HomeBelts and Cooling > Thermostat and HousingDorman 902-820 Engine Coolant Thermostat Housing Assembly
Part #: 902-820

Dorman 902-820 Engine Coolant Thermostat Housing Assembly

N/A
⚙️ 14 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$122.68Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Ford and Mazda, Focus, Mondeo, Ranger, B2300, and F-100 Ranger
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Dorman Engine Coolant Thermostat Housing Assembly

The Dorman 902-820 Engine Coolant Thermostat Housing Assembly is designed for reliable cooling system performance in select Ford and Mazda vehicles. This thermostat housing assembly includes a thermostat calibrated to open at 208 degrees Fahrenheit, ensuring proper engine temperature regulation.

  • Constructed from durable black plastic material
  • Includes one thermostat with a 208°F opening temperature
  • Features three mounting holes for secure installation
  • Flange dimensions: 3.25 inches length, 2.67 inches width, 0.46 inches thickness
  • One outlet port for coolant flow
  • Compatible with Ford B2300, F-100 Ranger, Focus, and Ranger models

Detailed Product Description

The Dorman 902-820 thermostat housing assembly is engineered to maintain optimal engine temperature by housing a thermostat that opens at 208 degrees Fahrenheit. Made from black plastic, this assembly offers corrosion resistance and a lightweight design. The housing features three mounting holes with precise bolt hole center measurements (1.95 in, 1.88 in, and 2.92 in) to ensure a proper fit on compatible vehicles. The flange dimensions provide a secure seal when installed with the appropriate gasket (not included). This assembly includes one outlet port and does not have a bleeder hole. The inside diameters of 1.11 inches and 0.567 inches accommodate coolant flow effectively within the cooling system.

Compatible Vehicles and Applications

This thermostat housing assembly is compatible with various Ford and Mazda models, including:

  • Ford B2300
  • Ford F-100 Ranger
  • Ford Focus
  • Ford Ranger

Use this part number 902-820 when searching for a replacement thermostat housing assembly for these vehicles to ensure compatibility and proper fitment.

Common Issues Addressed by This Thermostat Housing Assembly

  • Engine overheating due to thermostat failure
  • Coolant leaks from cracked or damaged housing
  • Inconsistent engine temperature regulation
  • Corrosion or wear in original thermostat housing
  • Replacement of faulty thermostat and housing in one unit

Installation Notes and Tips

  • Ensure the engine is cool before beginning installation
  • Use a compatible gasket (not included) to prevent coolant leaks
  • Verify mounting hole alignment with vehicle specifications
  • Tighten mounting bolts evenly to avoid warping the housing
  • Check coolant levels and system pressure after installation

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 902-820 thermostat housing assembly undergoes quality inspections to ensure durability and performance. While specific warranty details are not provided here, Dorman typically offers limited warranties on their replacement parts. Consult the product packaging or Dorman’s official resources for exact warranty information.

BrandDorman
Part Number902-820
Bleeder HoleNo
Bolt Hole Center To Bolt Hole Center1.95 in; 1.88 in; 2.92 in
ColorBlack
Flange Length3.25
Flange Thickness0.46
Flange Width2.67
Gasket Or Seal IncludedNo
Gasket TypeGasket
Grade TypeRegular
Inside Diameter1.11 in; 0.567 in
MaterialPlastic
Mounting Hardware IncludedNo
Mounting Hole Quantity3
Outlet Port Quantity1
Package Contents1 Thermostat Housing
Thermostat IncludedYes
Thermostat Opening Temperature208 Deg. F.

This part fits 14 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2011FordFocus2.0LL4N/Aw/Sensor; Includes Thermostat
2010FordFocus2.0LL4N/Aw/Sensor; Includes Thermostat
2009FordFocus2.0LL4N/Aw/Sensor; Includes Thermostat
2008FordFocus2.0LL4N/Aw/Sensor; Includes Thermostat
2007FordFocus2.0LL4N/Aw/Sensor; Includes Thermostat
2006FordFocus2.0LL4N/Aw/Sensor; Includes Thermostat
2005FordFocus2.0LL4N/Aw/Sensor; Includes Thermostat
2003FordRanger2.3LL4N/Aw/Sensor; Includes Thermostat
2003MazdaB23002.3LL4N/ACover; w/Sensor; Includes Thermostat
2002FordRanger2.3LL4N/Aw/Sensor; Includes Thermostat
2002MazdaB23002.3LL4N/ACover; w/Sensor; Includes Thermostat
2001FordF-100 Ranger2.3LL4N/AThermostat housing assembly with included thermostat.
2001FordRanger2.3LL4N/Aw/Sensor; Includes Thermostat
2001MazdaB23002.3LL4N/ACover; w/Sensor; Includes Thermostat

* 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:

143-08873404248672604-20860408728585690KGT-7285-NTSK902820TF285Z63008

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