Schaeffer’s 707 also provides excellent oxidation resistance, thermal stability, and resistance to viscosity breakdown for consistent performance throughout the service interval. Schaeffer's Lubricants sold and listed by Doxa-Worldwide.
Duragard Diamond Plate Synthetic Blend CK-4 SAE 15W-40 Engine Oil is a new formula that is specifically engineered for use in mixed fleets, gasoline and diesel.
