What is the thickness of these exhaust gaskets?

These Cometic exhaust gaskets are .040 inches thick. This specific thickness is important for ensuring a proper seal and fitment with your exhaust manifold and cylinder head.

Do I need to use any sealant with these gaskets?

No, these Cometic MLS exhaust gaskets do not require any additional sealants. They are designed to create a tight seal on their own, even with different combinations of cylinder head and exhaust manifold materials.

What does 'Multi-Layer Steel' mean for these gaskets?

Multi-Layer Steel (MLS) means the gasket is constructed from multiple layers of steel. This advanced construction allows it to withstand high cylinder pressures and maintain its shape and sealing ability under extreme conditions, preventing burnout or blowouts.

Cometic Dodge Cummins 5.9L 24V/24VCR .040in MLS (2) 3 Port Exhaust Gasket

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Specifications

Brand: Cometic Gasket
Part #: C5726-040
UPC: 191070033408

Cometic Dodge Cummins 5.9L 24V/24VCR .040in MLS (2) 3 Port Exhaust Gasket

Name: Cometic Dodge Cummins 5.9L 24V/24VCR .040in MLS (2) 3 Port Exhaust Gasket
Brand: Cometic Gasket
Price: 52.56 USD
Availability: InStock

$52.56

On Backorder — Expected to ship by Mar 29, 2026

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Fits 1998-2008 Dodge Ram 2500. Cometic 3-port exhaust gaskets made from multi-layer steel to handle high cylinder pressures.

Key Features

Fits 1998-2008 Dodge Ram 2500 and 1998-2002, 2004-2008 Dodge Ram 3500.
Includes two 3-port exhaust gaskets for the Cummins 5.9L ISB/ISB CR engine.
Multi-Layer Steel (MLS) construction handles extreme cylinder pressures.
Resists corrosion and will not burn through or push out.
Maintains torque settings for a reliable seal.
Designed to work with various cylinder head and exhaust manifold materials.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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Fits these vehicles

Dodge Ram 2500 1998-2008
Dodge Ram 3500 1998-2002, 2004-2008

Product Details

This set includes two Cometic Multi-Layer Steel (MLS) exhaust gaskets, each designed to cover three ports. These gaskets are specifically made for the Cummins 5.9L ISB and ISB CR engines found in certain Dodge Ram trucks. They are built to handle the extreme cylinder pressures common in these diesel applications.

Cometic MLS exhaust gaskets are well-built to maintain their torque settings and resist corrosion, meaning they won't burn through or get pushed out under stress. They are designed to work with different combinations of cylinder head and exhaust manifold materials without needing any additional sealants. The gaskets are also .040 inches thick, which is an important specification for proper fitment and sealing in your exhaust system.