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Dorman 902-1125 Engine Coolant Thermostat Housing Assembly
Reliable Engine Coolant Thermostat Housing Assembly
The Dorman 902-1125 Engine Coolant Thermostat Housing Assembly is designed to maintain optimal engine temperature for Ford, Lincoln, and Mazda vehicles. This assembly includes a thermostat calibrated to open at 160°F, ensuring efficient engine cooling and performance.
- Durable black plastic housing with a 1.1-inch inside diameter
- Includes thermostat and gasket for a complete replacement
- Features two outlet ports and three mounting holes for secure installation
- Flange dimensions: 3.7 inches length, 3.11 inches width, and 0.45 inches thickness
- Compatible with multiple Ford, Lincoln, and Mazda models including Escape, Explorer, Fusion, MX-5 Miata, and Taurus
Product Details and Specifications
This engine coolant thermostat housing assembly by Dorman is constructed from high-quality plastic, providing resistance to corrosion and heat. The included thermostat opens at 160 degrees Fahrenheit, helping regulate coolant flow to prevent engine overheating. The assembly comes with a gasket to ensure a tight seal and prevent leaks. It features two outlet ports and three mounting holes spaced 3 inches apart center-to-center, designed for a secure fit on compatible vehicles. The black housing's flange measures 3.7 inches in length, 3.11 inches in width, and 0.45 inches in thickness, matching OEM specifications for proper installation.
Compatible Vehicles and Applications
This Dorman 902-1125 thermostat housing assembly is compatible with a range of Ford, Lincoln, and Mazda models. It fits Ford Escape, Explorer, Fiesta, Focus, Fusion, and Taurus models, Lincoln MKC, MKT, and MKZ, as well as Mazda 3, 3 Sport, 5, EcoSport, MX-5, and MX-5 Miata. This part is ideal for replacing worn or damaged thermostat housings in these vehicles to restore proper engine cooling function.
- Prevents engine overheating by regulating coolant flow
- Eliminates coolant leaks caused by cracked or warped housings
- Restores proper thermostat operation for consistent engine temperature
- Addresses poor heater performance due to thermostat failure
- Resolves check engine light codes related to cooling system issues
Installation Notes and Tips
Installation requires removal of the old thermostat housing and cleaning of the mounting surface to ensure a proper seal. The included gasket must be positioned correctly to prevent leaks. Note that mounting hardware is not included, so reuse existing bolts or acquire new ones as needed. Verify the thermostat opening temperature matches vehicle specifications before installation. Proper torque on mounting bolts is essential to avoid damage to the plastic housing.
Quality Assurance and Warranty
Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 902-1125 thermostat housing assembly undergoes rigorous quality checks to ensure durability and reliable performance. This product includes a gasket and thermostat to provide a complete solution for cooling system repairs. Warranty coverage details can be obtained from the product documentation or Dorman directly.
