2024 6.6 Duramax Oil Capacity. Increased engine oil flowrate with piston cooling jets that flow 50% more oil than the 6.6l duramax lml. Tell customer to come back in another 12,000 miles at which point they'd get a complete oil change.

6.6l duramax oil change guide, including motor oil requirements (viscosity charts and api categories), engine oil recommendations, oil change procedures, service intervals, and a list of relevant replacement parts. The oil capacity of the 6.6 duramax engine is 10 quarts, including the oil filter.