing for cooling system.
2012Ram35006.7LL6N/AEngine coolant thermostat housing for cooling system.
2012Ram40006.7LL6N/AEngine coolant thermostat housing for cooling system.
2011Ram25006.7LL6N/AEngine coolant thermostat housing for cooling system.
2011Ram35006.7LL6N/AEngine coolant thermostat housing for cooling system.
2011Ram40006.7LL6N/AEngine coolant thermostat housing for cooling system.
2010DodgeRam 25006.7LL6N/AEngine coolant thermostat housing for cooling system.
2010DodgeRam 35006.7LL6N/AEngine coolant thermostat housing for cooling system.
2009DodgeRam 25006.7LL6N/AEngine coolant thermostat housing for cooling system.
2009DodgeRam 35006.7LL6N/AEngine coolant thermostat housing for cooling system.
2008DodgeRam 25006.7LL6N/AEngine coolant thermostat housing for cooling system.
2008DodgeRam 35006.7LL6N/AEngine coolant thermostat housing for cooling system.
2007DodgeRam 25006.7LL6N/AEngine coolant thermostat housing for cooling system.
2007DodgeRam 35006.7LL6N/AEngine coolant thermostat housing for cooling system.
Directly replaces or cross-references 3 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Four Seasons — 86003Motorad — CH600968145495AA