OIL CAPACITY- OIL TYPE - VISCOSITY

Helpful Information for 2001-Current  Duramax owners

Trucks driven primarily in colder weather conditions, below 0 degrees F, can substitute the 15w-40 viscosity for 5w-40. Synthetic oils can be used as long as they are the correct viscosity.

DmaxStore recommends Chevron Delo 15w-40 oil for LB7 and LLY engines, Mobil1 Delvac 15w-40 oil for LBZ, LMM, LML, and L5P engines, and ACDelco 0w-20 DexosD oil for LM2 and LZ0 engines. 

Oil Capacity 10 quarts / 2.5 gallons
Viscosity 15w-40
Oil Filter for 2001-2019 Model Years (6.6L Only) ACDelco PF2232
Oil Filter for 2020-2023 Model Years (6.6L Only) ACDelco PF26
Oil Filter for 2024+ Model Years (6.6L Only) ACDelco PF63
Oil Filter for 2019+ Model Years (3.0L Only) ACDelco PF66

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