| Brand | Dorman |
| Part Number | 902-1125 |
| Bleeder Hole | No |
| Bolt Hole Center To Bolt Hole Center | 3 |
| Color | Black |
| Flange Length | 3.7 |
| Flange Thickness | 0.45 |
| Flange Width | 3.11 |
| Gasket Or Seal Included | Yes |
| Gasket Type | Gasket |
| Grade Type | Regular |
| Inside Diameter | 1.1 |
| Material | Plastic |
| Mounting Hardware Included | No |
| Mounting Hole Quantity | 3 |
| Outlet Port Quantity | 2 |
| Package Contents | 1 Thermostat Housing; 1 Thermostat; 1 Gasket |
| Thermostat Included | Yes |
| Thermostat Opening Temperature | 160 Deg. F |
This part fits 80 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2018 | Ford | Focus | 2.0L | L4 | N/A | Cover; Includes Thermostat; 160 Degrees Fahrenheit | |
| 2017 | Ford | EcoSport | 2.0L | L4 | N/A | Built in Brazil; Cover; Includes Thermostat; 160 Degrees Fahrenheit | |
| 2017 | Ford | Focus | 2.0L | L4 | N/A | Cover; Includes Thermostat; 160 Degrees Fahrenheit | |
| 2017 | Ford | Taurus | 2.0L | L4 | N/A | Cover; Includes Thermostat; 160 Degrees Fahrenheit | |
| 2016 | Ford | EcoSport | 2.0L | L4 | N/A | Built in Brazil; Cover; Includes Thermostat; 160 Degrees Fahrenheit | |
| 2016 | Ford | Escape | 2.0L | L4 | N/A | Cover; Includes Thermostat; 160 Degrees Fahrenheit | |
| 2016 | Ford | Focus | 2.0L | L4 | N/A | Cover; Includes Thermostat; 160 Degrees Fahrenheit | |
| 2016 | Ford | Fusion | 2.0L | L4 | N/A | Cover; Includes Thermostat; 160 Degrees Fahrenheit | |
| 2016 | Ford | Taurus | 2.0L | L4 | N/A | Cover; Includes Thermostat; 160 Degrees Fahrenheit | |
| 2016 | Lincoln | MKC | 2.0L | L4 | N/A | Cover; Includes Thermostat; 160 Degrees Fahrenheit | |
| 2016 | Lincoln | MKT | 2.0L | L4 | N/A | Cover; Includes Thermostat; 160 Degrees Fahrenheit | |
| 2016 | Lincoln | MKZ | 2.0L | L4 | N/A | Cover; Includes Thermostat; 160 Degrees Fahrenheit | |
| 2015 | Ford | EcoSport | 2.0L | L4 | N/A | Built in Brazil; Cover; Includes Thermostat; 160 Degrees Fahrenheit | |
| 2015 | Ford | Escape | 2.0L | L4 | N/A | Cover; Includes Thermostat; 160 Degrees Fahrenheit | |
| 2015 | Ford | Explorer | 2.0L | L4 | N/A | Cover; Includes Thermostat; 160 Degrees Fahrenheit | |
| 2015 | Ford | Focus | 2.0L | L4 | N/A | Cover; Includes Thermostat; 160 Degrees Fahrenheit | |
| 2015 | Ford | Fusion | 2.0L | L4 | N/A | Cover; Includes Thermostat; 160 Degrees Fahrenheit | |
| 2015 | Ford | Taurus | 2.0L | L4 | N/A | Cover; Includes Thermostat; 160 Degrees Fahrenheit | |
| 2015 | Lincoln | MKC | 2.0L | L4 | N/A | Cover; Includes Thermostat; 160 Degrees Fahrenheit | |
| 2015 | Lincoln | MKT | 2.0L | L4 | N/A | Cover; Includes Thermostat; 160 Degrees Fahrenheit | |
| 2015 | Lincoln | MKZ | 2.0L | L4 | N/A | Cover; Includes Thermostat; 160 Degrees Fahrenheit | |
| 2015 | Mazda | MX-5 | 2.0L | L4 | N/A | Cover; Includes Thermostat; 160 Degrees Fahrenheit | |
