Copper Downpipe Gasket For Grand National – Integrated Wastegate, Like Factory Turbo

This is a heavy-duty copper downpipe gasket built for the Buick Grand National, featuring an integrated wastegate design just like the factory turbo setup.

It’s made by Gbodyparts right here in the USA and is designed to handle the heat and pressure of your turbocharged V6.

The part number is G00-PEN-S09-WGDPG, and it crosses with SCE 4172 and other OE numbers.

It’s brand new, in its original packaging, and comes with a 1-year warranty.

There is a Prop 65 warning because it contains lead (like many metal gaskets), but that’s standard stuff.

If you’re replacing a leaky exhaust gasket or building a fresh motor, this copper gasket will seal things up tight and last.

Perfect for GN, T-Type, and other turbo Buick builds.