GM dexos information center

licensed GM dexos™ products 


Specifically designed to meet the needs of GM gasoline engines. dexos1:

  • has improved viscometric properties, creating less friction in the engine which contributes to improved fuel economy.

  • resists aeration, which enables fuel-saving devices, such as Variable Valve Timing, to work optimally

  • offers improved oxidation and deposit-forming tendencies allowing emission systems to operate longer and optimally

  • resists degradation between oil changes, extending the time and mileage interval between oil changes

Look on the front label for any of the logos shown above to identify an authorized, licensed dexos1™ engine oil.

Click on any of the dexos1 logos above to view the list of licensed brands.


 

Specifically designed to meet the needs of GM diesel engines*, dexos2™:

  • protects diesel engines from harmful soot deposits
  • is designed with limits on certain chemical components to prolong catalyst life and protect expensive emission reduction systems
  • is a robust oil, resisting degradation between oil changes and maintaining optimum performance longer

dexos2™ is also the recommended service fill oil for European gasoline engines.

*  Duramax is the exception and requires lubricants meeting CJ-4. 

Look on the front label for any of the logos shown above to identify an authorized, licensed dexos2™ engine oil.

Click on any of the dexos2 logos above to view the list of licensed brands.