What specific vehicles does this Cometic gasket kit fit?

This kit is designed for the GM Duramax 6.6L LB7 engine. It fits Chevrolet Silverado 2500 HD and 3500 models, as well as GMC Sierra 2500 HD and 3500 models, specifically for the 2001 through 2004 model years.

What is the thickness of the cylinder head gasket included?

The kit includes a Multi-Layer Steel (MLS) cylinder head gasket that is .045 inches thick. This thickness is a standard specification for the 4.100 inch bore size on the LB7 Duramax engine.

Does this kit include gaskets for the bottom end of the engine?

No, this is a top-end gasket kit. It contains the necessary gaskets and seals for the upper portion of the engine, such as the cylinder head. For a complete engine rebuild, you would need to purchase a separate bottom-end gasket kit.

Specifications

Brand: Cometic Gasket
Part #: PRO3008T-45
UPC: 191070179397

Cometic GM LB7 Duramax Top End Gasket Kit - 4.100in Bore - .045in MLS Cylinder Head Gasket

Name: Cometic GM LB7 Duramax Top End Gasket Kit - 4.100in Bore - .045in MLS Cylinder Head Gasket
Brand: Cometic Gasket
SKU: cometic-gasket-cometic-gm-lb7-duramax-top-end-gasket-kit-4-100in-bore-045in-mls--t14-804982
Price: 501.35 USD
Availability: InStock

$501.35

Only 1 left in stock

Fits 2001-2004 Chevy Silverado 2500 HD. Cometic top end gasket kit with .045in MLS head gasket for a reliable engine rebuild.

Key Features

Fits 2001-2004 Chevrolet Silverado 2500 HD, 2001-2004 Chevrolet Silverado 3500, 2001-2004 GMC Sierra 2500 HD, and 2001-2004 GMC Sierra 3500.
Includes a .045 inch thick Multi-Layer Steel (MLS) cylinder head gasket.
Designed for the 4.100 inch bore size common in GM Duramax 6.6L LB7 engines.
StreetPro kits focus on providing quality gasket materials for engine rebuilds.
This is a top-end gasket kit, containing the essential seals for the upper portion of the engine.

⚠️ 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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About this part

Product Details

If you're rebuilding the top end of your 2001-2004 Chevrolet Silverado 2500 HD with the Duramax LB7 engine, getting the right gaskets is crucial for a solid seal. This Cometic StreetPro Top End Gasket Kit is put together with the necessary components to help you get that engine back together right. It includes a .045 inch thick Multi-Layer Steel (MLS) cylinder head gasket, which is a strong choice for sealing the combustion chamber and coolant passages.

Cometic's StreetPro kits are designed for budget-minded rebuilds, focusing on quality gasket materials that you can rely on. This kit uses MLS construction for the head gasket, known for its durability and ability to handle the pressures and temperatures found in a diesel engine. The .045 inch thickness is a common specification for this engine, ensuring proper compression and valve-to-piston clearance when used with standard deck heights. Having all the essential top-end gaskets in one package simplifies the rebuild process, so you can focus on the job at hand.

This kit is specifically for the top end of the engine. For a complete engine overhaul, you'll want to consider purchasing a bottom-end kit separately to ensure all seals and gaskets are fresh. Cometic has a reputation for making well-built gaskets, and this kit aims to provide the quality you need for a successful engine rebuild.