2024 6.6 Duramax Engine Oil Capacity. You will need 10 quarts of oil for this engine. If you want to monitor your oil you can send a.
If you don’t hit the mileage requirements, check your owner’s manual for the specific time period in which you should change your fluids and filters. 6.6 l duramax engine oil capacity the duramax engine has a maximum capacity of 9.2 quarts without the filter being replaced, and with an improved one it can go up to 10.2 quarts.