Product Description
MAHLE 54657 Black Diamond™ Head Gasket is a premium multi-layer steel (MLS) gasket for the 2008–2010 Ford 6.4L Power Stroke. Engineered for high cylinder pressures and heat, the Black Diamond coating improves micro-sealing and durability. Sold individually (one bank).
- Material: MLS with Black Diamond™ coating
- Compressed thickness: 1.58 mm (≈0.062")
- Bore diameter: 102.26 mm (≈4.026")
- Dowel pins: 20 mm alignment dowels included
- GTIN/UPC: 027067789488
- Warranty: 1-Year Limited
Fitment
- 2008, 2009, 2010 Ford F-250 / F-350 / F-450 / F-550 Super Duty with 6.4L Power Stroke diesel
Cross Reference Numbers
- Ford/Motorcraft (OE, reference): 8C3Z-6051-B (head gasket; verify side and thickness by VIN)
- MAHLE: 54657
- UPC/GTIN: 027067789488
What’s Included
(1) Black Diamond™ MLS head gasket with 20 mm dowels. Head bolts/studs sold separately.
FAQ
Do I need two gaskets to do both heads?
Yes. This part is sold per side. Order quantity (2) for both banks.
What thickness and bore are these?
Compressed thickness is ~1.58 mm (0.062"). Bore is ~102.26 mm (4.026").
Will this work with torque-to-yield (TTY) head bolts?
Yes—MAHLE lists compatibility with TTY fasteners. Many builders upgrade to head studs for added clamping.
Does it include head bolts?
No. Bolts or studs are sold separately—see recommended add-ons below.
Left or right specific?
Listing is per head; verify side and thickness vs. OE if mixing components.
