Click the "Online Product Application Guide" logo below to look up AMSOIL Product Information for your car (including vintage cars), light trucks, ATVs, motorcycles,  etc.

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INTERESTING FACTS

About AMSOIL Inc.
A Commitment to Excellence in Synthetic Lubrication.

ExxonMobil Follows AMSOIL into Extended Drain Market

AMSOIL Innovations
Chronological list of AMSOIL product introductions covering 30+ years.

What is a Motor Oil?
Learn about motor oil and oil and air filtration.

AMSOIL and the Environment
Learn about the positive impact using AMSOIL lubricants can have on our environment.

AMSOIL vs. Mobil1 and 9 Others
See how AMSOIL stacks up against 10 other motor oils...

What Does PAO Synthetic Mean

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PAGES OF INTEREST

 

AMSOIL Motorcycle Oil Comparison Tests
Read our new White Paper: "A Study of Motorcycle Oils" The most comprehensive motorcycle oil testing in history. 26 oils compared. 28 pages of documentation. (PDF 2.5MB)

How Automatic Transmissions Work
How hydraulics, mechanics, and electronics team up in a modern automatic transmission.

An Education in Grease
Everything you ever wanted to know about grease.....

See How AMSOIL Greases Compare
AMSOIL Greases were recently tested against the most popular greases. See how they compare to the competition.

What Happens When You Switch To a Synthetic Motor Oil

Diesel Oil Viscosity and Fuel Economy
Learn how AMSOIL 5W-30 HDD can significantly improve fuel economy....and save big money!

What is Meant by Typical Technical Properties
Found on AMSOIL product data sheets

Frequently Asked Questions
Frequently asked questions about synthetic lubricants

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AMSOIL DIVISIONS

 

Altrum Division of AMSOIL Inc.
ALTRUM Nutritional Supplements are your foundation for good health. These products are a powerful line-up of the "World's Best" Multis and Enzymes, Superfoods, A.J.'s Signature Formulas and Technical Supplements. Formulated with the highest-quality ingredients available, each supplement provides the nutrients you may not get through your diet alone.

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In today's environmentally conscious society, AGGRAND offers a safe and cost effective line of natural and organic liquid fertilizers. The products are not only convenient, but they are free of harmful chemicals which makes AGGRAND the ideal choice for agriculture, homeowners, commercial growers, lawn care, and turf professionals who are seeking natural products with proven performance.