Cometic Gasket MLS Cylinder Head Gasket

2003–2015 Chrysler, Dodge, Jeep & Ram 5.7L Gen-3 Hemi

Part #: C5468-030

Overview

The Cometic Multi-Layer Steel (MLS) Cylinder Head Gasket is engineered specifically for Chrysler, Dodge, Jeep, and Ram vehicles equipped with the 5.7L Gen-3 Hemi engine. Designed to deliver superior sealing performance, this gasket is ideal for both professional mechanics and automotive enthusiasts performing engine rebuilds, repairs, or upgrades. It ensures a reliable, leak-proof seal that maintains engine integrity under demanding driving conditions, including daily use, towing, and performance applications.

Built to withstand high temperatures and pressures, the Cometic MLS gasket helps prevent coolant and oil leaks while supporting consistent compression. Its precision design and durable materials make it a trusted choice for maintaining the longevity and performance of your 5.7L Hemi engine.

Key Features

Cometic’s MLS Cylinder Head Gasket combines advanced materials and precision engineering to provide exceptional durability and sealing reliability:

• Multi-Layer Steel (MLS) construction with three to five layers of premium stainless steel for enhanced strength and durability
• Embossed outer layers coated with heat-resistant Viton rubber for superior sealing and corrosion resistance
• Viton coating rated to withstand temperatures up to 250°C (482°F), ensuring dependable performance in harsh environments
• Designed to rebound and maintain sealing integrity under varying load conditions and surface finishes
• Precision bore size of 3.950 inches to match factory specifications for the 5.7L Gen-3 Hemi engine
• Left-hand side (LHS) configuration tailored for specific engine applications
• Compatible with a wide range of Chrysler, Dodge, Jeep, and Ram models from 2003 through 2015
• Manufactured to meet or exceed OEM standards for fit, form, and function

Construction & Design

The Cometic MLS gasket is constructed from multiple layers of high-grade stainless steel, providing exceptional tensile strength and resistance to warping or failure under extreme operating conditions. The embossed outer layers increase the sealing surface contact area, while the Viton rubber coating on both sides enhances chemical resistance and heat tolerance. This combination ensures a durable, leak-proof seal that adapts to engine movement and thermal expansion without compromising performance.

Cometic’s precise manufacturing process guarantees consistent thickness and exact dimensions, which are critical for maintaining proper compression and preventing coolant or oil leaks. The gasket’s design specifically accommodates the unique demands of the 5.7L Gen-3 Hemi engine, supporting reliable operation across multiple vehicle platforms.

Installation & Fitment

This cylinder head gasket is a direct replacement part designed for straightforward installation on compatible vehicles. It fits the left-hand side (LHS) cylinder heads of the following models equipped with the 5.7L Gen-3 Hemi engine:

• 2003–2010 Dodge Ram 1500, 2500, 3500
• 2004–2009 Dodge Durango
• 2005–2010 Chrysler 300C
• 2005–2008 Dodge Magnum
• 2005–2015 Jeep Grand Cherokee
• 2006–2010 Jeep Commander
• 2006–2015 Dodge Charger
• 2009–2015 Dodge Challenger
• 2011–2015 Ram 1500, 2500, 3500
• 2011–2015 Dodge Durango
• 2011–2015 Chrysler 300

No modifications are required when installed according to factory service procedures. For optimal results, ensure the cylinder head and engine block surfaces are clean, flat, and free of debris before installation. Follow proper torque specifications and tightening sequences to maintain gasket integrity and engine performance.

What's Included

• One Cometic MLS Cylinder Head Gasket, Left-Hand Side (LHS)

Ideal For

This gasket is ideal for vehicle owners and mechanics seeking a high-quality, durable replacement for the cylinder head gasket on Chrysler, Dodge, Jeep, and Ram vehicles equipped with the 5.7L Gen-3 Hemi engine. It is well-suited for engine rebuilds, repairs, or performance upgrades where reliable sealing under normal and demanding driving conditions is essential.

Cometic Gasket supplies high-performance sealing solutions for motorsports and high-stress engine builds, with a strong focus on modern gasket materials like multi-layer steel (MLS) head gaskets. Their catalog spans head gaskets and complete gasket sets across a wide range of applications, helping builders maintain reliable combustion and fluid sealing under extreme pressure and heat.