AR6400 Fuel System Cleaners


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Archoil’s high concentrate fuel system cleaners (AR6400-D for diesel and AR6400-G for gasoline) are designed to restore and maintain maximum performance and fuel economy.

Even a brand new vehicle’s performance will decline if not regularly treated with a fuel system and engine cleaner.

For Diesel Engines

AR6400-D is formulated to clean diesel engines and fuel systems. Use AR6400-D every 5,000 miles or every oil change to maintain a clean diesel fuel system and engine.


  • Optimized for diesel engines
  • Cleans fuel system and injectors
  • Reduces combustion chamber deposits
  • Removes soot deposits from DPF/EGR/Turbo
  • Restores optimum power and fuel efficiency