Performance You Can Rely On

4+ is a superior-quality line of fuel additives that will reduce downtime and extend the life of your engine & equipment.

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KEEP YOUR FUEL SYSTEM CLEAN

Reduce downtime with the 4+ high concentration solution. It is easy to use, and safe for all engines.

4+ FUEL ADDITIVES

4+ Aqua Tek: Eliminates Water

4+ Aqua Tek: Eliminates Water

$40.01
4+ Arctic: Anti-Gelling

4+ Arctic: Anti-Gelling

From $26.37
4+ Diesel Melt: Emergency Anti-Gelling

4+ Diesel Melt: Emergency Anti-Gelling

From $16.97
4+ Furnasafe: Efficiency for Heating Oil Furnaces

4+ Furnasafe: Efficiency for Heating Oil Furnaces

$36.33
4+ Gasoline: Engine & Fuel System Cleaner

4+ Gasoline: Engine & Fuel System Cleaner

$13.93
4+ Polar Max: Winter Anti-Gel

4+ Polar Max: Winter Anti-Gel

$25.45
4+ Premium: Fuel Treatment for Top Performance

4+ Premium: Fuel Treatment for Top Performance

From $24.97
4+ Super Clean: Anti-Gum

4+ Super Clean: Anti-Gum

$31.43
4+ Sure Shot: Multi-Purpose Premium Treatment Case of 12

4+ Sure Shot: Multi-Purpose Premium Treatment Case of 12

$106.05
4+ Turbocharger Cleaner

4+ Turbocharger Cleaner

$41.95

"WHEN I TRIED THE 4+ FUEL ADDITIVES, I WAS BLOWN AWAY AT HOW WELL THEY WORK. THEY ARE BY FAR THE BEST I HAVE EVER TRIED, AND I’VE TRIED ALMOST ALL OF THE DIESEL ADDITIVES ON THE MARKET."

– CJ Muscha, DAK Diesel LLC

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Diesel Fuel Additives Keep Your Equipment & Fuel System In Top Shape

Percy Hoff, President of DSG Power Systems, owner of the 4+ Fuel Additives brand says that in modern diesel fuel systems, the ultra-low diesel fuel and heat generated by new high-pressure fuel systems cause deposits to form inside injectors. When machinery is stored, these deposits can harden and result in non-start issues or worse… damage to the fuel injection system. A good fuel additive such as 4+ Premium will clean up and refresh your fuel after winter storage and keep your fuel system in top shape during the summer months. 
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