2024 Duramax Oil Capacity. The 6.6 liter duramax oil capacity is 10 quarts โ a massive amount of oil. Acdelco oil filter is suggested but other aftermarket options are available as well.
Revised oil passages include a dedicated turbocharger oil supply circuit for improved lubrication and turbocharger. Tell customer to come back in another 12,000 miles at which point they’d get a complete oil change.