Sale

Exterior Components› Body Panels and Components

Mahle

GMC:307 Eng.(85-90)(int)

$52.62 $51.26 Save $1.36

SKU: M002 MS15966

In Stock
In Stock
Ships by Jun 14
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Description

The Mahle Original MS15966 is a valley pan gasket designed to provide a reliable seal for your engine's intake manifold. Constructed from durable steel, this gasket features a beaded sealing surface for enhanced performance and a stock port style to ensure proper fitment.

This gasket is specifically engineered for a wide range of GM vehicles, including Buick, Chevrolet, Cadillac, Oldsmobile, and Pontiac models from the mid-1970s through the early 1990s. Its application notes specify a beaded steel construction, ensuring a tight seal under various operating conditions.

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

BrandMahle
Part NumberM002 MS15966

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