Diesel Fuel Additives

• Offer valid for AMSOIL Preferred Customers and online/catalog customers.
• Valid through 11:59 p.m. Central June 30, 2026.
• Offer applies only to current orders of $100 or more based on subtotal with savings.
• To redeem, use code DETAIL626 at checkout.
• Code will automatically apply one free 16-oz. (473-ml) bottle of AMSOIL Quick Detailer (QDSCN), if eligible, in cart at checkout.
• Limited to one free 16-oz. (473-ml) bottle of AMSOIL Quick Detailer (QDSCN) with order of $100 or more.
• Offer may be modified or terminated at any time except as prohibited by law.
• Available while supplies last.

Free AMSOIL Quick Detailer with $100 Order

• Offer valid for AMSOIL Preferred Customers and online/catalog customers.
• Valid through 11:59 p.m. Central June 30, 2026.
• Offer applies only to current orders of $100 or more based on subtotal with savings.
• To redeem, use code DETAIL626 at checkout.
• Code will automatically apply one free 16-oz. (473-ml) bottle of AMSOIL Quick Detailer (QDSCN), if eligible, in cart at checkout.
• Limited to one free 16-oz. (473-ml) bottle of AMSOIL Quick Detailer (QDSCN) with order of $100 or more.
• Offer may be modified or terminated at any time except as prohibited by law.
• Available while supplies last.

$5 Microfiber Detail Towel 2-Pack

• Exclusive offer for AMSOIL Preferred Customers and online/catalog customers.
• Valid through 11:59 p.m. Central June 30, 2026.
• Limited to one 2-pack of AMSOIL Microfiber Detail Towels for $5.
• Use code 5TOWEL626 to apply price adjustment, if eligible, at checkout.
• Offer may be modified or terminated at any time except as prohibited by law.
• Offer may be combined with other offers.