Cometic C5883-056 MLS Cylinder Head Gasket - .056 inch Bore 4.100 inch LHS | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Features:

• Fits 2001-2016 Duramax 6.6L engines
• For GM 2500HD and 3500HD trucks
• Left-side head gasket orientation
• .056 inch compressed thickness
• 4.100 inch round bore design
• Five-layer multi-layer steel construction
• Seals against irregular engine surfaces
• Reinforced with armor-clad and graphite materials
• Engineered for high-pressure durability
• Reliable option for stock or performance builds

Built for Duramax Reliability and Everyday Demands

When it comes to head gasket replacement, choosing the right gasket can make or break the long-term reliability of your Duramax. The Cometic C5883-056 MLS Cylinder Head Gasket is engineered to help you seal the job right the first time. Designed specifically for the left-hand side of 2001 to 2016 Silverado and Sierra 2500HD and 3500HD models with the 6.6L Duramax, this gasket features a .056-inch compressed thickness and a 4.100-inch round bore. Whether you’re performing a full engine rebuild or simply replacing a failed gasket, this option gives you the strength and durability you need to restore confidence in your truck’s performance.

Multi-Layer Strength with Advanced Sealing Materials

What sets this gasket apart is its five-layer multi-layer steel construction, designed to handle the high cylinder pressures found in diesel engines. It’s reinforced with materials like armor-clad, graphite, and galvanized steel, giving it the flexibility to seal uneven or slightly worn surfaces while still holding up to the heat and pressure of hard-working diesel applications. From stock daily drivers to lightly modified tow rigs, this gasket provides dependable sealing performance you can count on, helping you avoid future leaks and keeping your Duramax running strong for the miles ahead.

Specs:

• Material: MLS
• Compressed Thickness: .056
• Bore Shape: Round
• Bore Size: 4.100
• Layers: 5
• Orientation: Left

Fits:

• 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 Chevrolet Silverado/GMC 2500HD Sierra Duramax
• 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 Chevrolet Silverado/GMC 3500HD Sierra Duramax

Year Ranges	Make	Model	Series	Engine
2001-2016	GM/Chevrolet/GMC	Silverado/Sierra	2500HD/3500HD	6.6L Duramax LB7/6.6L Duramax LBZ/6.6L Duramax LLY/6.6L Duramax LML/6.6L Duramax LMM

Property	Values
Year Ranges	2001-2016
Make	GM/Chevrolet/GMC
Model	Silverado/Sierra
Series	2500HD/3500HD
Engine	6.6L Duramax LB7/6.6L Duramax LBZ/6.6L Duramax LLY/6.6L Duramax LML/6.6L Duramax LMM