Gaskets and Seals› Engine Gaskets and Seals
Cometic Gasket
Cometic GM 6.6L Duramax Diesel 01-06 4.100 inch Bore .027 inch MLS Left Head Gasket
SKU: C006 C5883-027
Easy — 1–2 hours
Description
Constructed from three layers of multi-layer steel (MLS), this gasket offers enhanced durability and sealing capability. This specific model is for the driver's side.
This gasket is specifically engineered to fit 2001 to 2016 6.6L Duramax engines in Sierra 2500 HD models, offering OEM-level compatibility and performance. Installation requires moderate mechanical skills and careful attention to torque specifications.
Fitment
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Specifications
| Brand | Cometic Gasket |
| Part Number | C006 C5883-027 |
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.
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