Power big savings with Preferred Customer Membership

Amsoil Preferred customers enjoy savings up to 25% on every order, get free shipping on orders over $100,  get exclusive promotions, and more. Sign up today to start saving on your next orders. 

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.