Mahle GS33948 Engine Coolant Thermostat Housing Gasket
OE Quality 60-Day Returns
Mahle
 Engine Coolant Outlet Gasket

Mahle GS33948 Engine Coolant Thermostat Housing Gasket

Brand Mahle GS33948
Material Molded rubber
Inside Diameter 1.08
Inside Diameter 27.49
Thickness 0.120
Thickness 3.06
Additional Package Contents Contains thermostat housing gaskets
Gasket Material Molded rubber
Item Grade Oem standard
O-Ring Material Molded rubber
O-Ring Type Height - Thickness (in) .120"
O-Ring Type Width - Cross Section (in) 1.08"
Package Quantity 2
Product line Engine Coolant Outlet Gasket
Fits Ford and Lincoln · 19 vehicles

OEM-standard fit. Built for service replacement use with molded rubber sealing material.

Engine coolant sealing. Helps maintain a secure seal at the thermostat housing connection.

Mahle sealing expertise. Trusted by OEMs and technicians for gasket and sealing systems.

Cross-references Ford HL3Z-8507-D and Ford HL3Z-8527-A for the same application. See all 2.

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Not what you need? See all Engine Coolant Thermostat Housing Gasket options

Engine Coolant Outlet Gasket Overview

Mahle GS33948 is an OEM-standard engine coolant thermostat housing gasket made from molded rubber for a reliable seal at the coolant outlet. It is listed for Ford Expedition, Ford F-150, and Lincoln Navigator applications with thermostat housing gasket set notes.

Key Features

  • Molded rubber construction for consistent sealing performance.
  • OEM-standard item grade for service replacement use.
  • Engine coolant outlet gasket / thermostat housing gasket application.
  • Additional package contents note thermostat housing gaskets.
  • Part number GS33948 for accurate ordering and catalog matching.

Fitment Details

  • Fits 2021-2023 Ford Expedition, N/A, thermostat housing inner gasket set; engine coolant outlet gasket.
  • Fits 2021-2023 Ford F-150, N/A, thermostat housing inner gasket set; engine coolant outlet gasket.
  • Fits 2021-2023 Lincoln Navigator, N/A, thermostat housing inner gasket set; engine coolant outlet gasket.
  • Fits 2018-2020 Ford Expedition, N/A, thermostat housing gasket set; molded rubber.
  • Fits 2017-2020 Ford F-150, N/A, thermostat housing gasket set; molded rubber.
  • Fits 2018-2020 Lincoln Navigator, N/A, thermostat housing gasket set; molded rubber.

What It Is Used For

  • Sealing the thermostat housing to reduce coolant leakage.
  • Replacing a hardened or flattened gasket during cooling system service.
  • Restoring a proper seal after thermostat housing removal.
  • Addressing seepage at the engine coolant outlet connection.

Installation Notes

Confirm the housing surface is clean and free of old gasket material before installation. Match the part number GS33948 and verify the fitment notes for the exact thermostat housing gasket set application on Ford Expedition, Ford F-150, or Lincoln Navigator.

Quality Assurance

MAHLE gaskets are trusted by OEMs and technicians worldwide for sealing applications. GS33948 is built to OEM-standard requirements for service replacement use.

This part fits 19 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersNotes
2023FordExpedition3.5LV6Thermostat Housing Inner Gasket Set; Engine Coolant Outlet Gasket
2023FordF-1503.5LV6Thermostat Housing Inner Gasket Set; Engine Coolant Outlet Gasket
2023LincolnNavigator3.5LV6Thermostat Housing Inner Gasket Set; Engine Coolant Outlet Gasket
2022FordExpedition3.5LV6Thermostat Housing Inner Gasket Set; Engine Coolant Outlet Gasket
2022FordF-1503.5LV6Thermostat Housing Inner Gasket Set; Engine Coolant Outlet Gasket
2022LincolnNavigator3.5LV6Thermostat Housing Inner Gasket Set; Engine Coolant Outlet Gasket
2021FordExpedition3.5LV6Thermostat Housing Inner Gasket Set; Engine Coolant Outlet Gasket
2021FordF-1503.5LV6Thermostat Housing Inner Gasket Set; Engine Coolant Outlet Gasket
2021LincolnNavigator3.5LV6Thermostat Housing Inner Gasket Set; Engine Coolant Outlet Gasket
2020FordExpedition3.5LV6Thermostat Housing Gasket Set; Molded Rubber
2020FordF-1503.5LV6Thermostat Housing Gasket Set; Molded Rubber
2020LincolnNavigator3.5LV6Thermostat Housing Gasket Set; Molded Rubber
2019FordExpedition3.5LV6Thermostat Housing Gasket Set; Molded Rubber
2019FordF-1503.5LV6Thermostat Housing Gasket Set; Molded Rubber
2019LincolnNavigator3.5LV6Thermostat Housing Gasket Set; Molded Rubber
2018FordExpedition3.5LV6Thermostat Housing Gasket Set; Molded Rubber
2018FordF-1503.5LV6Thermostat Housing Gasket Set; Molded Rubber
2018LincolnNavigator3.5LV6Thermostat Housing Gasket Set; Molded Rubber
2017FordF-1503.5LV6Thermostat Housing Gasket Set; Molded Rubber
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Ford — HL3Z-8507-DFord — HL3Z-8527-A