Cometic C5609-056 ISB MLX Cylinder Head Gasket .056 inch Bore 4.312 inch | 2007-2018 Dodge RAM 2500/3500 6.7L Cummins

Features:

• Fits 2007–2018 6.7L Cummins engines
• .056" compressed thickness for tight sealing
• 4.312" round bore for proper fitment
• Four-layer stainless steel MLX construction
• Armor-clad and graphite reinforced sealing layers
• Galvanized steel core for added durability
• Ideal for high-pressure and thermal conditions
• Seals worn or imperfect block surfaces
• No re-torque needed after installation
• Great for stock or lightly tuned engines
• Designed for long-lasting performance reliability
• Made for heavy-duty diesel applications

When You Need A Seal That Stays Locked In

If you're building or rebuilding your 6.7L Cummins between the 2007–2018 model years, you know how important it is to use parts you can trust. The Cometic C5609-056 ISB MLX Cylinder Head Gasket is made to keep your engine sealed up tight, no matter what you're throwing at it. Whether you’re hauling, tuning, or just restoring it back to stock reliability, this gasket is a smart move. With a compressed thickness of .056 inch and a round 4.312-inch bore, it delivers a precise fit and strong clamp load that helps prevent future leaks. It’s built using layered stainless steel and premium sealing materials, so you get a strong hold even if the surfaces aren’t perfect. No re-torque means once you install it, you’re good to go. This is the kind of upgrade that gives you peace of mind and lets you put your full trust back in your Cummins.

Designed To Support Combustion Stability And Structural Integrity

The Cometic C5609-056 MLX Cylinder Head Gasket is engineered for precision performance in 2007–2018 Dodge Ram 2500/3500 trucks powered by the 6.7L Cummins engine. It features a four-layer stainless steel construction with a .056-inch compressed thickness, designed to deliver balanced sealing across the cylinder head and block interface. The 4.312-inch round bore ensures proper combustion containment in stock and lightly modified applications. Reinforced with armor-clad and graphite sealing compounds, the gasket conforms to minor surface irregularities and maintains integrity through heat cycles and pressure fluctuations. A galvanized steel core adds internal strength, helping to control distortion and provide long-lasting reliability. Its design supports engines operating in both work and performance environments, delivering consistent sealing without the need for re-torque. For those looking for a dependable gasket built with advanced materials and real-world durability, this part offers a high-quality solution for your diesel build.

Fits: 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018 Dodge RAM 2500/3500 6.7L Cummins

Notes:

• Ensure compatibility with 2007–2018 Dodge RAM 2500/3500 6.7L Cummins engines
• Features a 4.312-inch round bore and .056-inch compressed thickness
• Constructed with four layers of stainless steel for enhanced durability
• Incorporates a locking bore seal for improved cylinder sealing
• Outer layers coated with high-temperature polymer for better sealing
• Reinforced with armor-clad, graphite, and galvanized steel materials for sealing irregular surfaces
• No re-torque required after installation, simplifying maintenance
• Suitable for high-performance and high-load applications
• Manufactured to order; allow 2–3 weeks for production and shipping
• Professional installation recommended to ensure proper sealing