Mahle HS54400 Engine Cylinder Head Gasket Set

Mahle HS54400 Cylinder Head Gasket Set

The Mahle HS54400 engine cylinder head gasket set is built for Ford and Lincoln V8 applications that need OEM-standard sealing performance. It uses a multi-layered steel cylinder head gasket and exhaust manifold gasket, with a molded rubber intake manifold gasket for proper sealing across critical engine surfaces.

Fits 2004-2005 Ford F-150, N/A; Fits 2005 Ford Expedition, N/A; Fits 2005 Ford F-250 Super Duty, N/A; Fits 2005 Ford F-350 Super Duty, N/A; Fits 2005 Lincoln Navigator, N/A; Fits 2006 Ford Expedition, N/A; Fits 2006 Ford F-150, N/A; Fits 2006 Ford F-250 Super Duty, N/A; Fits 2006 Ford F-350 Super Duty, N/A; Fits 2006 Lincoln Mark LT, N/A; Fits 2006 Lincoln Navigator, N/A.

Key Features

• Mahle HS54400 engine cylinder head gasket set for select Ford and Lincoln trucks and SUVs
• Multi-layered steel cylinder head gasket for durable sealing at the head surface
• Multi-layered steel exhaust manifold gasket for high-temperature sealing
• Molded rubber intake manifold gasket for intake sealing
• OEM Standard item grade
• Torque-to-yield application
• Additional miscellaneous gaskets and seals included
• Cylinder head bolts not included

Detailed Description

Mahle HS54400 is an OEM-standard cylinder head gasket set for 2004-2006 Ford F-150, Expedition, F-250 Super Duty, F-350 Super Duty, and Lincoln Navigator and Mark LT applications listed in the fitment data. Mahle gaskets are used by OEMs and technicians worldwide for engine sealing, and this set follows that standard with multi-layered steel head and exhaust gaskets plus molded rubber intake sealing components. This part cross-references Ford 3L3Z 6079AA and FEL-PRO HS 26306 PT for the same application.

Common Repair Uses

• Head gasket replacement after combustion sealing failure
• Repair of coolant loss from a compromised cylinder head seal
• Correction of exhaust leakage at the manifold sealing surface
• Intake manifold sealing service during top-end engine repair
• Restoration of proper compression sealing on torque-to-yield engines

Installation Notes

Confirm engine code, build date, and exact vehicle application before installation. Cylinder head bolts are not included, and cylinder head bolt replacement is recommended for this torque-to-yield application. Inspect the cylinder head and block surfaces for flatness, clean all mating surfaces thoroughly, and follow the factory torque sequence and angle specifications during assembly. Verify the fitment notes for the listed 2006 Ford and Lincoln applications, including the production cutoffs shown in the vehicle data.

Quality Assurance

Mahle supplies sealing products trusted in OEM and professional repair environments. HS54400 is built to OEM Standard specifications for consistent sealing performance in the listed Ford and Lincoln applications.