OE Quality
60-Day Returns

Dorman 902-895 Engine Coolant Thermostat Housing - Upper
Overview of Dorman Engine Coolant Thermostat Housing 902-895
The Dorman 902-895 engine coolant thermostat housing is designed for reliable cooling system performance in select Ford and Mazda vehicles. Engineered with durable plastic and precise specifications, this thermostat housing supports efficient coolant flow and temperature regulation.
- Constructed from durable black plastic for corrosion resistance
- Includes one water outlet and one O-ring for a secure seal
- Outlet port diameter measures 1.5 inches for proper coolant flow
- Features three mounting holes with 0.313-inch diameter for secure installation
- Housing neck angled at 45 degrees from base to fit specific engine layouts
- Gasket or seal included to prevent leaks
- Compatible with Ford B4000, Explorer, Explorer Sport, Explorer Sport Trac, and Ranger models
Detailed Product Description
The Dorman 902-895 engine coolant thermostat housing is a critical component designed to house the thermostat and direct coolant flow within the engine cooling system. Made from high-quality black plastic, it offers resistance to heat and corrosion, ensuring long-term durability. The housing features a 1.5-inch outlet port diameter and a 45-degree neck angle, engineered to match the cooling system design of compatible Ford and Mazda vehicles. This part includes an O-ring and gasket to maintain a tight seal and prevent coolant leaks. While bolts are not included, the housing has three mounting holes with a diameter of 0.313 inches for secure attachment.
Compatible Vehicles and Applications
This thermostat housing is compatible with several Ford and Mazda models, including the Ford B4000, Explorer, Explorer Sport, Explorer Sport Trac, and Ranger. It is designed to replace the original equipment part and restore proper coolant flow and temperature regulation in these vehicles.
- Prevents coolant leaks caused by damaged or cracked thermostat housings
- Helps maintain optimal engine temperature by housing the thermostat securely
- Addresses overheating issues related to faulty or worn thermostat housings
- Eliminates coolant contamination from external debris
- Supports efficient coolant circulation to prevent engine damage
Installation Notes and Tips
When installing the Dorman 902-895 thermostat housing, ensure the engine is cool before beginning work. Remove the old housing carefully to avoid damaging surrounding components. Use the included O-ring and gasket to create a proper seal and prevent leaks. Verify that the three mounting holes align correctly and use appropriate bolts (not included) with the specified 0.313-inch diameter. Double-check the 45-degree neck angle orientation to ensure proper fitment with the vehicle’s cooling system.
Quality Assurance and Warranty
Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 902-895 thermostat housing undergoes rigorous quality control to ensure durability and reliable performance. This part includes a limited warranty covering defects in material and workmanship, providing confidence in its long-term use.
| Brand | Dorman |
| Part Number | 902-895 |
| Air Vent (Bleeder Valve) | No |
| Bolts Included | No |
| Color | Black |
| Gasket Or Seal Included | Yes |
| Housing Neck Angle (┬░) | 45 Degrees From Base |
| Material | Plastic |
| Mounting Hole Diameter | 0.313 |
| Mounting Hole Quantity | 3 |
| O Rings Included | Yes |
| Outlet Port Diameter | 1.5 |
| Package Contents | 1 Water Outlet; 1 O-ring |
| Thermostat Included | No |
This part fits 30 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2011 | Ford | Ranger | 4.0L | V6 | Upper | Engine coolant thermostat housing for cooling system. | |
| 2010 | Ford | Ranger | 4.0L | V6 | Upper | Engine coolant thermostat housing for cooling system. | |
| 2010 | Mazda | B4000 | 4.0L | V6 | Upper | Engine coolant thermostat housing for cooling system. | |
| 2009 | Ford | Ranger | 4.0L | V6 | Upper | Engine coolant thermostat housing for cooling system. | |
| 2009 | Mazda | B4000 | 4.0L | V6 | Upper | Engine coolant thermostat housing for cooling system. | |
| 2008 | Ford | Ranger | 4.0L | V6 | Upper | Engine coolant thermostat housing for cooling system. | |
| 2008 | Mazda | B4000 | 4.0L | V6 | Upper | Engine coolant thermostat housing for cooling system. | |
| 2007 | Ford | Ranger | 4.0L | V6 | Upper | Engine coolant thermostat housing for cooling system. | |
| 2007 | Mazda | B4000 | 4.0L | V6 | Upper | Engine coolant thermostat housing for cooling system. | |
| 2006 | Ford | Ranger | 4.0L | V6 | Upper | Engine coolant thermostat housing for cooling system. | |
| 2006 | Mazda | B4000 | 4.0L | V6 | Upper | Engine coolant thermostat housing for cooling system. | |
| 2005 | Ford | Explorer Sport Trac | 4.0L | V6 | Upper | Engine coolant thermostat housing for cooling system. | |
| 2005 | Ford | Ranger | 4.0L | V6 | Upper | Engine coolant thermostat housing for cooling system. | |
| 2005 | Mazda | B4000 | 4.0L | V6 | Upper | Engine coolant thermostat housing for cooling system. | |
| 2004 | Ford | Explorer Sport Trac | 4.0L | V6 | Upper | Engine coolant thermostat housing for cooling system. | |
| 2004 | Ford | Ranger | 4.0L | V6 | Upper | Engine coolant thermostat housing for cooling system. | |
| 2004 | Mazda | B4000 | 4.0L | V6 | Upper | Engine coolant thermostat housing for cooling system. | |
| 2003 | Ford | Explorer Sport | 4.0L | V6 | Upper | Engine coolant thermostat housing for cooling system. | |
| 2003 | Ford | Explorer Sport Trac | 4.0L | V6 | Upper | Engine coolant thermostat housing for cooling system. | |
| 2003 | Ford | Ranger | 4.0L | V6 | Upper | Engine coolant thermostat housing for cooling system. | |
| 2003 | Mazda | B4000 | 4.0L | V6 | Upper | Engine coolant thermostat housing for cooling system. | |
| 2002 | Ford | Explorer Sport | 4.0L | V6 | Upper | Engine coolant thermostat housing for cooling system. | |
| 2002 | Ford | Explorer Sport Trac | 4.0L | V6 | Upper | Engine coolant thermostat housing for cooling system. | |
| 2002 | Ford | Ranger | 4.0L | V6 | Upper | Engine coolant thermostat housing for cooling system. | |
| 2002 | Mazda | B4000 | 4.0L | V6 | Upper | Engine coolant thermostat housing for cooling system. | |
| 2001 | Ford | Explorer | Postal | 4.0L | V6 | Upper | Engine coolant thermostat housing for cooling system. |
| 2001 | Ford | Explorer Sport | 4.0L | V6 | Upper | Cover; From 7/24/00 | |
| 2001 | Ford | Explorer Sport Trac | 4.0L | V6 | Upper | From 7/24/00; Cover | |
| 2001 | Ford | Ranger | 4.0L | V6 | Upper | w/Clip in Sensor; Cover | |
| 2001 | Mazda | B4000 | 4.0L | V6 | Upper | Cover; w/Clip in Sensor |
* 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.