HomeBelts and Cooling > Thermostat and HousingDorman 902-1078 Engine Coolant Thermostat Housing
Part #: 902-1078

Dorman 902-1078 Engine Coolant Thermostat Housing

⚙️ 44 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 Lincoln, Explorer, Flex, MKS, MKT, and Taurus
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Reliable Engine Coolant Thermostat Housing for Ford and Lincoln Vehicles

The Dorman 902-1078 engine coolant thermostat housing is designed to provide a durable and precise fit for select Ford and Lincoln models. Crafted from aluminum with a natural finish, this thermostat housing ensures efficient heat dissipation and long-lasting performance in your vehicle's cooling system.

  • Constructed from lightweight, corrosion-resistant aluminum
  • Natural color finish for corrosion protection and durability
  • Outlet port diameter: 1.75 inches for optimal coolant flow
  • Inlet port diameter: 1.24 inches to match OEM specifications
  • Height of 2.81 inches for proper fitment
  • Two mounting holes with 0.27-inch diameter and 2.47-inch center-to-center spacing
  • Flange thickness of 0.27 inches for secure sealing
  • Includes one thermostat housing; thermostat and seals not included

Detailed Product Description

This Dorman engine coolant thermostat housing (part number 902-1078) is engineered to meet the exact specifications required for Ford Explorer, Flex, Lincoln MKS, MKT, and Taurus models. The aluminum construction offers excellent resistance to heat and corrosion, helping maintain the integrity of your vehicle’s cooling system. The housing features precise inlet and outlet port diameters (1.24 inches and 1.75 inches respectively) to ensure proper coolant flow and system efficiency. With two mounting holes spaced 2.47 inches apart, it provides a secure and stable installation. Note that this housing does not include a thermostat, gasket, O-rings, or bolts, so these components must be sourced separately.

Common Applications and Issues Addressed

  • Replacement for cracked or leaking thermostat housing
  • Restores proper coolant flow and engine temperature regulation
  • Prevents coolant leaks that can lead to engine overheating
  • Addresses corrosion damage in original housing components
  • Ensures compatibility with Ford Explorer, Flex, Lincoln MKS, MKT, and Taurus cooling systems

Installation Notes and Tips

When installing the Dorman 902-1078 thermostat housing, ensure the mating surfaces are clean and free of old gasket material. Since this housing does not include a gasket or O-rings, use OEM or high-quality aftermarket seals to prevent leaks. Torque mounting bolts to manufacturer specifications to avoid warping the aluminum flange. Verify that the thermostat is installed separately and correctly to maintain proper engine temperature control.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 902-1078 thermostat housing undergoes rigorous quality checks to ensure durability and reliable performance in Ford and Lincoln vehicles. Please refer to Dorman’s warranty policy for specific coverage details.

BrandDorman
Part Number902-1078
MaterialAluminum
ColorNatural
Outlet Port Diameter1.75
Height2.81
Gasket Or Seal IncludedNo
Mounting Hole Quantity2
Bolt Hole Center To Bolt Hole Center2.47
Inlet Port Diameter1.24
Flange Thickness0.27
Mounting Hole Diameter0.27
Air Vent (Bleeder Valve)No
Bolts IncludedNo
O Rings IncludedNo
Package Contents1 thermostat housing
Thermostat IncludedNo

This part fits 44 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2019FordExplorer3.5LV6N/AEngine coolant thermostat housing for cooling system.
2019FordFlex3.5LV6N/AEngine coolant thermostat housing for cooling system.
2019FordTaurus3.5LV6N/AEngine coolant thermostat housing for cooling system.
2019LincolnMKT3.5LV6N/AEngine coolant thermostat housing for cooling system.
2018FordExplorer3.5LV6N/AEngine coolant thermostat housing for cooling system.
2018FordFlex3.5LV6N/AEngine coolant thermostat housing for cooling system.
2018FordTaurus3.5LV6N/AEngine coolant thermostat housing for cooling system.
2018LincolnMKT3.5LV6N/AEngine coolant thermostat housing for cooling system.
2017FordExplorer3.5LV6N/AEngine coolant thermostat housing for cooling system.
2017FordFlex3.5LV6N/AEngine coolant thermostat housing for cooling system.
2017FordTaurus3.5LV6N/AEngine coolant thermostat housing for cooling system.
2017LincolnMKT3.5LV6N/AEngine coolant thermostat housing for cooling system.
2016FordExplorer3.5LV6N/AEngine coolant thermostat housing for cooling system.
2016FordFlex3.5LV6N/AEngine coolant thermostat housing for cooling system.
2016FordTaurus3.5LV6N/AEngine coolant thermostat housing for cooling system.
2016LincolnMKS3.5LV6N/AEngine coolant thermostat housing for cooling system.
2016LincolnMKT3.5LV6N/AEngine coolant thermostat housing for cooling system.
2015FordExplorer3.5LV6N/AEngine coolant thermostat housing for cooling system.
2015FordFlex3.5LV6N/AEngine coolant thermostat housing for cooling system.
2015FordTaurus3.5LV6N/AEngine coolant thermostat housing for cooling system.
2015LincolnMKS3.5LV6N/AEngine coolant thermostat housing for cooling system.
2015LincolnMKT3.5LV6N/AEngine coolant thermostat housing for cooling system.
2014FordExplorer3.5LV6N/AEngine coolant thermostat housing for cooling system.
2014FordFlex3.5LV6N/AEngine coolant thermostat housing for cooling system.
2014FordTaurus3.5LV6N/AEngine coolant thermostat housing for cooling system.
2014LincolnMKS3.5LV6N/AEngine coolant thermostat housing for cooling system.
2014LincolnMKT3.5LV6N/AEngine coolant thermostat housing for cooling system.
2013FordExplorer3.5LV6N/AEngine coolant thermostat housing for cooling system.
2013FordFlex3.5LV6N/AEngine coolant thermostat housing for cooling system.
2013FordTaurus3.5LV6N/AEngine coolant thermostat housing for cooling system.
2013LincolnMKS3.5LV6N/AEngine coolant thermostat housing for cooling system.
2013LincolnMKT3.5LV6N/AEngine coolant thermostat housing for cooling system.
2012FordFlex3.5LV6N/AEngine coolant thermostat housing for cooling system.
2012FordTaurus3.5LV6N/AEngine coolant thermostat housing for cooling system.
2012LincolnMKS3.5LV6N/AEngine coolant thermostat housing for cooling system.
2012LincolnMKT3.5LV6N/AEngine coolant thermostat housing for cooling system.
2011FordFlex3.5LV6N/AEngine coolant thermostat housing for cooling system.
2011FordTaurus3.5LV6N/AEngine coolant thermostat housing for cooling system.
2011LincolnMKS3.5LV6N/AEngine coolant thermostat housing for cooling system.
2011LincolnMKT3.5LV6N/AEngine coolant thermostat housing for cooling system.
2010FordFlex3.5LV6N/AEngine coolant thermostat housing for cooling system.
2010FordTaurus3.5LV6N/AEngine coolant thermostat housing for cooling system.
2010LincolnMKS3.5LV6N/AEngine coolant thermostat housing for cooling system.
2010LincolnMKT3.5LV6N/AEngine coolant thermostat housing for cooling system.

* 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:

AA5Z8592ACH6010

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