Fits: 2006 thru 2016 Chevy Silverado/GMC Sierra 2500HD/3500HD LBZ/LMM/LML Duramax Diesel

Glow plugs are one of the most important components when trying to start a diesel in cold weather. Worn or inoperative glow plugs can cause a hard start or even check engine lights on today's newer trucks.

Includes:

• (8) GM Glow Plug, Part# 12639701

Replaces Part#:

• ACDelco 9G