Chevy Duramax Oil Type. The charts listed below are based off of gm’s recommended l5p duramax maintenance and service schedule. We give you service schedules for normal and severe use, fluid capacities, and a complete list of recommended filters, engine oils, and fluids to use.

Introduced in the 2019 model year, the inline six 3.0l duramax was offered by gm to offer a diesel option in they’re lighter duty full size trucks, along with getting great mpg, the maintenance is also simple. Check the owner’s manual or consult with a gm dealer to determine the factory oil used in your specific vehicle.