Advisory Issued on GP Petrogen 0W-20 Fully Synthetic Engine Oil

GP General Petroleum Petrogen 0W-20 Fully Synthetic Engine Oil

Labeled: API SN/ILSAC GF-5, dexos®1 GEN2
Manufactured By: General Petroleum FZE
Purchased at:

The results of the tests conducted on two samples of this product do not meet the requirements of the stated claim for an API SN, ILSAC GF-5 motor oil, or the General Motor’s dexos®1 GEN2 specification.

The Noack Volatility test result for one sample tested is 36% above the specification of 15% maximum for API SN, ILSAC GF-5, and the second sample tested is 31% above. The samples are 57% and 51% respectively, over the GM dexos® specification for Noack Volatility which has a maximum of 13%.

Further, although the labels on the products tested display the General Motors (GM) dexos® trademark and claim GM approval, the product is not licensed or approved by General Motors as a dexos® motor oil. Only licensed dexos® products have been certified by GM to meet the dexos® specification and display the GM dexos® trademark.


PETROLEUM QUALITY INSTITUTE OF AMERICA SAMPLE SUMMARY/PASSENGER CAR MOTOR OIL Passenger car motor oil is the lifeblood of your engine. In addition to lubricating moving

Read More »


PETROLEUM QUALITY INSTITUTE OF AMERICA SAMPLE SUMMARY FOR ANTIFREEZE & COOLANT Antifreeze/coolant is critical for protecting engines. The primary

Read More »
Would love your thoughts, please comment.x