Engines and Components› Cylinder Heads and Components
Cometic Gasket
Cometic GM LB7/LLY/LBZ/LMM/LGH/LML Duramax .062in MLX Cylinder 4.130in Bore RHS Head Gasket
SKU: C006 C15375-062
Easy — 1–2 hours
Description
Cometic manufactures this gasket in America using American-made materials. The MLX gasket technology utilizes an integrated stopper layer for combustion sealing and improved clamp load.
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | Cometic Gasket |
| Part Number | C006 C15375-062 |
Videos
Duramax Head Gasket #dieselengine #dieseltruck #headgasket #engine #dieselrepair #gmc #
How To Install Head Gaskets And Head Studs | Duramax
Head gaskets on a LML Duramax
How to “Easily” fix a blown head gasket. Anyone can do it 👍
LML Duramax 6.6 Head Gasket Replacement Part 1
Duramax LML Burning Oil After Head Studs. Don't Make This Mistake! (READ DESCRIPTION)
REVIEW: Everything Wrong With A 6.6 Duramax LLY Diesel Engine
Reviewing Cometic's MLX Head Gaskets
Blown head gasket LBZ Duramax diagnosis
The Return - Duramax Tear Down (Headgasket Replacement)
Should You Use Copper Gasket Spray? | Tech Minute
Common Mistakes Made With Automotive Head Gaskets | Counter Intelligence
Thicker Head Gasket | When And Why? [HPA Q&A]
How to Prepare Engine Surfaces for Gasket Installation
TURBO 240SX BUILD | HEAD, HEADGASKET, AND COPPER SPRAY?
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
View Full Return Policy