Duramax 3l Oil Capacity 2024. This kit we put together comes with the proper amount of oil needed and the oem replacement oil filter to get the. Oil pressure is between 19 and 21 psi once in a while it will jump to 37 but drop right back down to 19 regardless of engine temp.

Duramax’s are easy on oil. It applies to every single 2023 and prior gm vehicle under 8500 gvw.