Dorman 902-2083 Engine Coolant Thermostat Housing - Upper

Brand Dorman 902-2083
Air Vent (Bleeder Valve) No
Bolts Included No
Color Natural
Gasket Or Seal Included No
Housing Neck Angle (┬░) 45 deg
Material Metal
Mounting Hole Diameter 0.28
Mounting Hole Quantity 2
O Rings Included Not Required
Outlet Port Diameter 1.437
Package Contents Thermostat Housing
Thermostat Included No
Fits Chevrolet, Pontiac, and Saturn · 40 vehicles

OE-style replacement. Matches stock fit and durability for straightforward service.

Metal construction. Built to handle extreme temperature changes and extend service life.

Thermostat housing. Replacement housing for the engine coolant thermostat assembly.

Cross-references Four Seasons 85348, Gates CO34832 and Motorad CH2083 for the same application. See all 4.

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Engine Coolant Thermostat Housing for GM Cooling Systems

Dorman 902-2083 is a metal engine coolant thermostat housing built to match the fit and durability of the original housing on specified vehicles. It is made for cooling systems that see repeated temperature swings, helping maintain a secure thermostat mounting point and stable coolant routing.

  • Metal construction with a natural finish
  • 45-degree housing neck angle for the specified application
  • 1.437-inch outlet port diameter
  • Two mounting holes with 0.28-inch diameter
  • No gasket or seal included
  • No thermostat included
  • No bolts included
  • No bleeder valve

Fitment and Application Details

Compatible With 2006-2007 Chevrolet Cobalt, engine coolant thermostat housing for cooling system; 2006-2007 Chevrolet HHR, engine coolant thermostat housing for cooling system; 2006-2007 Chevrolet Malibu, engine coolant thermostat housing for cooling system. Also fits 2006-2007 Pontiac Solstice, 2007 Pontiac G5, 2007 Pontiac G6, 2007 Saturn Aura, 2006-2007 Saturn Ion, 2007 Saturn Sky, and 2006-2007 Saturn Vue.

  • Fits 2006 Pontiac G4, engine coolant thermostat housing for cooling system; also fits 2006 Pontiac G4, wo/Oil Cooler; Cover.
  • Fits 2006 Pontiac G6, wo/Engine Oil Cooler; Cover.
  • Fits 2006 Pontiac Pursuit, Upper, engine coolant thermostat housing for cooling system; also fits 2006 Pontiac Pursuit, Upper, wo/Oil Cooler; Cover.
  • Fits 2004 Saturn L300, engine coolant thermostat housing for cooling system.
  • Fits 2001-2003 Saturn L200, engine coolant thermostat housing for cooling system.
  • Fits 2001-2003 Saturn LW200, engine coolant thermostat housing for cooling system.
  • Fits 2001-2002 Saturn L100, engine coolant thermostat housing for cooling system.
  • Fits 2000 Saturn LS, engine coolant thermostat housing for cooling system.
  • Fits 2000 Saturn LS1, engine coolant thermostat housing for cooling system.
  • Fits 2000 Saturn LW1, engine coolant thermostat housing for cooling system.

What This Housing Helps Address

  • Cracked or warped thermostat housing surfaces
  • Coolant leaks at the thermostat mounting area
  • Improper thermostat sealing caused by housing wear
  • Cooling system service needs on Chevrolet Cobalt, HHR, and Malibu models
  • Replacement needs on Pontiac G5, G6, Solstice, and Saturn applications

Installation Notes and Tips

Verify the outlet port diameter, 45-degree neck angle, and two-hole mounting pattern before installation. This housing does not include a gasket, seal, thermostat, or bolts, so confirm the required service parts for the vehicle before beginning the repair. Clean the mating surfaces thoroughly and inspect the cooling system for related wear before reassembly.

Quality Assurance

Dorman designs this replacement thermostat housing to match stock fit and durability on the listed applications. Part number 902-2083 also cross-references Motorad CH2083 for the same application.

