Genuine GM Air Filter

Fits 2017-2019 Chevy/GMC 2500/3500 HD L5P Duramax Diesel

GM Part# 84850016 replaces 84262965
AC Delco Part# A3257C replaces A3231C

Clean air is extremely important for a turbo diesel truck and filters should be checked often and replaced as necessary, dirty filters will cause air restriction and may cause excessive black smoke from the tail pipe under acceleration. This is the Genuine GM Filter and is what comes installed from the factory.