HomeBelts and Cooling > Thermostat and HousingSKP SK902778 Engine Coolant Thermostat Housing - Inner or Lower
Part #: SK902778

SKP SK902778 Engine Coolant Thermostat Housing - Inner or Lower

Lower and Inner
34 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Ford, Lincoln, Mazda, and Mercury, 6, Escape, Fusion, Mariner, Milan, MPV, Tribute, and Zephyr
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Engine Coolant Thermostat Housing for OE-Style Cooling Repair

SKP SK902778 is an engine coolant thermostat housing made from Plastic - PA66-GF30 for dependable cooling system service. It is a direct-fit replacement for select Ford, Mazda, Mercury, and Lincoln applications, including Ford Fusion, Mazda 6, and Ford Escape lower thermostat housing locations.

Key Features

  • Engine coolant thermostat housing for cooling system repair
  • Constructed from Plastic - PA66-GF30 for strength and heat resistance
  • Fits inner and lower thermostat housing applications, depending on vehicle
  • OE-style replacement for common cooling system service needs
  • SK902778 cross-references Dorman OE Solutions 902-778 for the same application

Detailed Description

This SKP thermostat housing is built for vehicles that use a lower or inner coolant thermostat housing assembly, including 2006-2009 Ford Fusion, 2006-2009 Mercury Milan, 2005-2008 Ford Escape, 2003-2008 Mazda 6, 2005-2008 Mercury Mariner, 2006 Lincoln Zephyr, 2002-2006 Mazda MPV, and select Mazda Tribute models. The PA66-GF30 plastic construction is suited for cooling system environments where heat and coolant exposure are constant. SK902778 is also referenced by Dorman OE Solutions 902-778 and other listed interchange numbers.

What It Helps Fix

  • Coolant leaks at the thermostat housing
  • Cracked or warped plastic housing surfaces
  • Overheating caused by housing failure
  • Loss of coolant pressure in the thermostat area
  • Service issues on Ford Fusion, Mazda 6, and Ford Escape cooling systems

Installation Notes and Tips

Verify the thermostat housing position before installation, since fitment includes inner and lower applications. Confirm the vehicle year, make, and model against the listed fitment for SK902778, and inspect the mating surfaces, thermostat, and seals during service. Proper cooling system bleeding and refill procedures should be followed after installation.

Quality Assurance

SKP manufactures this thermostat housing as an OE-style replacement part for the listed applications. The PA66-GF30 material selection supports consistent fit and function in cooling system service.

BrandSKP
Part NumberSK902778
MaterialPlastic - pa66-gf30

This part fits 34 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2011MazdaTribute3.0LV6InnerHousing
2010MazdaTribute3.0LV6InnerHousing
2009FordFusion3.0LV6Lower
2009MazdaTribute3.0LV6InnerHousing
2009MercuryMilan3.0LV6Lower
2008FordEscape3.0LV6Lower
2008FordFusion3.0LV6Lower
2008Mazda63.0LV6InnerHousing
2008MazdaTribute3.0LV6InnerHousing
2008MercuryMariner3.0LV6Lower
2008MercuryMilan3.0LV6Lower
2007FordEscape3.0LV6Lower
2007FordFusion3.0LV6Lower
2007Mazda63.0LV6InnerHousing
2007MercuryMariner3.0LV6Lower
2007MercuryMilan3.0LV6Lower
2006FordEscape3.0LV6Lower
2006FordFusion3.0LV6Lower
2006LincolnZephyr3.0LV6Lower
2006Mazda63.0LV6InnerHousing
2006MazdaMPV3.0LV6InnerHousing
2006MazdaTribute3.0LV6InnerHousing
2006MercuryMariner3.0LV6Lower
2006MercuryMilan3.0LV6Lower
2005FordEscape3.0LV6Lower
2005Mazda63.0LV6InnerHousing
2005MazdaMPV3.0LV6InnerHousing
2005MazdaTribute3.0LV6InnerHousing
2005MercuryMariner3.0LV6Lower
2004Mazda63.0LV6InnerHousing
2004MazdaMPV3.0LV6InnerHousing
2003Mazda63.0LV6InnerHousing
2003MazdaMPV3.0LV6InnerHousing
2002MazdaMPV3.0LV6InnerHousing

* 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:

2M2Z8592CD2M5Z8592CD902-778902778

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