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Dorman 902-2057 Engine Coolant Thermostat Housing
Engine Coolant Thermostat Housing for Nova
Dorman 902-2057 is a replacement engine coolant thermostat housing for select 1969-1970 Chevrolet Nova models. It is built from metal with a natural finish and includes a gasket for a direct cooling-system service replacement.
Key Features
- Metal thermostat housing for durability in high-heat cooling system service
- Natural finish
- Outlet port diameter: 1.25 in.
- Two mounting holes with 0.313 in. diameter
- 15-degree housing neck angle
- Gasket included; thermostat not included
- No bleeder valve and no bolts included
Detailed Description
This Dorman thermostat housing, part number 902-2057, is engineered to match the fit and durability of the original housing on specified vehicles. It is made to handle repeated temperature swings in the cooling system, helping maintain a secure seal at the thermostat mounting point. This part cross-references Focus Auto Parts 84821 for the same application. Compatible with 1969-1970 Chevrolet Nova cooling system service, 902-2057 is a direct-fit replacement for the engine coolant thermostat housing location.
Common Repair Uses
- Replacing a cracked or corroded thermostat housing
- Restoring a leaking coolant outlet connection
- Repairing a damaged sealing surface at the thermostat neck
- Addressing coolant seepage around the housing gasket
- Servicing the cooling system on a Chevrolet Nova
Installation Notes
Verify the outlet port diameter, mounting hole spacing, and 15-degree neck angle before installation. The package includes the thermostat housing with gasket only; bolts are not included, and a thermostat is not included. Clean the mating surface thoroughly and inspect the cooling system for corrosion or warpage before assembly. Fits 1969 Chevrolet Nova, N/A. Fits 1970 Chevrolet Nova, N/A.
Quality Assurance
Dorman designs this replacement housing to match stock fit and durability on the listed applications. The metal construction is selected for service in extreme temperature changes common to engine cooling systems.
| Brand | Dorman |
|---|---|
| Part Number | 902-2057 |
| Material | Metal |
| Color | Natural |
| Outlet Port Diameter | 1.25 |
| Gasket Or Seal Included | Yes |
| Mounting Hole Quantity | 2 |
| Mounting Hole Diameter | 0.313 |
| Air Vent (Bleeder Valve) | No |
| Bolts Included | No |
| Housing Neck Angle (┬░) | 15 |
| O Rings Included | Not required |
| Package Contents | Thermostat housing with gasket |
| Thermostat Included | No |
This part fits 2 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1970 | Chevrolet | Nova | 2.5L | L4 | N/A | Engine coolant thermostat housing for cooling system. |
| 1969 | Chevrolet | Nova | 2.5L | L4 | N/A | Engine coolant thermostat housing for cooling system. |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.