HomeBelts and Cooling > Thermostat and HousingDorman 902-1125 Engine Coolant Thermostat Housing Assembly
Part #: 902-1125

Dorman 902-1125 Engine Coolant Thermostat Housing Assembly

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⚙️ 80 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Ford, Lincoln, and Mazda, Focus, Special Service Police Sedan, EcoSport, Taurus, Escape, Fusion, MKC, MKT, MKZ, Explorer, MX-5, MX-5 Miata, 3, 3 Sport, 5, and Fiesta
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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.

BrandDorman
Part Number902-1125
Bleeder HoleNo
Bolt Hole Center To Bolt Hole Center3
ColorBlack
Flange Length3.7
Flange Thickness0.45
Flange Width3.11
Gasket Or Seal IncludedYes
Gasket TypeGasket
Grade TypeRegular
Inside Diameter1.1
MaterialPlastic
Mounting Hardware IncludedNo
Mounting Hole Quantity3
Outlet Port Quantity2
Package Contents1 Thermostat Housing; 1 Thermostat; 1 Gasket
Thermostat IncludedYes
Thermostat Opening Temperature160 Deg. F

This part fits 80 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
2018FordFocus2.0LL4N/ACover; Includes Thermostat; 160 Degrees Fahrenheit
2017FordEcoSport2.0LL4N/ABuilt in Brazil; Cover; Includes Thermostat; 160 Degrees Fahrenheit
2017FordFocus2.0LL4N/ACover; Includes Thermostat; 160 Degrees Fahrenheit
2017FordTaurus2.0LL4N/ACover; Includes Thermostat; 160 Degrees Fahrenheit
2016FordEcoSport2.0LL4N/ABuilt in Brazil; Cover; Includes Thermostat; 160 Degrees Fahrenheit
2016FordEscape2.0LL4N/ACover; Includes Thermostat; 160 Degrees Fahrenheit
2016FordFocus2.0LL4N/ACover; Includes Thermostat; 160 Degrees Fahrenheit
2016FordFusion2.0LL4N/ACover; Includes Thermostat; 160 Degrees Fahrenheit
2016FordTaurus2.0LL4N/ACover; Includes Thermostat; 160 Degrees Fahrenheit
2016LincolnMKC2.0LL4N/ACover; Includes Thermostat; 160 Degrees Fahrenheit
2016LincolnMKT2.0LL4N/ACover; Includes Thermostat; 160 Degrees Fahrenheit
2016LincolnMKZ2.0LL4N/ACover; Includes Thermostat; 160 Degrees Fahrenheit
2015FordEcoSport2.0LL4N/ABuilt in Brazil; Cover; Includes Thermostat; 160 Degrees Fahrenheit
2015FordEscape2.0LL4N/ACover; Includes Thermostat; 160 Degrees Fahrenheit
2015FordExplorer2.0LL4N/ACover; Includes Thermostat; 160 Degrees Fahrenheit
2015FordFocus2.0LL4N/ACover; Includes Thermostat; 160 Degrees Fahrenheit
2015FordFusion2.0LL4N/ACover; Includes Thermostat; 160 Degrees Fahrenheit
2015FordTaurus2.0LL4N/ACover; Includes Thermostat; 160 Degrees Fahrenheit
2015LincolnMKC2.0LL4N/ACover; Includes Thermostat; 160 Degrees Fahrenheit
2015LincolnMKT2.0LL4N/ACover; Includes Thermostat; 160 Degrees Fahrenheit
2015LincolnMKZ2.0LL4N/ACover; Includes Thermostat; 160 Degrees Fahrenheit
2015MazdaMX-52.0LL4N/ACover; Includes Thermostat; 160 Degrees Fahrenheit
2015MazdaMX-5 Miata2.0LL4N/ACover; Includes Thermostat; 160 Degrees Fahrenheit
2014FordEcoSport2.0LL4N/ABuilt in Brazil; Cover; Includes Thermostat; 160 Degrees Fahrenheit
2014FordEscape2.0LL4N/ACover; Includes Thermostat; 160 Degrees Fahrenheit
2014FordExplorer2.0LL4N/ACover; Includes Thermostat; 160 Degrees Fahrenheit
2014FordFocus2.0LL4N/ACover; Includes Thermostat; 160 Degrees Fahrenheit
2014FordFusion2.0LL4N/ACover; Includes Thermostat; 160 Degrees Fahrenheit
2014FordTaurus2.0LL4N/ACover; Includes Thermostat; 160 Degrees Fahrenheit
2014LincolnMKT2.0LL4N/ACover; Includes Thermostat; 160 Degrees Fahrenheit
2014LincolnMKZ2.0LL4N/ACover; Includes Thermostat; 160 Degrees Fahrenheit
2014MazdaMX-52.0LL4N/ACover; Includes Thermostat; 160 Degrees Fahrenheit
