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Dorman 902-1056 Engine Coolant Thermostat Housing - Lower
| Brand | Dorman 902-1056 |
|---|---|
| Position | Lower |
| Air Vent (Bleeder Valve) | No |
| Bolts Included | No |
| Color | Natural |
| Gasket Or Seal Included | Yes |
| Housing Neck Angle (┬░) | 15 |
| Material | Metal |
| Mounting Hole Diameter | 0.313 |
| Mounting Hole Quantity | 2 |
| O Rings Included | Not Required |
| Outlet Port Diameter | 1.438 |
| Package Contents | Thermostat Housing with Gasket |
| Thermostat Included | No |
| Fits | Lincoln · 3 vehicles |
OE-style replacement. Engineered to match stock fit and durability.
Metal construction. Built to handle extreme temperature changes.
Thermostat housing with gasket included.
Cross-references Carlson 7081, Four Seasons 85188 and 2C5Z8592EB for the same application. See all 5.
Engine Coolant Thermostat Housing for Lincoln Aviator
Dorman 902-1056 is a replacement engine coolant thermostat housing built for the lower cooling system position on select Lincoln Aviator models. It is made from metal and includes a gasket for a direct-fit service replacement on 2003-2005 Lincoln Aviator applications.
Key Features
- Metal thermostat housing with a natural finish
- Includes gasket for sealing at installation
- Outlet port diameter: 1.438 in.
- Two mounting holes with 0.313 in. diameter
- 15-degree housing neck angle
- No bleeder valve; thermostat not included
- Package contents: thermostat housing with gasket
Detailed Description
This Dorman thermostat housing, part number 902-1056, is engineered to match the fit and durability of the original housing used on the lower cooling system of the Lincoln Aviator. The metal construction is selected for service in environments with repeated heat cycling and temperature swings, helping maintain a secure coolant seal at the thermostat location. For buyers searching for a 2003-2005 Lincoln Aviator lower engine coolant thermostat housing, 902-1056 provides the correct housing configuration with the gasket included.
This part cross-references Carlson 7081 and Four Seasons 85188 for the same application.
What It Helps Address
- Coolant leakage at the thermostat housing
- Cracked or warped original housing surfaces
- Improper sealing at the lower cooling system connection
- Service replacement needs on a 2003-2005 Lincoln Aviator
- Fitment issues caused by worn housing neck or mounting points
Installation Notes and Tips
Verify the lower position, outlet port diameter, and mounting hole layout before installation. Clean the mating surfaces thoroughly and replace any damaged coolant seals or related components as needed. The thermostat is not included, so confirm the existing thermostat is serviceable or source the correct replacement separately. This part is listed for Fits 2003-2005 Lincoln Aviator, lower.
Quality Assurance
Dorman designs this replacement thermostat housing to match stock fit and durability on specified vehicles and to withstand extreme temperature changes for extended service life. Part number 902-1056 is built as a direct replacement for the original lower thermostat housing used on the Lincoln Aviator.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2005 | Lincoln | Aviator | 4.6L | V8 | Lower | Engine coolant thermostat housing for cooling system. |
| 2004 | Lincoln | Aviator | 4.6L | V8 | Lower | Engine coolant thermostat housing for cooling system. |
| 2003 | Lincoln | Aviator | 4.6L | V8 | Lower | Engine coolant thermostat housing for cooling system. |
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