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.
Shop NowKEEP 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+ Arctic: Anti-Gelling
From $25.35
4+ Diesel Melt: Emergency Anti-Gelling
From $15.43
4+ Premium: Fuel Treatment for Top Performance
From $24.25
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
