Mahle HS54657 Head Gasket Set | 6.4L Power Stroke | Black Diamond | 2008-2010

Mahle head gasket set for 2008-2010 Ford 6.4L Power Stroke engines, part number HS54657. Built around two Black Diamond head gaskets — multi-layer steel with Mahle's Black Diamond coating — plus the complete upper engine sealing group covering the turbochargers, EGR, oil cooler, injectors and manifolds. Packaged in a shrink-wrapped tray so contents can be verified before opening.

Key Features:

• Two Black Diamond head gaskets — multi-layer steel with Black Diamond coating, 20 mm dowel
• Fluoroelastomer valve stem seals, 32 per set
• Two turbocharger gaskets and four turbo oil drain gaskets
• Complete EGR group — EGR valve gasket and two EGR cooler gaskets
• Oil cooler gaskets and O-ring, oil manifold gasket, thermostat housing and water outlet gaskets
• Full injector seal group — 16 fuel injection grommets, 8 nozzle washers, 8 O-rings, 8 fuel line gaskets
• Thirteen intake manifold gaskets, two exhaust manifold gaskets, six exhaust pipe gaskets
• Four valve cover gaskets, two valve cover seals, 20 valve cover grommets

Specifications:

• Part number: HS54657
• Brand: Mahle
• Condition: New
• Component type: Head gasket set, upper engine
• Head gasket: Black Diamond coated multi-layer steel, 20 mm dowel, two per set
• Valve stem seals: Fluoroelastomer
• Engine: Ford 6.4L Power Stroke
• Model years: 2008-2010
• Weight: 7.2 lb
• Sold as: One set

Compatibility / Fitment:

Fits 2008-2010 Ford 6.4L Power Stroke engines.

Head bolts are not included and are sold separately. Mahle's head bolt kit requires one kit per head, two per engine. Most shops fit head studs in place of the factory torque-to-yield bolts during this repair.

Scope: this set covers the upper engine. For a full engine set, pair it with Mahle CS54657 lower conversion set.

Related sets: JV5139 timing cover gasket set, MIS19637 intake manifold master set, VS50503 valve cover gasket set.

Conclusion:

Mahle HS54657 is the head gasket set for 2008-2010 Ford 6.4L Power Stroke engines, built around two Black Diamond coated multi-layer steel head gaskets and carrying the complete upper engine sealing group through the turbochargers, EGR and oil cooler. Order head studs or bolts separately.