2024 6.6 Duramax Oil Capacity. Tell customer to come back in another 12,000 miles at which point they'd get a complete oil change. The l5p duramax diesel can be found in 2017 to current model year chevrolet silverado 2500hd/3500hd and gmc sierra 2500hd/3500hd pickup trucks.
2 of mine run delo 5w40 year round and the newest one i’m trying the ultra low ash delo 600 adf 15w40. At that time, replace oil filter and top off oil level.