Head Gasket Set for Chevrolet Silverado GMC Sierra Hummer 6.6 Duramax LML LLY

Product Overview

This aftermarket replacement head gasket set is intended for Chevrolet Silverado, GMC Sierra, and Hummer applications with the 6.6 Duramax LML and LLY engines. A head gasket set provides sealing for the surfaces between the cylinder head and engine block during reassembly. This set is supplied for the listed Duramax LML and LLY engine applications.

Key Features & Performance

• Provides head gasket sealing for the cylinder head and engine block interface
• Intended for the 6.6 Duramax LML and LLY engine applications listed
• Used when servicing or reassembling the corresponding engine components
• Supports the normal sealing function of the cylinder head assembly

Fitment & Compatibility

• for Chevrolet Silverado 6.6 Duramax LML applications
• for Chevrolet Silverado 6.6 Duramax LLY applications
• for GMC Sierra 6.6 Duramax LML applications
• for GMC Sierra 6.6 Duramax LLY applications
• for Hummer 6.6 Duramax LML applications
• for Hummer 6.6 Duramax LLY applications

Common Uses

• Replacing worn, leaking, or damaged head gasket components
• Engine repair or reassembly of the cylinder head area
• Restoring normal sealing function after the original gasket has failed

Technical Specifications

• Product Type: Head Gasket Set
• Engine Application(s): 6.6 Duramax LML, 6.6 Duramax LLY
• Vehicle Application(s): Chevrolet Silverado, GMC Sierra, Hummer

Frequently Asked Questions

Q: What does a head gasket set do? A: A head gasket set seals the mating surfaces between the cylinder head and engine block during engine reassembly.

Q: How should fitment be verified? A: Confirm the complete existing part number and the complete engine model designation, such as 6.6 Duramax LML or LLY, match those listed before purchase.

This is an aftermarket replacement part and is not represented as genuine or original equipment. Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number, model year, or existing part number. Verify fitment before purchase.