What is a multi-layer steel (MLS) head gasket?

A multi-layer steel head gasket uses several layers of steel, often with rubber or other materials bonded between them. This construction allows it to be strong yet flexible, creating a reliable seal under the high temperatures and pressures found in an engine.

What does a cylinder head gasket do?

The cylinder head gasket seals the space between your engine block and cylinder head. Its main jobs are to keep combustion gases from escaping the cylinders, prevent coolant from leaking into the cylinders or oil passages, and stop oil from leaking into the coolant passages.

Does this gasket come with any other parts?

This product is for the cylinder head gasket only. It does not include head bolts or other related sealing components, which may need to be replaced separately depending on your vehicle's service manual.

Victor Reinz Cylinder Head Gasket 4021 - AM General Hummer

Name: MAHLE Original Am General Hummer 01-99 Cylinder Head Gasket
Brand: Victor Reinz
Price: 35.20 USD
Availability: InStock

MAHLE Original Am General Hummer 01-99 Cylinder Head Gasket

$35.20

On Backorder

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

Victor Reinz cylinder head gasket for AM General Hummer 1994-2001. Ensures a solid seal for your engine's combustion chambers.

Key Features

Fits AM General Hummer 1994-2001.
Multi-layer steel (MLS) construction offers a strong and flexible seal.
Designed to maintain proper engine compression and prevent leaks.
Helps keep combustion gases contained within the cylinders.
Suitable for a wide range of Chevrolet and GMC trucks and vans.

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Product Details

This Victor Reinz cylinder head gasket is built with a multi-layer steel (MLS) design, a common choice for its ability to handle varying temperatures and pressures within the engine. It's designed to create a tight seal between your engine block and cylinder head, which is crucial for keeping combustion gases contained and preventing coolant and oil leaks. If you're rebuilding the top end of your engine or replacing a blown head gasket, this part is made to fit a range of vehicles, including models like the AM General Hummer, Chevrolet C1500 Suburban, and GMC Savana 2500.

The MLS construction means this gasket uses multiple layers of steel, often with specialized coatings, to provide a strong and flexible seal. This updated design helps it conform to the surfaces of the block and head, even if they aren't perfectly flat, which is common after an engine has been run for a while. It's a well-built component that helps ensure your engine runs smoothly and efficiently by maintaining proper compression and preventing fluid contamination.