2001-2016 Duramax Wave-Stopper Grade C Passenger Side Head Gasket (54582)

Seal your engine with confidence using the Mahle Original® Wave-Stopper Cylinder Head Gasket. Engineered for the 2001–2016 Duramax 6.6L, this Grade C (1.05mm thickness) gasket features advanced Multi-Layered Steel (MLS) construction combined with "Combustion Load Limiter" technology. This unique design allows the gasket to dynamically acclimate to the extreme changing loads and cylinder pressures inherent in high-performance diesel engines. As a top-tier direct-fit replacement, it ensures a durable, leak-free seal for standard bore cylinders on the right-hand (passenger) side of your engine block.

Part Number: 54582 (5458X Series)

• Wave-Stopper Technology: Features a combustion load limiter that adapts to fluctuating cylinder pressures for a superior seal.
• Multi-Layered Steel (MLS): Constructed from high-grade stainless steel layers for maximum thermal and mechanical durability.
• Grade C Thickness: Precision-measured at 1.05mm, making it the most popular choice for service and repair applications.
• Direct-Fit Replacement: Quality tested to meet or exceed original factory specifications for a perfect fit.
• Right-Side Specific: Specifically designed and ported for the passenger side (RH) bank of the 6.6L Duramax.

• (1) Mahle Grade C Passenger Side MLS Head Gasket

• Bore Size: Designed for use with standard bore cylinders.
• Fasteners: Cylinder head bolts are not included; new high-quality bolts or head studs are highly recommended for installation.
• Selection: Please verify your required thickness (Grade A, B, or C) based on piston protrusion before ordering.

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  Is this a molly grade C head gasket?

  This is a Grade C headgasket.