Gaskets and Seals› Engine Gaskets and Seals

Cometic Gasket

Cometic Buick 3.8L V6 Ser.2 3.840in Bore .066 inch MLS LHS Head Gasket

$171.32

SKU: C006 C5720-066

In Stock
In Stock
Ships by Jun 15
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Cometic C5720-066 is a Multi-Layer Steel (MLS) engine gasket designed for Buick 3.8L V6 Series 2 engines. It features a 3.840-inch bore and a compressed thickness of 0.066 inches, with 5 layers of stainless steel. The outer layers are coated with Viton rubber for enhanced sealing. This gasket is specifically for the left side.

Fitment

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Specifications

BrandCometic Gasket
Part NumberC006 C5720-066

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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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