2024 6.6l Duramax Oil Capacity. The l5p duramax diesel can. It's time for the first oil change on the 2024 denali ultimate 3500 hd.

It’s a bit dirty, but everyone can handle it. Whether it’s extreme temperatures, long commutes, towing, hauling, the added stress of a turbocharger or you’re simply extending the time between oil changes, our motor oils.