DFT 12oz sm R 12 oz DIESEL FUEL SYSTEM TREATMENTProlong Super Duty Diesel Fuel Treatment contains premium detergents to clean injectors and the entire fuel system. It also provides protection against corrosion, decreases black smoke, and helps reduce sludge build-up to enhance performance and fuel economy. Increased fuel lubricity helps protect against premature pump and injector wear. Meets L-10 diesel fuel additive specifications for injector cleanliness. Meets Cummins N-14 diesel fuel additive specifications for corrosion protection with low and high sulfur fuels.



[wptabtitle] Product Overview[/wptabtitle]


  • Helps improve mileage and performance
  • Cleans and lubricates injectors for optimum efficiency
  • Keeps entire fuel system clean and free of gum and deposits
  • Helps maintain emission compliance

MSDS: Download Fast Fuel™ Diesel Fuel Treatment Material Safety Data Sheet (MSDS)


[wptabtitle] How to Use[/wptabtitle]


FuelTreat HowTo 12 oz DIESEL FUEL SYSTEM TREATMENTFor best results, wait until fuel tank(s) are nearly empty. Apply by pouring directly into fuel tank, then fill with fuel.

Treats 16-20 gallons of fuel.


[wptabtitle]Available sizes[/wptabtitle]


  • 12 oz. Bottle




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