PQIA Viscosity Quick Reference Guides

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While you are free to print a copy of PQIA QuickReferences, please respect the intellectual property and copyright rights of the Petroleum Quality Institute of America by maintaining the guides in their original form. Those who wish to use the guides in a commercial fashion must receive written consent from PQIA prior to commercial use. Any commercial use of the guides without prior consent is a violation of United States and International copyright law.


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

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

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