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Gaskets and Seals› Engine Gaskets and Seals

Cometic Gasket

Cometic Buick V6 Rear Main Seal Kit - 2 Piece

$22.14 $19.93 Save $2.21

SKU: C006 C5707

In Stock
In Stock
Ships by Jul 29
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Cometic C5707 is a rear main seal designed for GM V6 engines. It fits Buick models from 1975 to 1989 with 3.8L/231 cubic inch engines. This 2-piece rubber seal also includes new rear main seal and side rails.

Fitment

Fitment Guaranteed

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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.

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Specifications

BrandCometic Gasket
Part NumberC006 C5707

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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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