Mahle C31611 Engine Coolant Thermostat Housing Gasket

Brand Mahle C31611
Gasket Material Molded Rubber
Item Grade OEM Standard
Fits Ford and Mercury · 18 vehicles

OEM standard. Built to match original sealing expectations.

Molded rubber. Provides a flexible, reliable seal.

Thermostat housing gasket. Helps maintain a secure coolant seal.

Cross-references FEL-PRO 35606 and Ford W701379-S300 for the same application. See all 2.

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Mahle C31611 Thermostat Housing Gasket

Mahle C31611 is an OEM-standard engine coolant thermostat housing gasket made from molded rubber for a precise seal between the thermostat housing and cylinder head. It is built for direct replacement service on select Ford and Mercury applications, including Contour, Escort, Focus, Cougar, and Mystique models.

Key Features

  • Molded rubber gasket material for consistent sealing performance
  • OEM standard item grade for service replacement use
  • Engine coolant thermostat housing gasket for housing-to-cylinder head sealing
  • Direct-fit application coverage for select Ford and Mercury vehicles
  • Mahle sealing products are used by OEMs and technicians worldwide

Fitment Details

  • Fits 1995-2000 Ford Contour, housing to cylinder head; molded rubber.
  • Fits 1998-2000 Ford Escort, housing to cylinder head; molded rubber.
  • Fits 2000 Ford Focus, housing to cylinder head; molded rubber.
  • Fits 1999-2000 Mercury Cougar, housing to cylinder head; molded rubber.
  • Fits 1995-2000 Mercury Mystique, housing to cylinder head; molded rubber.

This part cross-references FEL-PRO 35606 and Ford W701379-S300 for the same application. The Mahle C31611 gasket is a practical choice when servicing the thermostat housing on Ford Contour, Ford Escort, Ford Focus, Mercury Cougar, or Mercury Mystique cooling systems.

What It Helps Address

  • Coolant seepage at the thermostat housing joint
  • Loss of seal between the housing and cylinder head
  • Coolant odor or visible residue around the housing area
  • Maintenance replacement during cooling system service
  • Leak repair after thermostat housing removal

Installation Notes

Clean both sealing surfaces before installation and remove all old gasket material, corrosion, and coolant residue. Verify the housing and cylinder head surfaces are flat and undamaged, then install the gasket in the correct orientation for the application. Refill and bleed the cooling system according to the vehicle service procedure after assembly.

Quality Assurance

Mahle supplies sealing products to OEM and technician standards, and this gasket is built to OEM-standard specifications for dependable service replacement.

This part fits 18 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2000FordContour2.0LL4N/AHousing to Cylinder Head; Molded Rubber
2000FordEscort2.0LL4N/AHousing to Cylinder Head; Molded Rubber
2000FordFocus2.0LL4N/AHousing to Cylinder Head; Molded Rubber
2000MercuryCougar2.0LL4N/AHousing to Cylinder Head; Molded Rubber
2000MercuryMystique2.0LL4N/AHousing to Cylinder Head; Molded Rubber
1999FordContour2.0LL4N/AHousing to Cylinder Head; Molded Rubber
1999FordEscort2.0LL4N/AHousing to Cylinder Head; Molded Rubber
1999MercuryCougar2.0LL4N/AHousing to Cylinder Head; Molded Rubber
1999MercuryMystique2.0LL4N/AHousing to Cylinder Head; Molded Rubber
1998FordContour2.0LL4N/AHousing to Cylinder Head; Molded Rubber
1998FordEscort2.0LL4N/AHousing to Cylinder Head; Molded Rubber
1998MercuryMystique2.0LL4N/AHousing to Cylinder Head; Molded Rubber
1997FordContour2.0LL4N/AHousing to Cylinder Head; Molded Rubber
1997MercuryMystique2.0LL4N/AHousing to Cylinder Head; Molded Rubber
1996FordContour2.0LL4N/AHousing to Cylinder Head; Molded Rubber
1996MercuryMystique2.0LL4N/AHousing to Cylinder Head; Molded Rubber
1995FordContour2.0LL4N/AHousing to Cylinder Head; Molded Rubber
1995MercuryMystique2.0LL4N/AHousing to Cylinder Head; Molded Rubber
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
FEL-PRO — 35606Ford — W701379-S300