Cometic C5883-060 MLS Cylinder Head Gasket - .060 inch Bore 4.100 inch LHS | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Features:

• Fits 2001-2016 6.6L Duramax engines
• For Silverado and Sierra 2500HD/3500HD
• Left-hand side cylinder head gasket
• Multi-layer steel (MLS) gasket construction
• .060 inch compressed gasket thickness
• 4.100 inch round bore design
• Five-layer design for maximum sealing strength
• Seals irregular or uneven surface areas
• Armor-clad, graphite, and steel reinforcement
• Reliable for stock or performance builds
• Helps prevent leaks and pressure loss

Keep Your Duramax Sealed and Ready for Work

When it comes to rebuilding or upgrading the top end of your 6.6L Duramax, the Cometic C5883-060 MLS Cylinder Head Gasket for the left-hand side is a critical component you can trust. Designed specifically for 2001–2016 Chevrolet Silverado and GMC Sierra 2500HD and 3500HD models, this gasket delivers long-term sealing strength for trucks that work hard every day. Featuring a .060-inch compressed thickness and a 4.100-inch bore, it fits precisely to keep combustion pressures contained and coolant where it belongs. The five-layer MLS construction combines armor-clad, graphite, and galvanized steel materials, giving it the ability to seal against irregular or worn surfaces that can develop over time. This helps prevent leaks that could otherwise lead to costly downtime or engine damage.

Built to Handle Stock or High-Performance Builds

Whether you rely on your Duramax for towing, heavy hauling, or you’re pushing for extra power with tuning and upgrades, this gasket is designed to handle the job. Its durable, multi-layer design holds up under the heat and pressure of high-load conditions, giving you the confidence to put your truck to work without worrying about failure. From stock engines to performance builds, the Cometic C5883-060 provides reliable sealing performance mile after mile. It’s the kind of upgrade that gives you peace of mind, knowing your engine is protected and ready to take on whatever comes next. If you’re already in the process of a rebuild or refresh, this gasket is one of those details that makes all the difference in long-term reliability.

Specs:

• Material: MLS
• Compressed Thickness: .060
• Bore Shape: Round
• Bore Size: 4.100
• Layers: 5
• Orientation: Left

Vehicle Fitment:

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