2024 Duramax Oil Capacity. 6.6l duramax l5p maintenance schedule and service information, including service part numbers, oil and fluid specifications, and fluid capacities. Enter your engine rpo (lb7, lly, lbz, lmm, lml, l5p) to see detailed fluid capacities and specifications.
Duramax’s are easy on oil. You can also visit our fluid capacity & recommendations for the l5p resource to find out what type of fluid and oil you need.