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Dorman 902-860 Engine Coolant Thermostat Housing Assembly
Reliable Engine Coolant Thermostat Housing Assembly for Ford and Mercury
The Dorman 902-860 Engine Coolant Thermostat Housing Assembly is designed to maintain optimal engine temperature for Ford Explorer, Explorer Sport Trac, and Mercury Mountaineer models. This assembly includes all necessary components to ensure proper coolant flow and temperature regulation.
- Material: Durable black plastic construction
- Includes thermostat with 190°F opening temperature
- Comes with upper and lower housing and gasket for secure sealing
- Features three mounting holes and three outlet ports for precise fitment
- Gasket included to prevent leaks and ensure a tight seal
Product Details and Specifications
The Dorman 902-860 thermostat housing assembly is made from high-quality plastic designed to withstand engine heat and pressure. It includes both upper and lower housings, a thermostat calibrated to open at 190 degrees Fahrenheit, and a gasket to ensure a leak-free installation. The assembly features three mounting holes and three outlet ports, matching the original equipment specifications for Ford Explorer, Explorer Sport Trac, and Mercury Mountaineer vehicles. This part does not include mounting hardware but comes ready with all essential components for a complete replacement.
Compatible Vehicles and Applications
This engine coolant thermostat housing assembly is compatible with the following vehicles:
- Ford Explorer
- Ford Explorer Sport Trac
- Mercury Mountaineer
Use this assembly to replace worn or damaged thermostat housings in these models to maintain proper engine cooling system performance.
Common Issues Addressed by This Thermostat Housing Assembly
- Engine overheating due to faulty thermostat housing
- Coolant leaks from cracked or damaged housing
- Irregular engine temperature regulation
- Failed thermostat causing poor coolant flow
- Corrosion or wear in original housing components
Installation Notes and Tips
- Ensure engine is cool before beginning installation
- Remove old thermostat housing carefully to avoid damaging mounting surfaces
- Use the included gasket to prevent coolant leaks
- Verify the thermostat opens at 190°F for proper engine temperature control
- Check all mounting holes and outlet ports align correctly with vehicle connections
Quality Assurance and Warranty Information
Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 902-860 thermostat housing assembly undergoes rigorous quality control to ensure durability and reliable performance. This product includes a limited warranty against defects in material and workmanship, providing confidence in your replacement part.
| Brand | Dorman |
| Part Number | 902-860 |
| Bleeder Hole | No |
| Color | Black |
| Gasket Or Seal Included | Yes |
| Gasket Type | Gasket |
| Grade Type | Regular |
| Material | Plastic |
| Mounting Hardware Included | No |
| Mounting Hole Quantity | 3 |
| Outlet Port Quantity | 3 |
| Package Contents | Upper Housing; Lower Housing; Thermostat; Gasket; Upper and Lower Housing Bolts; Sensor Plug; Sensor Clip |
| Thermostat Included | Yes |
| Thermostat Opening Temperature | 190 Deg. F. |
This part fits 22 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2010 | Ford | Explorer | 4.0L | V6 | N/A | Plastic Housing; w/Cover |
| 2010 | Ford | Explorer Sport Trac | 4.0L | V6 | N/A | Plastic Housing; w/Cover |
| 2010 | Mercury | Mountaineer | 4.0L | V6 | N/A | Plastic Housing; w/Cover |
| 2009 | Ford | Explorer | 4.0L | V6 | N/A | Plastic Housing; w/Cover |
| 2009 | Ford | Explorer Sport Trac | 4.0L | V6 | N/A | Plastic Housing; w/Cover |
| 2009 | Mercury | Mountaineer | 4.0L | V6 | N/A | Plastic Housing; w/Cover |
| 2008 | Ford | Explorer | 4.0L | V6 | N/A | Plastic Housing; w/Cover |
| 2008 | Ford | Explorer Sport Trac | 4.0L | V6 | N/A | Plastic Housing; w/Cover |
| 2008 | Mercury | Mountaineer | 4.0L | V6 | N/A | Plastic Housing; w/Cover |
| 2007 | Ford | Explorer | 4.0L | V6 | N/A | Plastic Housing; w/Cover |
| 2007 | Ford | Explorer Sport Trac | 4.0L | V6 | N/A | Plastic Housing; w/Cover |
| 2007 | Mercury | Mountaineer | 4.0L | V6 | N/A | Plastic Housing; w/Cover |
| 2006 | Ford | Explorer | 4.0L | V6 | N/A | Plastic Housing; w/Cover |
| 2006 | Mercury | Mountaineer | 4.0L | V6 | N/A | Plastic Housing; w/Cover |
| 2005 | Ford | Explorer | 4.0L | V6 | N/A | Plastic Housing; w/Cover |
| 2005 | Mercury | Mountaineer | 4.0L | V6 | N/A | Plastic Housing; w/Cover |
| 2004 | Ford | Explorer | 4.0L | V6 | N/A | Plastic Housing; w/Cover |
| 2004 | Mercury | Mountaineer | 4.0L | V6 | N/A | Plastic Housing; w/Cover |
| 2003 | Ford | Explorer | 4.0L | V6 | N/A | Plastic Housing; w/Cover |
| 2003 | Mercury | Mountaineer | 4.0L | V6 | N/A | Plastic Housing; w/Cover |
| 2002 | Ford | Explorer | 4.0L | V6 | N/A | Plastic Housing; w/Cover |
| 2002 | Mercury | Mountaineer | 4.0L | V6 | N/A | Plastic Housing; w/Cover |
* 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.