Pri-D and Pri-G Fuel Treatments

Contact Us

PRI-D Complete Diesel Fuel Treatment


is a super concentrated, complete fuel treatment that improves all diesel fuels, including ultra low sulfur diesel (ULSD). It eliminates slime, sludge and carbon deposits, making your engine perform better and last longer. It reduces fuel gelling and moisture, giving you greater storage stability.


Pri-D, 32 oz.  $36.00

Bottle of PRI-D Complete Diesel Treatment with a black cap, white container, and brown and gold label.

PRI-G Complete Gasoline Fuel Treatment


is a super concentrated, complete fuel treatment that improves any type of gasoline, including the latest E-10 blends. Using PRI-G annually will keep stored gasoline fresh for years! It reduces emissions, inhibits carbon deposits and prevents tank corrosion. Your engine will last longer and you’ll be impressed by the fuel economy.


Pri-G, 16 oz.  $24.00

Pri-G, 32 oz.  $36.00

Two bottles of PRI-G Complete Gasoline Treatment with brown and white labels and liquid.