Cometic Gasket MLS Cylinder Head Gasket

1993–2010 Jeep Grand Cherokee / Wrangler 4.0L Inline 6 Engine

Part #: C5987-060

Overview

The Cometic Gasket MLS Cylinder Head Gasket is engineered to provide superior sealing performance for Jeep 4.0L Inline 6 engines found in various Grand Cherokee and Wrangler models from 1993 through 2010. This multi-layer steel (MLS) gasket is designed to withstand the demanding conditions of high-output engines, ensuring reliable sealing between the cylinder head and engine block. Ideal for enthusiasts and professionals seeking enhanced durability and engine longevity, this gasket eliminates the need for additional sealants while maintaining excellent resistance to heat, corrosion, and mechanical stress.

Whether you are performing routine maintenance or upgrading your engine, the Cometic MLS gasket offers peace of mind by preventing leaks and maintaining optimal compression under extreme operating conditions.

Key Features

Built with advanced materials and precision engineering, the Cometic MLS Cylinder Head Gasket delivers consistent performance and reliability. Key features include:

• Multiple embossed stainless steel layers for enhanced strength and sealing
• Heat-resistant Viton rubber coating for superior temperature tolerance
• Designed specifically for high-output Jeep 4.0L Inline 6 engines
• No additional sealants required, simplifying installation
• Excellent corrosion resistance to extend gasket life
• Flexible design to accommodate differences between aluminum heads and cast iron blocks
• Precision bore size of 3.950mm with a thickness of 0.060 inches for optimal fit
• Compatible with a wide range of Jeep Grand Cherokee and Wrangler models from 1993 to 2010

Construction & Design

The Cometic MLS Cylinder Head Gasket features a robust construction composed of multiple layers of embossed stainless steel. This multi-layer design enhances the gasket’s ability to maintain a tight seal under high pressure and temperature fluctuations commonly experienced in performance and off-road applications. Each layer is coated with a heat-resistant Viton rubber compound, which improves sealing integrity and protects against chemical degradation.

The gasket’s design accommodates the natural expansion differences between aluminum cylinder heads and cast iron engine blocks, reducing the risk of leaks and gasket failure. This flexibility is critical for maintaining engine reliability and performance over time.

Installation & Fitment

Installation of the Cometic MLS Cylinder Head Gasket is straightforward and requires no additional sealants, making it a convenient upgrade or replacement part. It is engineered to fit precisely on Jeep 4.0L Inline 6 engines found in the following models:

• 1993–1998 Jeep Grand Cherokee
• 1997–2006 Jeep Wrangler
• 1999–2004 Jeep Grand Cherokee

Proper torque specifications and installation procedures should be followed to ensure optimal sealing and gasket longevity. This gasket is designed to work seamlessly with OEM and aftermarket cylinder heads and blocks within the specified fitment range.

What's Included

• One Cometic MLS Cylinder Head Gasket, part number C5987-060

Ideal For

This gasket is ideal for Jeep owners and mechanics who demand reliable sealing solutions for 4.0L Inline 6 engines. It suits those performing engine rebuilds, upgrades, or repairs on Jeep Grand Cherokee and Wrangler models spanning 1993 to 2010. Its durability and precision make it well-suited for both daily driving and high-performance or off-road applications where engine integrity is critical.