| 2015 | Mazda | MX-5 Miata | 2.0L | L4 | N/A | Cover; Includes Thermostat; 160 Degrees Fahrenheit | |
| 2014 | Ford | EcoSport | 2.0L | L4 | N/A | Built in Brazil; Cover; Includes Thermostat; 160 Degrees Fahrenheit | |
| 2014 | Ford | Escape | 2.0L | L4 | N/A | Cover; Includes Thermostat; 160 Degrees Fahrenheit | |
| 2014 | Ford | Explorer | 2.0L | L4 | N/A | Cover; Includes Thermostat; 160 Degrees Fahrenheit | |
| 2014 | Ford | Focus | 2.0L | L4 | N/A | Cover; Includes Thermostat; 160 Degrees Fahrenheit | |
| 2014 | Ford | Fusion | 2.0L | L4 | N/A | Cover; Includes Thermostat; 160 Degrees Fahrenheit | |
| 2014 | Ford | Taurus | 2.0L | L4 | N/A | Cover; Includes Thermostat; 160 Degrees Fahrenheit | |
| 2014 | Lincoln | MKT | 2.0L | L4 | N/A | Cover; Includes Thermostat; 160 Degrees Fahrenheit | |
| 2014 | Lincoln | MKZ | 2.0L | L4 | N/A | Cover; Includes Thermostat; 160 Degrees Fahrenheit | |
| 2014 | Mazda | MX-5 | 2.0L | L4 | N/A | Cover; Includes Thermostat; 160 Degrees Fahrenheit | |
| 2014 | Mazda | MX-5 Miata | 2.0L | L4 | N/A | Cover; Includes Thermostat; 160 Degrees Fahrenheit | |
| 2013 | Ford | EcoSport | 2.0L | L4 | N/A | Cover; Includes Thermostat; 160 Degrees Fahrenheit | |
| 2013 | Ford | Escape | 2.0L | L4 | N/A | Cover; Includes Thermostat; 160 Degrees Fahrenheit | |
| 2013 | Ford | Explorer | 2.0L | L4 | N/A | Cover; Includes Thermostat; 160 Degrees Fahrenheit; From 9/04/12 | |
| 2013 | Ford | Focus | 2.0L | L4 | N/A | Cover; Includes Thermostat; 160 Degrees Fahrenheit | |
| 2013 | Ford | Fusion | 2.0L | L4 | N/A | Cover; Includes Thermostat; 160 Degrees Fahrenheit | |
| 2013 | Ford | Taurus | 2.0L | L4 | N/A | Cover; Includes Thermostat; 160 Degrees Fahrenheit | |
| 2013 | Lincoln | MKT | 2.0L | L4 | N/A | Cover; Includes Thermostat; 160 Degrees Fahrenheit | |
| 2013 | Lincoln | MKZ | 2.0L | L4 | N/A | Cover; Includes Thermostat; 160 Degrees Fahrenheit | |
| 2013 | Mazda | 3 | 2.0L | L4 | N/A | Cover; Includes Thermostat; 160 Degrees Fahrenheit | |
| 2013 | Mazda | MX-5 | 2.0L | L4 | N/A | Cover; Includes Thermostat; 160 Degrees Fahrenheit | |
| 2013 | Mazda | MX-5 Miata | 2.0L | L4 | N/A | Cover; Includes Thermostat; 160 Degrees Fahrenheit | |
| 2012 | Mazda | 3 | 2.0L | L4 | N/A | Cover; Includes Thermostat; 160 Degrees Fahrenheit | |
| 2012 | Mazda | MX-5 | 2.0L | L4 | N/A | Cover; Includes Thermostat; 160 Degrees Fahrenheit | |
| 2012 | Mazda | MX-5 Miata | 2.0L | L4 | N/A | Cover; Includes Thermostat; 160 Degrees Fahrenheit | |
| 2011 | Mazda | 3 | 2.0L | L4 | N/A | Cover; Includes Thermostat; 160 Degrees Fahrenheit | |
| 2011 | Mazda | 3 Sport | 2.0L | L4 | N/A | Cover; Includes Thermostat; 160 Degrees Fahrenheit | |
| 2011 | Mazda | MX-5 | 2.0L | L4 | N/A | Cover; Includes Thermostat; 160 Degrees Fahrenheit | |
| 2011 | Mazda | MX-5 Miata | 2.0L | L4 | N/A | Cover; Includes Thermostat; 160 Degrees Fahrenheit | |
