Total Diesel Engine Performance and Protection 

Dieselex Gold and Suprex Gold ESP have their own unique benefits that power and protect diesel engines. When used together they achieve the FS Gold Standard, maximizing the power, efficiency, and total engine protection you require.

We had the opportunity to dismantle and examine a Cat C15 powerhouse engine that used Dieselex Gold and Suprex Gold ESP for 10 years and one million miles. See the results for yourself below.