GM dexos1™ oils are robust durable high-performance lubricants which enable modern, fuel efficient gasoline engines to reach peak efficiency.

GM dexos1™ oils are typically low HTHS SAE 0W-20, 5W-20, 0W-30 and 5W-30 based on API Group II, Group III or Group IV base oils.

The main physical and chemical requirements for GM dexos1™ oils are shown below:

Requirement Method Unit Limit
HTHS viscosity CEC L-36-A-90 cP ≥ 2.6 (0W-20, 5W-20)
≥ 2.9 (0W-30, 5W-30)
Sulphated Ash ASTM D874 %wt ≤ 1.0
Phosphorus ASTM D4951 mg/kg < 850
Sulphur ASTM D4951 mg/kg < 4500
Evaporation loss (NOACK) CEC L-40-A-93 % ≤ 13.0
Total Base Number ASTM D2896 mgKOH/g ≥ 6.0

GM dexos1™ is usually coupled with API SN PLUS, API SN and ILSAC GF-5.

For more information on GM dexos1™ oils, contact your Lubrizol representative.