Motorad
Thermostat Assembly

Motorad TA2858 Engine Coolant Thermostat Housing Assembly

Brand Motorad TA2858
Bleeder Hole Yes
Color Black
Gasket Or Seal Included Yes
Inside Diameter 0.33
Material Plastic, Stainless Steel, Copper
Mounting Hole Quantity 2
Outlet Port Quantity 6
Temperature 180 Deg. F
Thermostat Temp (F) 180
Product line Thermostat Assembly
Fits Ford and Mercury · 9 vehicles

OE supplier quality. Made with OEM-quality materials and processes for dependable cooling performance.

Rapid temperature response. Copper case and wax compound react quickly to coolant temperature changes.

OEM-style seals included. Includes seals where applicable for a cleaner, more complete assembly.

Cross-references Delphi TA2858, Dorman - Conduct-Tite 85915 and Dorman - OE Solutions 902-858 for the same application. See all 10.

$76.03Free shipping
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Order total $76.03
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Free returns within 60 days if it doesn't fit when fitment is verified.

Thermostat Housing Assembly for OE-Style Cooling Control

The Motorad TA2858 thermostat housing assembly is built for precise coolant temperature control in demanding cooling systems. It combines OEM-quality materials with an OE-supplier manufacturing approach to support reliable operation in Ford Five Hundred, Ford Freestyle, and Mercury Montego applications.

With a 180°F thermostat rating, this assembly is suited for drivers searching for a 180 degree thermostat housing assembly for 2005-2007 Ford Five Hundred, 2005-2007 Ford Freestyle, or 2005-2007 Mercury Montego. The Motorad thermostat assembly TA2858 also includes an air relief valve and OEM-style seals where applicable.

Key Features

  • Engine coolant thermostat housing assembly with OE-style fit and function
  • 180°F thermostat temperature for specified factory cooling performance
  • Plastic, stainless steel, and copper construction
  • Copper case and wax compound for quick response to coolant temperature changes
  • Offset design with bleeder hole for air management
  • Gasket or seal included
  • Black finish
  • Two mounting holes and six outlet ports

Product Details

Motorad Thermostat Assembly TA2858 is engineered to meet OEM specifications and processes, using materials selected for durability in automotive cooling systems. The copper case and wax compound help the thermostat react quickly as coolant temperature changes, while the offset design and bleeder hole support proper system service and air relief. This thermostat housing assembly is a direct-fit style solution for 2005-2007 Ford Five Hundred, Ford Freestyle, and Mercury Montego models specified with a 180°F thermostat.

This part cross-references Dorman - OE Solutions 902-858 for the same application.

Common Cooling System Issues It Can Address

  • Engine running cooler or warmer than the specified thermostat temperature
  • Coolant temperature instability during normal driving
  • Leaks at the thermostat housing or seal area
  • Air trapped in the cooling system after service
  • Housing wear or deterioration from age and heat cycling

Installation Notes and Tips

Verify the engine application and thermostat temperature before installation. Fits 2005-2007 Ford Five Hundred, N/A; Fits 2005-2007 Ford Freestyle, N/A; Fits 2005-2007 Mercury Montego, N/A. Inspect the mating surfaces, coolant passages, and sealing areas before assembly, and confirm the bleeder hole and air relief features are oriented correctly during installation. Always refill and bleed the cooling system according to the vehicle service procedure.

Quality Assurance

Motorad manufactures this thermostat housing assembly with OEM-quality materials and safety standards as an OE supplier. The TA2858 is produced to OEM specifications and processes for consistent cooling-system performance in the listed Ford and Mercury applications.

This part fits 9 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2007FordFive Hundred3.0LV6N/ATemperature 180F; Includes upper & lower housing, thermostat and seal; OE Specified Temperature; Thermostat Assembly
2007FordFreestyle3.0LV6N/ATemperature 180F; Includes upper & lower housing, thermostat and seal; OE Specified Temperature; Thermostat Assembly
2007MercuryMontego3.0LV6N/ATemperature 180F; Includes upper & lower housing, thermostat and seal; OE Specified Temperature; Thermostat Assembly
2006FordFive Hundred3.0LV6N/ATemperature 180F; Includes upper & lower housing, thermostat and seal; OE Specified Temperature; Thermostat Assembly
2006FordFreestyle3.0LV6N/ATemperature 180F; Includes upper & lower housing, thermostat and seal; OE Specified Temperature; Thermostat Assembly
2006MercuryMontego3.0LV6N/ATemperature 180F; Includes upper & lower housing, thermostat and seal; OE Specified Temperature; Thermostat Assembly
2005FordFive Hundred3.0LV6N/ATemperature 180F; Includes upper & lower housing, thermostat and seal; OE Specified Temperature; Thermostat Assembly
2005FordFreestyle3.0LV6N/ATemperature 180F; Includes upper & lower housing, thermostat and seal; OE Specified Temperature; Thermostat Assembly
2005MercuryMontego3.0LV6N/ATemperature 180F; Includes upper & lower housing, thermostat and seal; OE Specified Temperature; Thermostat Assembly
Directly replaces or cross-references 10 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Delphi — TA2858Dorman - Conduct-Tite — 85915Dorman - OE Solutions — 902-858Gates — CO348985F9Z8592BA5F9Z18599BA9TA28588582ATNITA2858DL