6x ACDelco 10-9129 Dexos 2 SAE 5W-30 Full Synthetic Diesel Motor Oil Duramax

Designed to help provide optimized protection for your vehicle's engine,Premium formula that helps protect against high temperature deposits, such as the formation of sludge and varnish deposits, for additional engine protection Provides engine cleanliness by helping to control thermal breakdown and deposit formation under normal driving conditions,Viscosity: 0W40 and 5W30 ACDelco GM Original Equipment parts are designed, engineered and tested to rigorous standards, and are backed by General Motors,engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle regularly updates production and service part designs to integrate new materials and technologies