2014MazdaMX-5 Miata2.0LL4N/ACover; Includes Thermostat; 160 Degrees Fahrenheit
2013FordEcoSport2.0LL4N/ACover; Includes Thermostat; 160 Degrees Fahrenheit
2013FordEscape2.0LL4N/ACover; Includes Thermostat; 160 Degrees Fahrenheit
2013FordExplorer2.0LL4N/ACover; Includes Thermostat; 160 Degrees Fahrenheit; From 9/04/12
2013FordFocus2.0LL4N/ACover; Includes Thermostat; 160 Degrees Fahrenheit
2013FordFusion2.0LL4N/ACover; Includes Thermostat; 160 Degrees Fahrenheit
2013FordTaurus2.0LL4N/ACover; Includes Thermostat; 160 Degrees Fahrenheit
2013LincolnMKT2.0LL4N/ACover; Includes Thermostat; 160 Degrees Fahrenheit
2013LincolnMKZ2.0LL4N/ACover; Includes Thermostat; 160 Degrees Fahrenheit
2013Mazda32.0LL4N/ACover; Includes Thermostat; 160 Degrees Fahrenheit
2013MazdaMX-52.0LL4N/ACover; Includes Thermostat; 160 Degrees Fahrenheit
2013MazdaMX-5 Miata2.0LL4N/ACover; Includes Thermostat; 160 Degrees Fahrenheit
2012Mazda32.0LL4N/ACover; Includes Thermostat; 160 Degrees Fahrenheit
2012MazdaMX-52.0LL4N/ACover; Includes Thermostat; 160 Degrees Fahrenheit
2012MazdaMX-5 Miata2.0LL4N/ACover; Includes Thermostat; 160 Degrees Fahrenheit
2011Mazda32.0LL4N/ACover; Includes Thermostat; 160 Degrees Fahrenheit
2011Mazda3 Sport2.0LL4N/ACover; Includes Thermostat; 160 Degrees Fahrenheit
2011MazdaMX-52.0LL4N/ACover; Includes Thermostat; 160 Degrees Fahrenheit
2011MazdaMX-5 Miata2.0LL4N/ACover; Includes Thermostat; 160 Degrees Fahrenheit
2010Mazda32.0LL4N/ACover; Includes Thermostat; 160 Degrees Fahrenheit
2010Mazda3 Sport2.0LL4N/ACover; Includes Thermostat; 160 Degrees Fahrenheit
2010Mazda52.3LL4N/ACover; Includes Thermostat; 160 Degrees Fahrenheit
2010MazdaMX-52.0LL4N/ACover; Includes Thermostat; 160 Degrees Fahrenheit
2010MazdaMX-5 Miata2.0LL4N/ACover; Includes Thermostat; 160 Degrees Fahrenheit
2009Mazda32.0LL4N/ACover; Includes Thermostat; 160 Degrees Fahrenheit
2009Mazda32.3LL4N/ACover; Includes Thermostat; 160 Degrees Fahrenheit
2009Mazda3 Sport2.0LL4N/ACover; Includes Thermostat; 160 Degrees Fahrenheit
2009Mazda52.3LL4N/ACover; Includes Thermostat; 160 Degrees Fahrenheit
2009MazdaMX-52.0LL4N/ACover; Includes Thermostat; 160 Degrees Fahrenheit
2009MazdaMX-5 Miata2.0LL4N/ACover; Includes Thermostat; 160 Degrees Fahrenheit
2008FordFiestaST2.0LL4N/ACover; Includes Thermostat; 160 Degrees Fahrenheit
2008Mazda32.0LL4N/ACover; Includes Thermostat; 160 Degrees Fahrenheit
2008Mazda32.3LL4N/ACover; Includes Thermostat; 160 Degrees Fahrenheit
2008Mazda52.3LL4N/ACover; Includes Thermostat; 160 Degrees Fahrenheit
2008MazdaMX-52.0LL4N/ACover; Includes Thermostat; 160 Degrees Fahrenheit
2008MazdaMX-5 Miata2.0LL4N/ACover; Includes Thermostat; 160 Degrees Fahrenheit
2007Mazda32.0LL4N/ACover; Includes Thermostat; 160 Degrees Fahrenheit
2007Mazda32.3LL4N/ACover; Includes Thermostat; 160 Degrees Fahrenheit
2007Mazda52.3LL4N/ACover; Includes Thermostat; 160 Degrees Fahrenheit
2007MazdaMX-52.0LL4N/ACover; Includes Thermostat; 160 Degrees Fahrenheit
2007MazdaMX-5 Miata2.0LL4N/ACover; Includes Thermostat; 160 Degrees Fahrenheit
2006Mazda32.0LL4N/ACover; Includes Thermostat; 160 Degrees Fahrenheit
2006Mazda32.3LL4N/ACover; Includes Thermostat; 160 Degrees Fahrenheit
2006Mazda52.3LL4N/ACover; Includes Thermostat; 160 Degrees Fahrenheit
2005Mazda32.0LL4N/ACover; Includes Thermostat; 160 Degrees Fahrenheit
2005Mazda32.3LL4N/ACover; Includes Thermostat; 160 Degrees Fahrenheit
2004Mazda32.0LL4N/ACover; Includes Thermostat; 160 Degrees Fahrenheit
2004Mazda32.3LL4N/ACover; 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:

CJ5Z8575A

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.