Fits: 2001 thru 2016 Chevy Silverado/GMC Sierra 2500HD/3500HD LB7/LLY/LBZ/LMM/LML Duramax Diesel

OEM replacement GM air filter indicator grommet for the intake system. Cracked and damaged grommets can cause check engine lights and driveability concerns. Replace it with a quality OEM part.