Mahle K31843 Engine Water Pump Gasket

Brand Mahle K31843
Additional Package Contents None
Item Grade OEM Standard
Water Pump Gasket Material Steel
Fits Ford, Mercury, and Lincoln · 23 vehicles

OEM standard. Engine water pump gasket made from steel for reliable sealing.

MAHLE gaskets are trusted by OEMs and technicians worldwide.

Cross-references Ford 5F9E 8507-AB and Ford 5F9Z 8507-AB for the same application. See all 2.

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Engine Water Pump Gasket for Ford Applications

The Mahle K31843 engine water pump gasket is an OEM standard sealing solution for select Ford, Mercury, and Lincoln vehicles. Built with steel gasket material, it supports a secure water pump mounting seal for service work on the cooling system.

Use this Mahle K31843 gasket when replacing a water pump on a 2006-2012 Ford Fusion, 2006-2011 Mercury Milan, 2005-2007 Ford Five Hundred, 2005-2007 Ford Freestyle, 2005-2007 Mercury Montego, or 2006 Lincoln Zephyr.

Key Features

  • Mahle engine water pump gasket, part number K31843
  • OEM standard item grade for service and replacement use
  • Steel water pump gasket material for mounting seal applications
  • Designed for select Ford, Mercury, and Lincoln cooling system repairs
  • Fits 2006-2012 Ford Fusion, 2006-2011 Mercury Milan, and other listed applications

Detailed Description

Mahle K31843 is an engine water pump gasket made for vehicles that require a steel water pump mounting gasket. Mahle supplies sealing products used by OEMs and technicians worldwide, and this gasket follows an OEM standard specification for direct-fit service on the listed applications. If you are searching for a Ford Fusion water pump gasket, Mercury Milan water pump mounting gasket, or Lincoln Zephyr water pump gasket, K31843 matches the confirmed fitment data for those cooling system repairs.

This part cross-references Ford 5F9E 8507-AB and 5F9Z 8507-AB for the same application.

What It Helps Address

  • Coolant seepage at the water pump mounting surface
  • Sealing issues after water pump replacement
  • Leak paths caused by a worn or damaged gasket
  • Cooling system service on Ford, Mercury, and Lincoln vehicles
  • Fitment-specific replacement needs for the listed model years

Installation Notes and Tips

Clean the water pump and engine mating surfaces before installation. Inspect the mounting flange for corrosion, pitting, or old gasket residue, and verify the replacement pump and gasket match the vehicle application before assembly. Follow the vehicle service procedure and torque specifications for the water pump fasteners.

Quality Assurance

Mahle sealing products are used in OEM and technician service environments, and this K31843 gasket is built to OEM standard requirements for the listed applications.

This part fits 23 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2012FordFusion3.0LV6N/AWater Pump Mounting Gasket; Steel
2011FordFusion3.0LV6N/AWater Pump Mounting Gasket; Steel
2011MercuryMilan3.0LV6N/AWater Pump Mounting Gasket; Steel
2010FordFusion3.0LV6N/AWater Pump Mounting Gasket; Steel
2010MercuryMilan3.0LV6N/AWater Pump Mounting Gasket; Steel
2009FordFusion3.0LV6N/AWater Pump Mounting Gasket; Steel
2009MercuryMilan3.0LV6N/AWater Pump Mounting Gasket; Steel
2008FordFusion3.0LV6N/AWater Pump Mounting Gasket; Steel
2008MercuryMilan3.0LV6N/AWater Pump Mounting Gasket; Steel
2007FordFive Hundred3.0LV6N/AWater Pump Mounting Gasket; Steel
2007FordFreestyle3.0LV6N/AWater Pump Mounting Gasket; Steel
2007FordFusion3.0LV6N/AWater Pump Mounting Gasket; Steel
2007MercuryMilan3.0LV6N/AWater Pump Mounting Gasket; Steel
2007MercuryMontego3.0LV6N/AWater Pump Mounting Gasket; Steel
2006FordFive Hundred3.0LV6N/AWater Pump Mounting Gasket; Steel
2006FordFreestyle3.0LV6N/AWater Pump Mounting Gasket; Steel
2006FordFusion3.0LV6N/AWater Pump Mounting Gasket; Steel
2006LincolnZephyr3.0LV6N/AWater Pump Mounting Gasket; Steel
2006MercuryMilan3.0LV6N/AWater Pump Mounting Gasket; Steel
2006MercuryMontego3.0LV6N/AWater Pump Mounting Gasket; Steel
2005FordFive Hundred3.0LV6N/AWater Pump Mounting Gasket; Steel
2005FordFreestyle3.0LV6N/AWater Pump Mounting Gasket; Steel
2005MercuryMontego3.0LV6N/AWater Pump Mounting Gasket; Steel
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Ford — 5F9E 8507-ABFord — 5F9Z 8507-AB