guaranteeIf you don’t save more than you paid for DieselFusion or PetrolFusion, we will refund 100% of your purchase price.

We stand behind our product! If you do not save more by using DieselFusion or PetrolFusion than it cost you to purchase the product, we will refund to you the purchase price of the product. For a refund, simply send any unused product and a copy of your receipt to:

NanoFusion International Ltd
ATTN: Refunds and Returns
172 Williamson Rd #5091
Mooresville, NC 28117

* Results can vary depending on total engine and age, temperature conditions, barometric variations, proper maintenance and other factors. Some engines will take longer to show positive results than others because of pre-existing deposit build-up.