THE PETROLEUM QUALITY INSTITUTE OF AMERICA​

The independent resource for information and insights on the quality and integrity of lubricants in the marketplace

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THE PETROLEUM QUALITY INSTITUTE OF AMERICA​

The independent resource for information and insights on the quality and integrity of lubricants in the marketplace

Menu

The PQIA Resource Center is here for consumers and others to learn about lubricants, specifications, certifications, and other information to help in making the appropriate choices when purchasing motor oil, automatic transmission fluid, antifreeze/coolant, and other lubricants. Please visit the Resource Center regularly as we will be adding to it on an ongoing basis. 

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Know the Basics

Read the Labels on Motor Oil Before You Buy

Know how to read the labels and what to look for on both the front and back labels of the motor oil you buy, or you may be using product that can cause unsatisfactory performance or damage to your engine. The following are some key items to look for on motor oil labels and to

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Read the Labels on Motor Oil Before You Buy

Know how to read the labels and what to look for on both the front and back labels of the motor oil you buy, or you may be using product that can cause unsatisfactory performance or damage to your engine. The following are some key items to look for on motor oil labels and to

Read More »

Quick Reference Guides

PQIA Quick Reference Guides cover a variety of oil motor oil, transmission fluid, and coolant topics. They are presented in a handy format ideal for those who both sell and buy lubricants. Written by recognized experts, the guides provide fundamental information on specifications, testing, and other topics. The guides are also available on the PQIA website and new guides will be added.

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.