Diesel Fuel Polish­ing

AFC-805 Diesel Fuel Catalyst & Tank Cleaning Additive

AFC-805 Diesel Fuel Catalyst & Tank Cleaning Additive for Use in Cold Weather Storage of Diesel Fuel



AFC-805 is a Powerful Full Spectrum Additive that preserves diesel fuel quality.  It has a unique formulation that cleans the inside walls and bottom of fuel storage tanks and eliminates the build up of sludge.  Appropriate for use in diesel, bio-diesel, gasoline, kerosene, and HFO.

An anti-gelling agent is included in the formulation of AFC-805 to lower the cloud point temperature at which wax crystals appear in the fuel.

AFC-805 specifically targets the problems of contaminated fuel systems in storage tanks and deposits in engines, turbines and burners.  AFC-805 lacks the surfactant component that is included in AFC-705, but AFC-805 is Tier-4, Cold Weather, compliant for use in engines that were put in service in 2007 and later.

  • Removes Engine Deposits
  • Prevents Deposit Formation
  • Reduces Fuel Consumption
  • Reduces Emissions – Reduces Harmful Exhaust
  • Enhances the Combustion Process Releasing More Energy
  • Extends Lube Oil Life
  • Extends Equipment Life
  • Enhances Fuel Lubricity
  • Inhibits Corrosion
  • Restores Diesel Fuel Quality
  • Stabilizes Diesel Fuel up to 12 Months
  • Extends DEF and UREA Lifespan

Liquid AFC-805 is sold in 8-oz. bottles that include a built a measure.  It is also available in 1-gallon jugs, 5- gallon pails, and 55-gallon drums.

Dosage:  One gallon treats 5,000 gallons of diesel fuel for ongoing maintenance.  A double dose (one gallon to 2,500 gallons of diesel fuel) is recommended for first-time applications.

AFC Series Additives should be used as part of any preventative fuel maintenance program for both commercial and recreational applications and are EPA registered for on-road and off-road use.

Additional information

Weight .9 lbs
Dimensions N/A
Container Size

8 oz. bottle (AA-0946), 1 gallon jug (AA-0944), 5 gallon pail (AA-0945)

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