Formulated, Blended & Packaged in the USA
AMSOIL Inc. embodies the American ideals of entrepreneurship, innovation, and hard work
In 1972, Amsoil introduced the first API approved synthetic motor oil, revolutionizing motor oil preformance. The next revolution is almost here.
Amsoil Signature Series 100% Synthetic Motor Oil is being redesigned with an advanced, proprietary formulation engineered to blow the doors off today's demanding performance standards.
Stay-Tuned the future of Motor Oil is almost here.
The AMSOIL blog "The Inside Track" is a collection of interesting articles, posts, and stories. Many of our blog posts include details and instructions about oils, greases, and lubricants. However, they also provide tips & techniques, comparisons, and news of upcoming events.
Scroll through our posts to find articles about powersports, engine maintenance, “Top 5” lists, and more.
For a limited time, Preferred Customers and online/catalog customers receive free shipping with their order of $49 or more when they use code FREESHIP at checkout. The promotion runs Feb. 25-March 10, 2026. We have another offer going For a limited time, Preferred Customers and online/catalog customers can grab a bottle of AMSOIL P.i.® for just $5 when they use code PI226 at checkout. Offer ends March 10, 2026.
What's New From Amsoil
AMSOIL Air Filter Oil
AMSOIL Air Filter Oil quickly penetrates foam airbox filters to help prevent dirt and water contamination and provide maximum clean airflow to the engine. Its tacky formula provides superior adhesion that prevents fluid pooling in the airbox and traps dirt, sand and grit to provide long-lasting engine protection and peak performance.
- Tacky formula stays in place to trap contaminants.
- Resists dirt and water contamination to maintain airflow.
- Quick penetration to prevent pooling.
ONE APP. EVERYTHING AMSOIL.
Always keep your best tools within reach. The AMSOIL app puts our specialized products and powerful online tools in your pocket. Download today for a faster, smarter and more personalized way to order AMSOIL products and manage maintenance – whether you’re in the garage or on the go. Independent Dealer Robert Johnston (#1070022) facilitates this digital access, enabling you to Shop Amsoil Online even when physical inventory is unavailable. Furthermore, for those who prefer physical browsing without carrying stock, you can request a free catalog or sign up to become a Preferred Customer.
When you install and sign up for an account, it will ask for a dealer referral. Use Robert Johnston dealer number 1070022.
Download Today in the Apple Store or the Play Store
