HomeBelts and Cooling > Thermostat and HousingDorman 902-1998 Engine Coolant Thermostat Housing Assembly
Part #: 902-1998

Dorman 902-1998 Engine Coolant Thermostat Housing Assembly

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⚙️ 24 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, Ranger, B4000, Explorer Sport Trac, and Explorer
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Overview of Dorman Engine Coolant Thermostat Housing Assembly

The Dorman 902-1998 Engine Coolant Thermostat Housing Assembly is designed for reliable cooling system performance in select Ford and Mazda vehicles. This aluminum housing assembly provides a durable and precise fit for models such as the Ford Explorer, Ranger, and Mazda B4000.

  • Constructed from corrosion-resistant aluminum with a silver finish
  • Includes an O-ring type gasket for a secure seal
  • Features three outlet ports and three mounting holes for stable installation
  • Comes with two clamps and one hose for assembly convenience
  • Compatible with Ford Explorer, Explorer Sport Trac, Ranger, and Mazda B4000

Detailed Product Features and Specifications

This thermostat housing assembly is engineered with a 1.35-inch inside diameter and a flange measuring 2.36 inches in length, 2.79 inches in both width and thickness, ensuring a precise fit within the cooling system. The assembly does not include a thermostat but is designed to accommodate a thermostat with a 120-degree opening temperature. The package includes the housing, two clamps, and one hose, but mounting hardware is not included. The gasket type is an O-ring, which helps maintain a tight seal to prevent coolant leaks. The bolt hole center-to-center distance is 2.44 inches, supporting secure mounting on compatible vehicles.

Compatible Vehicles and Applications

This Dorman 902-1998 thermostat housing assembly is compatible with several Ford and Mazda models, specifically the Ford Explorer, Explorer Sport Trac, Ranger, and Mazda B4000. It is suitable for owners seeking a replacement part that matches OEM specifications for these vehicles' cooling systems.

  • Replaces worn or cracked thermostat housing
  • Prevents coolant leaks and overheating issues
  • Restores proper coolant flow and engine temperature regulation
  • Addresses flange or gasket seal failures
  • Supports maintenance of the vehicle’s cooling system integrity

Installation Notes and Tips

When installing the Dorman 902-1998 thermostat housing assembly, ensure the mating surfaces are clean and free of debris to achieve a proper seal with the included O-ring gasket. Since mounting hardware is not included, use the original bolts or appropriate replacements. Verify the thermostat opening temperature matches the vehicle’s specifications, as this assembly does not include a thermostat. Proper torque on mounting bolts is essential to avoid leaks or damage to the housing.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 902-1998 thermostat housing assembly is made from durable aluminum to resist corrosion and wear. This product includes a gasket to ensure a reliable seal. While specific warranty details vary, Dorman typically offers limited warranties covering defects in material and workmanship to provide confidence in product quality.

BrandDorman
Part Number902-1998
Bleeder HoleNo
Bolt Hole Center To Bolt Hole Center2.44
ColorSilver
Flange Length2.36
Flange Thickness2.79
Flange Width2.79
Gasket Or Seal IncludedYes
Gasket TypeO-Ring
Grade TypeRegular
Inside Diameter1.35
MaterialAluminum
Mounting Hardware IncludedNo
Mounting Hole Quantity3
Outlet Port Quantity3
Package Contents1 Thermostat Housing; 2 Clamps; 1 Hose
Thermostat IncludedNo
Thermostat Opening Temperature120 Deg

This part fits 24 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
2011FordRanger4.0LV6N/AMetal Housing Assembly with 1 Clip-In Style Sensor
2010FordRanger4.0LV6N/AMetal Housing Assembly with 1 Clip-In Style Sensor
2010MazdaB40004.0LV6N/AAssembly; Metal Housing
2009FordRanger4.0LV6N/AMetal Housing Assembly with 1 Clip-In Style Sensor
2009MazdaB40004.0LV6N/AAssembly; Metal Housing
2008FordRanger4.0LV6N/AMetal Housing Assembly with 1 Clip-In Style Sensor
2008MazdaB40004.0LV6N/AMetal Housing; Assembly
2007FordRanger4.0LV6N/AMetal Housing Assembly with 1 Clip-In Style Sensor
2007MazdaB40004.0LV6N/AMetal Housing; Assembly
2006FordRanger4.0LV6N/AMetal Housing Assembly with 1 Clip-In Style Sensor
2006MazdaB40004.0LV6N/AMetal Housing; Assembly
2005FordExplorer Sport Trac4.0LV6N/AMetal Housing Assembly with 1 Clip-In Style Sensor
2005FordRanger4.0LV6N/AMetal Housing Assembly with 1 Clip-In Style Sensor
2005MazdaB40004.0LV6N/AMetal Housing; Assembly
2004FordExplorer Sport Trac4.0LV6N/AMetal Housing Assembly with 1 Clip-In Style Sensor
2004FordRanger4.0LV6N/AMetal Housing Assembly with 1 Clip-In Style Sensor
2004MazdaB40004.0LV6N/AMetal Housing; Assembly
2003FordExplorer Sport Trac4.0LV6N/AMetal Housing Assembly with 1 Clip-In Style Sensor
2003MazdaB40004.0LV6N/AMetal Housing; Assembly
2002FordExplorer Sport Trac4.0LV6N/AMetal Housing Assembly with 1 Clip-In Style Sensor
2002MazdaB40004.0LV6N/AMetal Housing; Assembly
2001FordExplorerPostal4.0LV6N/AMetal Housing Assembly with 1 Clip-In Style Sensor
2001FordExplorer Sport Trac4.0LV6N/AMetal housing assembly with 1 clip-in style sensor, suitable for vehicles manufactured from 7/24/00.
2001MazdaB40004.0LV6N/AMetal Housing; Assembly

* 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:

1F74151722L2Z8592BA

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