| 2010 | Mazda | 3 | 2.0L | L4 | N/A | Cover; Includes Thermostat; 160 Degrees Fahrenheit | |
| 2010 | Mazda | 3 Sport | 2.0L | L4 | N/A | Cover; Includes Thermostat; 160 Degrees Fahrenheit | |
| 2010 | Mazda | 5 | 2.3L | L4 | N/A | Cover; Includes Thermostat; 160 Degrees Fahrenheit | |
| 2010 | Mazda | MX-5 | 2.0L | L4 | N/A | Cover; Includes Thermostat; 160 Degrees Fahrenheit | |
| 2010 | Mazda | MX-5 Miata | 2.0L | L4 | N/A | Cover; Includes Thermostat; 160 Degrees Fahrenheit | |
| 2009 | Mazda | 3 | 2.0L | L4 | N/A | Cover; Includes Thermostat; 160 Degrees Fahrenheit | |
| 2009 | Mazda | 3 | 2.3L | L4 | N/A | Cover; Includes Thermostat; 160 Degrees Fahrenheit | |
| 2009 | Mazda | 3 Sport | 2.0L | L4 | N/A | Cover; Includes Thermostat; 160 Degrees Fahrenheit | |
| 2009 | Mazda | 5 | 2.3L | L4 | N/A | Cover; Includes Thermostat; 160 Degrees Fahrenheit | |
| 2009 | Mazda | MX-5 | 2.0L | L4 | N/A | Cover; Includes Thermostat; 160 Degrees Fahrenheit | |
| 2009 | Mazda | MX-5 Miata | 2.0L | L4 | N/A | Cover; Includes Thermostat; 160 Degrees Fahrenheit | |
| 2008 | Ford | Fiesta | ST | 2.0L | L4 | N/A | Cover; Includes Thermostat; 160 Degrees Fahrenheit |
| 2008 | Mazda | 3 | 2.0L | L4 | N/A | Cover; Includes Thermostat; 160 Degrees Fahrenheit | |
| 2008 | Mazda | 3 | 2.3L | L4 | N/A | Cover; Includes Thermostat; 160 Degrees Fahrenheit | |
| 2008 | Mazda | 5 | 2.3L | L4 | N/A | Cover; Includes Thermostat; 160 Degrees Fahrenheit | |
| 2008 | Mazda | MX-5 | 2.0L | L4 | N/A | Cover; Includes Thermostat; 160 Degrees Fahrenheit | |
| 2008 | Mazda | MX-5 Miata | 2.0L | L4 | N/A | Cover; Includes Thermostat; 160 Degrees Fahrenheit | |
| 2007 | Mazda | 3 | 2.0L | L4 | N/A | Cover; Includes Thermostat; 160 Degrees Fahrenheit | |
| 2007 | Mazda | 3 | 2.3L | L4 | N/A | Cover; Includes Thermostat; 160 Degrees Fahrenheit | |
| 2007 | Mazda | 5 | 2.3L | L4 | N/A | Cover; Includes Thermostat; 160 Degrees Fahrenheit | |
| 2007 | Mazda | MX-5 | 2.0L | L4 | N/A | Cover; Includes Thermostat; 160 Degrees Fahrenheit | |
| 2007 | Mazda | MX-5 Miata | 2.0L | L4 | N/A | Cover; Includes Thermostat; 160 Degrees Fahrenheit | |
| 2006 | Mazda | 3 | 2.0L | L4 | N/A | Cover; Includes Thermostat; 160 Degrees Fahrenheit | |
| 2006 | Mazda | 3 | 2.3L | L4 | N/A | Cover; Includes Thermostat; 160 Degrees Fahrenheit | |
| 2006 | Mazda | 5 | 2.3L | L4 | N/A | Cover; Includes Thermostat; 160 Degrees Fahrenheit | |
| 2005 | Mazda | 3 | 2.0L | L4 | N/A | Cover; Includes Thermostat; 160 Degrees Fahrenheit | |
| 2005 | Mazda | 3 | 2.3L | L4 | N/A | Cover; Includes Thermostat; 160 Degrees Fahrenheit | |
| 2004 | Mazda | 3 | 2.0L | L4 | N/A | Cover; Includes Thermostat; 160 Degrees Fahrenheit | |
| 2004 | Mazda | 3 | 2.3L | L4 | N/A | Cover; Includes Thermostat; 160 Degrees Fahrenheit |
* 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.