2024 Duramax Oil Capacity. If you own a duramax engine, it’s essential to know which type of oil your vehicle needs. That’s easy, just follow our comprehensive guide to 6.6l lb7 duramax maintenance.

If you own a duramax engine, it’s essential to know which type of oil your vehicle needs. I have done probably six oil changes on my ’17 duramax, and it takes exactly 10 1/2 quarts to be at the top of the crossmarks on the dipstick.