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Dorman 902-2084 Engine Coolant Thermostat Housing - Inner
| Brand | Dorman 902-2084 |
|---|---|
| Position | Inner |
| Air Vent (Bleeder Valve) | No |
| Bolt Hole Center To Bolt Hole Center | 3.05 |
| Bolts Included | No |
| Color | Natural |
| Flange Thickness | 0.23 |
| Gasket Or Seal Included | No |
| Height | 2.3 |
| Inlet Port Diameter | 2.06 |
| Material | Aluminum |
| Mounting Hole Diameter | 0.3 |
| Mounting Hole Quantity | 2 |
| O Rings Included | No |
| Outlet Port Diameter | 2.12 |
| Package Contents | 1 Thermostat Housing |
| Thermostat Included | No |
| Fits | Chevrolet, Pontiac, Saturn, and Oldsmobile · 26 vehicles |
OE-style replacement. Engineered to match stock fit and durability.
Aluminum construction. Built to handle extreme temperature changes.
Thermostat housing. A direct replacement for the cooling system housing.
Cross-references Four Seasons 85350, Gates CO34831 and Motorad CH5350 for the same application. See all 4.
Engine Coolant Thermostat Housing for GM 2.2L Cooling Systems
Dorman 902-2084 is a replacement engine coolant thermostat housing built to match the fit and durability of the original housing on specified vehicles. Made from natural aluminum, it is engineered to handle repeated temperature swings in the cooling system while maintaining a precise mounting and port layout.
Compatible With Chevrolet Cavalier, Cobalt, Classic, and Malibu; Pontiac Grand Am, G4, and Pursuit; Saturn Ion and Vue; and Oldsmobile Alero applications listed below.
- Aluminum construction with a natural finish
- Outlet port diameter: 2.12 in.; inlet port diameter: 2.06 in.
- Mounting hole quantity: 2; bolt hole center to center: 3.05 in.
- Flange thickness: 0.23 in.; mounting hole diameter: 0.3 in.
- No thermostat, gasket, seal, O-rings, bolts, or bleeder valve included
- Direct replacement for the stock engine coolant thermostat housing on listed vehicles
Fitment Details
- Fits 2002-2005 Chevrolet Cavalier, Inner
- Fits 2004-2005 Chevrolet Classic, Inner
- Fits 2005 Chevrolet Cobalt, Inner
- Fits 2004-2005 Chevrolet Malibu, Inner
- Fits 2005 Pontiac G4, Inner
- Fits 2002-2005 Pontiac Grand Am, Inner
- Fits 2005 Pontiac Pursuit, Inner
- Fits 2003-2005 Saturn Ion, Inner
- Fits 2002-2005 Saturn Vue, Inner
- Fits 2002-2004 Oldsmobile Alero, Inner
- Fits 2004 Saturn Ion, Inner; Cover; L4 134CID 2.2L
What This Part Helps Address
- Cracked or warped thermostat housing
- Coolant leaks at the housing flange or ports
- Improper sealing from heat-cycled original components
- Cooling system service needs on 2.2L-equipped GM vehicles
Installation Notes and Tips
Verify port size, bolt spacing, and mounting location before installation. Because no gasket or seal is included, transfer or replace the sealing components required for the application. Inspect the mating surfaces, thermostat condition, and coolant passages during service to help ensure a proper repair.
Dorman 902-2084 is a direct replacement housing for the listed Chevrolet, Pontiac, Saturn, and Oldsmobile applications. This part cross-references Four Seasons 85350 and Gates CO34831 for the same application.
Quality Assurance
Dorman designs this thermostat housing to match the stock fit and durability requirements of the original part and to withstand extreme temperature changes in the cooling system.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2005 | Chevrolet | Cavalier | 2.2L | L4 | Inner | Engine coolant thermostat housing for cooling system. |
| 2005 | Chevrolet | Classic | 2.2L | L4 | Inner | Engine coolant thermostat housing for cooling system. |
| 2005 | Chevrolet | Cobalt | 2.2L | L4 | Inner | Engine coolant thermostat housing for cooling system. |
| 2005 | Chevrolet | Malibu | 2.2L | L4 | Inner | Engine coolant thermostat housing for cooling system. |
| 2005 | Pontiac | G4 | 2.2L | L4 | Inner | Engine coolant thermostat housing for cooling system. |
| 2005 | Pontiac | Grand Am | 2.2L | L4 | Inner | Engine coolant thermostat housing for cooling system. |
| 2005 | Pontiac | Pursuit | 2.2L | L4 | Inner | Engine coolant thermostat housing for cooling system. |
| 2005 | Saturn | Ion | 2.2L | L4 | Inner | Engine coolant thermostat housing for cooling system. |
| 2005 | Saturn | Vue | 2.2L | L4 | Inner | Engine coolant thermostat housing for cooling system. |
| 2004 | Chevrolet | Cavalier | 2.2L | L4 | Inner | Engine coolant thermostat housing for cooling system. |
| 2004 | Chevrolet | Classic | 2.2L | L4 | Inner | Engine coolant thermostat housing for cooling system. |
| 2004 | Chevrolet | Malibu | 2.2L | L4 | Inner | Engine coolant thermostat housing for cooling system. |
| 2004 | Oldsmobile | Alero | 2.2L | L4 | Inner | Engine coolant thermostat housing for cooling system. |
| 2004 | Pontiac | Grand Am | 2.2L | L4 | Inner | Engine coolant thermostat housing for cooling system. |
| 2004 | Saturn | Ion | — | — | Inner | Cover; L4 134CID 2.2L |
| 2004 | Saturn | Ion | 2.2L | L4 | Inner | Engine coolant thermostat housing for cooling system. |
| 2004 | Saturn | Vue | 2.2L | L4 | Inner | Engine coolant thermostat housing for cooling system. |
| 2003 | Chevrolet | Cavalier | 2.2L | L4 | Inner | Engine coolant thermostat housing for cooling system. |
| 2003 | Oldsmobile | Alero | 2.2L | L4 | Inner | Engine coolant thermostat housing for cooling system. |
| 2003 | Pontiac | Grand Am | 2.2L | L4 | Inner | Engine coolant thermostat housing for cooling system. |
| 2003 | Saturn | Ion | 2.2L | L4 | Inner | Engine coolant thermostat housing for cooling system. |
| 2003 | Saturn | Vue | 2.2L | L4 | Inner | Engine coolant thermostat housing for cooling system. |
| 2002 | Chevrolet | Cavalier | 2.2L | L4 | Inner | Engine coolant thermostat housing for cooling system. |
| 2002 | Oldsmobile | Alero | 2.2L | L4 | Inner | Engine coolant thermostat housing for cooling system. |
| 2002 | Pontiac | Grand Am | 2.2L | L4 | Inner | Engine coolant thermostat housing for cooling system. |
| 2002 | Saturn | Vue | 2.2L | L4 | Inner | Engine coolant thermostat housing for cooling system. |
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