This part fits 40 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2007ChevroletCobalt2.2LL4N/AEngine coolant thermostat housing for cooling system.
2007ChevroletCobalt2.4LL4N/AEngine coolant thermostat housing for cooling system.
2007ChevroletHHR2.2LL4N/AEngine coolant thermostat housing for cooling system.
2007ChevroletHHR2.4LL4N/AEngine coolant thermostat housing for cooling system.
2007ChevroletMalibu2.2LL4N/AEngine coolant thermostat housing for cooling system.
2007PontiacG52.2LL4N/AEngine coolant thermostat housing for cooling system.
2007PontiacG52.4LL4N/AEngine coolant thermostat housing for cooling system.
2007PontiacG62.4LL4N/AEngine coolant thermostat housing for cooling system.
2007PontiacSolstice2.4LL4N/AEngine coolant thermostat housing for cooling system.
2007SaturnAura2.4LL4N/AEngine coolant thermostat housing for cooling system.
2007SaturnIon2.2LL4N/AEngine coolant thermostat housing for cooling system.
2007SaturnIon2.4LL4N/Awo/Engine Oil Cooler; Cover
2007SaturnSky2.4LL4N/AEngine coolant thermostat housing for cooling system.
2007SaturnVue2.2LL4N/AEngine coolant thermostat housing for cooling system.
2006ChevroletCobalt2.2LL4N/AEngine coolant thermostat housing for cooling system.
2006ChevroletCobalt2.4LL4N/AEngine coolant thermostat housing for cooling system.
2006ChevroletHHR2.2LL4N/AEngine coolant thermostat housing for cooling system.
2006ChevroletHHR2.4LL4N/AEngine coolant thermostat housing for cooling system.
2006ChevroletMalibu2.2LL4N/AEngine coolant thermostat housing for cooling system.
2006PontiacG42.4LL4N/Awo/Oil Cooler; Cover
2006PontiacG42.2LL4N/AEngine coolant thermostat housing for cooling system.
2006PontiacG62.4LL4N/Awo/Engine Oil Cooler; Cover
2006PontiacPursuit2.2LL4UpperEngine coolant thermostat housing for cooling system.
2006PontiacPursuit2.4LL4Upperwo/Oil Cooler; Cover
2006PontiacSolstice2.4LL4N/AEngine coolant thermostat housing for cooling system.
2006SaturnIon2.2LL4N/AEngine coolant thermostat housing for cooling system.
2006SaturnIon2.4LL4N/Awo/Engine Oil Cooler; Cover
2006SaturnVue2.2LL4N/AEngine coolant thermostat housing for cooling system.
2004SaturnL3002.2LL4N/AEngine coolant thermostat housing for cooling system.
2003SaturnL2002.2LL4N/AEngine coolant thermostat housing for cooling system.
2003SaturnLW2002.2LL4N/AEngine coolant thermostat housing for cooling system.
2002SaturnL1002.2LL4N/AEngine coolant thermostat housing for cooling system.
2002SaturnL2002.2LL4N/AEngine coolant thermostat housing for cooling system.
2002SaturnLW2002.2LL4N/AEngine coolant thermostat housing for cooling system.
2001SaturnL1002.2LL4N/AEngine coolant thermostat housing for cooling system.
2001SaturnL2002.2LL4N/AEngine coolant thermostat housing for cooling system.
2001SaturnLW2002.2LL4N/AEngine coolant thermostat housing for cooling system.
2000SaturnLS2.2LL4N/AEngine coolant thermostat housing for cooling system.
2000SaturnLS12.2LL4N/AEngine coolant thermostat housing for cooling system.
2000SaturnLW12.2LL4N/AEngine coolant thermostat housing for cooling system.
Directly replaces or cross-references 4 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Four Seasons — 85348Gates — CO34832Motorad — CH208390537605