Heating and Cooling Thermostats, Housings and Fillers

GM Performance

(S)GASKET

$35.37

SKU: G03V 12623852

Out of Stock
In Stock
Ships by Jun 19
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The GM Performance 12623852 is an engine coolant crossover pipe gasket designed to seal the bypass housing to the cylinder head. This gasket fits 3.9L engines and may be constructed from fiber or a rubberized composite material. It is specifically noted as being included with the crossover pipe.

Fitment

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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

BrandGM Performance
Part NumberG03V 12623852

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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