Reseal the combustion chamber and keep coolant and oil separated with the MAHLE Engine Cylinder Head Gasket 54401. This Multi-Layered Steel gasket serves the left cylinder head and drops in as a direct-fit replacement for the listed Ford, Lincoln and Mercury V8-4.6L and V8-5.4L applications, including the 2005-2014 Ford Expedition, 2004-2010 Ford F-150, 2005-2014 Lincoln Navigator and 2006-2010 Mercury Mountaineer — see the Buyer's Guide tab for the full list.
- Material: Multi-Layered Steel construction.
- Thickness: 0.91 mm (0.04 in).
- Cylinder bore diameter: 92.20 mm (3.63 in).
- Grade: OEM Standard.
These heads use torque-to-yield cylinder head bolts, and MAHLE recommends replacing the head bolts during this service. Gasket sealant is not included; consult the vehicle service information for the correct fasteners, whether they may be reused, and the specified torque procedure. Signs a head gasket may need replacing include coolant or oil seepage, coolant loss, or combustion sealing issues on the affected head — diagnose the cause before replacing. Made in the United States.
Interchange: 26306 PT · 26306PT · 3L3Z 6051-HALH · 3L3Z6051HALH · 7L3E 6083-AA · 7L3E6083AA · 7L3Z 6051-B · 7
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What vehicles does this head gasket fit?
It is a direct-fit replacement for the listed V8-4.6L and V8-5.4L applications, including the 2005-2014 Ford Expedition, 2004-2010 Ford F-150 and 2005-2014 Lincoln Navigator. See the Buyer's Guide tab for the full list.
Which cylinder head is this gasket for?
The catalog lists it for the left cylinder head. Order the correct side for your application.
What is the gasket made of?
It uses Multi-Layered Steel construction, with a thickness of 0.91 mm (0.04 in) and a cylinder bore diameter of 92.20 mm (3.63 in). It is an OEM Standard grade gasket.
Do I need new head bolts?
These use torque-to-yield head bolts, and MAHLE recommends replacing them during this service. Consult the vehicle service information for the correct fasteners and torque procedure.
Is gasket sealant included?
No, gasket sealant is not included. Follow the vehicle service procedure for any sealant requirements. The gasket is made in the United States.
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