Air and Fuel› Intake Manifolds and Components

GM Performance

F-(S)MANIFOLD

$231.87

SKU: G03V 12639087

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Special Order
Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Professional / shop required

Description

The GM Genuine Parts 12639087 is an aluminum dual-plane intake manifold assembly designed for Gen V Small Block V-8 direct injection spark ignition engines. It is a complete intake section intended as a stock replacement.

This intake manifold assembly is manufactured to meet expectations for fit, form, and function. It is a GM-recommended replacement part that ensures a perfect fit and form, restoring your vehicle's performance to its original state.

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

BrandGM Performance
Part NumberG03V 12639087

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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