Dee-Zol Product Family

Dee-Zol vs. the Competition

Improve Your Diesel Fuel - Treat it with Dee-Zol

Like its sister product for gasoline Mix-I-Go, Dee-Zol has been providing value and solving problems for customers for decades. First developed in 1957, Dee-Zol is the most complete high-quality diesel treatment in the marketplace today.

Whatever kind of diesel engine or vehicle you're treating, the Dee-Zol family of diesel fuel treatments has a solution that's right for you.

How Dee-Zol Stacks Up To The Competition

It's easy to see why Dee-Zol is the best diesel fuel treatment on the market today.


Dee-Zol Concentrate Diesel Treatment

7 products

Dee-Zol Life Fuel Stability Treatment

4 products

Dee-Zol Plus Winter Treatment for Diesel Fuel

4 products

Marine Dee-Zol Treatment for Marine Diesel Fuel

5 products