Performance Head Gasket Kit & Seals for Ford Expedition (2007-2014) 5.4L

Heavy-Duty Full Engine Head Gasket Kit for 2007-2014 Ford Expedition (U324)

What it Does: The Performance Head Gasket Kit provides a complete, heavy-duty sealing solution for the 2007-2014 Ford Expedition 5.4L to prevent combustion gas blow-by, coolant crossover contamination, and external oil leaks under high cylinder pressures.

The Stock Ford Expedition Sealing Weakness

The U324 platform utilizes the 5.4L Triton 3V SOHC 24V V8, pairing a heavy cast-iron block with aluminum cylinder heads. Because cast iron and cast aluminum expand at vastly different thermal rates, prolonged towing cycles and high operating temperatures induce lateral shear across the cylinder deck. Over time, OEM composite gaskets degrade, resulting in coolant weeping at the rear cylinders, loss of combustion seal, and oil seepage around the timing cover and valve guides.

The Engineering Solution

This comprehensive overhaul kit features robust multi-layer steel (MLS) head gaskets engineered with high-recovery embossed combustion fire rings. The steel core withstands elevated cylinder pressures and thermal scrub without crushing or distorting. Paired with high-grade Viton valve stem seals and pre-formed elastomer oil pan and manifold seals, this set prevents vacuum loss, controls oil consumption, and maintains seal integrity across severe heat-cycling and high-stress engine loads.

What's Included

• 1 Valve Oil Seal Set
• 2 Head Gaskets
• 2 Valve Cover Gaskets
• 2 Intake Manifold Gaskets
• 4 Exhaust Manifold Gaskets
• 1 Oil Pan Gasket
• 1 Crankshaft Rear Oil Seal
• 2 Crankshaft Front Oil Seals
• 1 Oil Filter Gasket
• 2 Water Outlet Gaskets
• Other small gaskets and seals

Technical Specifications

Compatibility

• 2007-2014 Ford Expedition (5.4L SOHC 24V Triton V8)

Frequently Asked Questions & Fitment Warnings

Does this fit the U324 Expedition?

Yes, this is a direct fit for the 2007-2014 Ford Expedition equipped with the 5.4L Triton 3V SOHC engine; confirm your engine displacement and 24-valve configuration before ordering.

Are new cylinder head bolts required during this installation?

Yes, the 5.4L Triton engine utilizes Torque-to-Yield (TTY) cylinder head bolts which stretch upon initial torquing and cannot be reused.

The Ford Towing Caliber

Built to restore and maintain severe-duty capability, this complete overhaul gasket set ensures the 5.4L Triton V8 delivers reliable sealing under heavy gross vehicle weight ratings and demanding towing conditions.