Schaeffer's Synshield Durability Advantage CK4 15W-40 Heavy Duty Diesel Oil - 1 Gallon

Excellent wear protection during severe operating conditions 15W-40 Oil durability: strong oxidation and viscosity control with less oil consumption Better contamination control with superior soot-busting, deposit-dispersing capability Strong stay-in-grade performance throughout the life of the oil Friction modified with micron moly and penetrate