OEM Freeze Plug

Fits 2001-2016 Chevy/GMC 2500/3500 HD

Part# 94399639

This is a Genuine GM OEM Duramax Freeze Plug for the best fit, avoid leaking with poor quality aftermarket plugs as they do not seal as tightly as the factory plugs do. There are 7 freeze plugs required for each Duramax engine.