Official Duramax 3.0L I6 GM Specs

[BoostN]

3.0L I6 Duramax
0w-20 Oil (DexosD spec) - Currently only ACDelco and Mobile Super 3000 ex2 meet this! (as of 8/3/19)
PF66 - Spin on oil filter , 7 qt capacity total for engine.
TP1016 Fuel Filter
150K miles, or 15 year oil pump belt change per the owners manual.

 

[Neurobit]

Good info. On the LZ0, the oil pump belt change interval has been increased to 200k miles.

Cheers,