Dorman 902-3026 Engine Coolant Thermostat Housing
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Dorman

Dorman 902-3026 Engine Coolant Thermostat Housing

Brand Dorman 902-3026
Air Vent (Bleeder Valve) No
Bolts Included No
Color Black
Gasket Or Seal Included Yes
Housing Neck Angle (┬░) 180
Material Metal
Mounting Hole Diameter 0.313
Mounting Hole Quantity 3
O Rings Included Not Required
Outlet Port Diameter 1.625
Package Contents 1 Thermostat Housing
Thermostat Included No
Fits Dodge · 21 vehicles

OE direct replacement. Matches the fit and durability of the stock thermostat housing.

Metal construction. Built to handle extreme temperature changes for longer service life.

Gasket or seal included. Ready for a cleaner, more complete installation.

Cross-references Four Seasons 85192, Gates CO34782 and Motorad CH4026 for the same application. See all 7.

$51.18Free shipping
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Free returns within 60 days if it doesn't fit when fitment is verified.
Not what you need? See all Engine Coolant Thermostat Housing options

Engine Coolant Thermostat Housing for Ram

This Dorman engine coolant thermostat housing is a direct replacement for specified Dodge Ram 2500 and Ram 3500 applications. Built from metal with a black finish, it is engineered to match the stock housing’s fit and durability while handling repeated temperature swings in the cooling system.

  • Metal construction for strength and heat resistance
  • Black finish for a clean OE-style appearance
  • 1.625 in. outlet port diameter
  • Gasket or seal included for service replacement
  • 3 mounting holes with 0.313 in. mounting hole diameter
  • 180-degree housing neck angle
  • No bleeder valve; thermostat not included

Fitment Details

  • Fits 2000-2010 Dodge Ram 2500, engine coolant thermostat housing for cooling system.
  • Fits 2000-2008 Dodge Ram 3500, engine coolant thermostat housing for cooling system.
  • Fits 2009 Dodge Ram 3500, Cover; L6 359CID 5.9L.

Part number 902-3026 is a practical replacement for cooling system service on Dodge Ram 2500 and Dodge Ram 3500 trucks. This thermostat housing cross-references Gates CO34782 for the same application.

What It Helps Address

  • Cracked or warped thermostat housing
  • Coolant leaks at the housing-to-engine sealing surface
  • Heat-related housing distortion from repeated temperature cycling
  • Improper thermostat housing fit after prior repair
  • Cooling system service needs on Ram 2500 and Ram 3500 models

Installation Notes

Verify the outlet port diameter, mounting hole layout, and housing neck angle before installation. Replace the gasket or seal during service, and transfer any reusable components from the original assembly as needed. Confirm the thermostat is separate from the housing on this part number, and inspect the mating surfaces for corrosion or debris before reassembly.

Quality Assurance

Dorman designs this replacement thermostat housing to match the fit and durability of the original part on specified vehicles. The metal housing is built to withstand extreme temperature changes for extended service life.

Related reading

This part fits 21 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2010DodgeRam 25005.9LL6N/AEngine coolant thermostat housing for cooling system.
2009DodgeRam 25005.9LL6N/AEngine coolant thermostat housing for cooling system.
2009DodgeRam 3500——N/ACover; L6 359CID 5.9L
2008DodgeRam 25005.9LL6N/AEngine coolant thermostat housing for cooling system.
2008DodgeRam 35005.9LL6N/AEngine coolant thermostat housing for cooling system.
2007DodgeRam 25005.9LL6N/AEngine coolant thermostat housing for cooling system.
2007DodgeRam 35005.9LL6N/AEngine coolant thermostat housing for cooling system.
2006DodgeRam 25005.9LL6N/AEngine coolant thermostat housing for cooling system.
2006DodgeRam 35005.9LL6N/AEngine coolant thermostat housing for cooling system.
2005DodgeRam 25005.9LL6N/AEngine coolant thermostat housing for cooling system.
2005DodgeRam 35005.9LL6N/AEngine coolant thermostat housing for cooling system.
2004DodgeRam 25005.9LL6N/AEngine coolant thermostat housing for cooling system.
2004DodgeRam 35005.9LL6N/AEngine coolant thermostat housing for cooling system.
2003DodgeRam 25005.9LL6N/AEngine coolant thermostat housing for cooling system.
2003DodgeRam 35005.9LL6N/AEngine coolant thermostat housing for cooling system.
2002DodgeRam 25005.9LL6N/AEngine coolant thermostat housing for cooling system.
2002DodgeRam 35005.9LL6N/AEngine coolant thermostat housing for cooling system.
2001DodgeRam 25005.9LL6N/AEngine coolant thermostat housing for cooling system.
2001DodgeRam 35005.9LL6N/AEngine coolant thermostat housing for cooling system.
2000DodgeRam 25005.9LL6N/AEngine coolant thermostat housing for cooling system.
2000DodgeRam 35005.9LL6N/AEngine coolant thermostat housing for cooling system.
Directly replaces or cross-references 7 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Four Seasons — 85192Gates — CO34782Motorad — CH4026Valeo — 81559751795015713AATC179