Mahle Cylinder Head Gasket for Ford 6.7L Power Stroke Diesel – Part #55527

Mahle Engine Cylinder Head Gasket – 55527 (Left Side)

The Mahle 55527 is an OEM-quality left cylinder head gasket engineered for select 2020–2022 Ford Super Duty trucks equipped with the 6.7L Power Stroke diesel engine. Designed with multi-layered steel (MLS) construction and advanced coatings like fluoroelastomer and PTFE, this gasket delivers exceptional sealing performance under the extreme pressure and heat generated by modern diesel engines.

This is a driver-side (left) head gasket—ideal for top-end service, head replacement, or complete engine overhauls. Mahle ensures precise fit and OEM-reliability trusted by professional diesel technicians.

Key Features:

• Application: 6.7L Power Stroke Diesel (Left Cylinder Head)

• Item Grade: OEM Standard

• Material: Multi-Layered Steel (MLS)

• Gasket Coating: Fluoroelastomer + PTFE

• Bore Diameter: 3.90″

• Gasket Thickness: 0.050″

• Torque-to-Yield: Yes

• Cylinder Head Bolts Included: No

• Cylinder Head Dowel Included: No

• Package Quantity: 1 (Left Side Only)

Vehicle Fitment – Ford (6.7L Power Stroke Diesel):

• F-250 / F-350 / F-450 / F-550 Super Duty (2020–2022)

• F-650 / F-750 (2021–2022)

OEM Reference Numbers – Ford:

• LC3Q-6083-AB

• LC3Z-6051-D

Note: This gasket is for the left (driver) side only. Right side sold separately. Cylinder head bolts must be purchased separately. Always confirm fitment with VIN or engine code.