Cometic Gasket · New
Cometic GM LLY/LBZ Duramax Top End Gasket Kit - 4.100in Bore - .053in MLX Cylinder Head Gasket
MPN PRO3009T-4100-053 · Store SKU cgsPRO3009T-4100-053
Supplier stock checked 11/7/2026, 5:31:40 AM UTC. Adding a part does not reserve it.
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Product details
COMETIC StreetPro Kits cater to the budget-minded street-rodder who is looking to purchase a kit with all necessary gaskets and seals needed for their rebuild. Quality gasket materials are a priority in StreetPro kits. Kit materials include: MLS, AFM, Aramid Fiber, and Armor Clad. GM LLY/LBZ Duramax Top End Gasket Kit; 4.100in. Bore; .053in. MLX Cylinder Head Gasket GM LLY/LBZ Duramax Top End Gasket Kit, 4.100" Bore, .053" MLX Cylinder Head Gasket MLX Gaskets utilize an integrated "stopper" layer for combustion chamber sealing GM LLY/LBZ Duramax Top End Gasket Kit
Manufacturer fitment & guides
Check PRO3009T-4100-053 against the manufacturer’s application information below.
Part-specific notes
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