HomeBelts and Cooling > Thermostat and HousingDorman 902-1023 Engine Coolant Thermostat Housing
Part #: 902-1023

Dorman 902-1023 Engine Coolant Thermostat Housing

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⚙️ 27 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Ford and Mazda, Escape, Focus, and Tribute
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Overview of Dorman Engine Coolant Thermostat Housing 902-1023

The Dorman 902-1023 engine coolant thermostat housing is designed for reliable cooling system performance in select Ford and Mazda vehicles. This thermostat housing is engineered to meet the specific requirements of models like the Ford Escape, Ford Focus, and Mazda Tribute, ensuring proper fit and function.

  • Constructed from durable black plastic material
  • Includes a gasket for a secure seal
  • Outlet port diameter of 1.25 inches for optimal coolant flow
  • Two mounting holes with 0.313 inch diameter for secure installation
  • 90-degree housing neck angle to match OEM specifications
  • Thermostat not included, housing only
  • No bolts included, O-rings not required

Detailed Product Description

The Dorman 902-1023 thermostat housing is manufactured from high-quality plastic, providing resistance to corrosion and heat commonly found in engine cooling systems. Its black finish complements the engine bay while maintaining durability. The housing features a 1.25-inch outlet port diameter and a 90-degree neck angle, designed to align precisely with the cooling system hoses on Ford Escape, Ford Focus, and Mazda Tribute models. The included gasket ensures a tight seal to prevent coolant leaks, while the two mounting holes with a diameter of 0.313 inches allow for secure attachment to the engine block. This part does not include the thermostat or mounting bolts, allowing for flexibility if reusing existing hardware.

Compatible Vehicles and Applications

This engine coolant thermostat housing is compatible with the following vehicles:

  • Ford Escape
  • Ford Focus
  • Mazda Tribute

It is designed to replace the original thermostat housing in these models, helping maintain proper engine temperature regulation and preventing overheating.

Common Issues Addressed by This Thermostat Housing

  • Coolant leaks caused by cracked or damaged thermostat housing
  • Overheating due to improper coolant flow
  • Warped or deteriorated housing affecting seal integrity
  • Replacement of worn or brittle plastic housings
  • Maintaining proper engine temperature control in Ford Escape, Focus, and Mazda Tribute

Installation Notes and Tips

  • Ensure the engine is cool before beginning installation to avoid burns
  • Use the included gasket to prevent coolant leaks; do not reuse old gaskets
  • Check mounting holes and hardware compatibility; bolts are not included
  • Inspect surrounding hoses and connections for wear or damage during installation
  • Verify the 90-degree neck angle aligns with your vehicle’s cooling system layout

Quality Assurance and Warranty

Dorman parts are engineered to meet or exceed OEM standards for fit, form, and function. The 902-1023 thermostat housing undergoes rigorous quality control to ensure durability and performance. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship. Refer to Dorman’s official warranty policy for complete information.

BrandDorman
Part Number902-1023
Air Vent (Bleeder Valve)No
Bolts IncludedNo
ColorBlack
Gasket Or Seal IncludedYes
Housing Neck Angle (┬░)90
MaterialPlastic
Mounting Hole Diameter0.313
Mounting Hole Quantity2
O Rings IncludedNot Required
Outlet Port Diameter1.25
Package ContentsThermostat Housing with Gasket
Thermostat IncludedNo

This part fits 27 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
2004FordEscape2.0LL4N/AEngine coolant thermostat housing for cooling system.
2004FordFocus2.0LL4N/Awo/Temperature Sensor; Cover
2004FordFocusLX2.0LL4N/Awo/Temperature Sensor; Cover
2004FordFocusMid2.0LL4N/Awo/Temperature Sensor; Cover
2004FordFocusHigh2.0LL4N/Awo/Temperature Sensor; Cover
2004FordFocusSE2.0LL4N/Awo/Temperature Sensor; Cover
2004MazdaTribute2.0LL4N/AEngine coolant thermostat housing for cooling system.
2003FordEscape2.0LL4N/AEngine coolant thermostat housing for cooling system.
2003FordFocus2.0LL4N/Awo/Temperature Sensor; Cover
2003FordFocusLX2.0LL4N/Awo/Temperature Sensor; Cover
2003FordFocusMid2.0LL4N/Awo/Temperature Sensor; Cover
2003FordFocusHigh2.0LL4N/Awo/Temperature Sensor; Cover
2003FordFocusSE2.0LL4N/Awo/Temperature Sensor; Cover
2003FordFocusZTS2.0LL4N/Awo/Temperature Sensor; Cover
2003MazdaTribute2.0LL4N/AEngine coolant thermostat housing for cooling system.
2002FordEscape2.0LL4N/AEngine coolant thermostat housing for cooling system.
2002FordFocus2.0LL4N/Awo/Temperature Sensor; Cover
2002FordFocusLX2.0LL4N/Awo/Temperature Sensor; Cover
2002FordFocusBase2.0LL4N/Awo/Temperature Sensor; Cover
2002FordFocusManual2.0LL4N/Awo/Temperature Sensor; Cover
2002FordFocusSE2.0LL4N/Awo/Temperature Sensor; Cover
2002FordFocusZTS2.0LL4N/Awo/Temperature Sensor; Cover
2002MazdaTribute2.0LL4N/AEngine coolant thermostat housing for cooling system.
2001FordEscape2.0LL4N/AEngine coolant thermostat housing for cooling system.
2001FordFocus2.0LL4N/Awo/Temperature Sensor; Cover
2001MazdaTribute2.0LL4N/AEngine coolant thermostat housing for cooling system.
2000FordFocus2.0LL4N/Awo/Temperature Sensor; From 12/01/99; 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:

7273728081563885283CH2200CO34746F8RZ8575CAKGT-7280TFW505976S303

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