Much more than a simple additive, 4+ is a diesel fuel treatment that enhances engine performance and reduces fuel costs by focusing on eliminating the negative effects of Ultra Low Sulfur Diesel, Biodiesel and High Pressure Fuel Injection.
Maintaining cleanliness is a major consideration if you own or operate diesel equipment. Here you will find advanced filtration and storage tank cleaning tools.
Discover the innovative FMZ that reduces fuel economy by interacting with vehicle load. Thousands of units sold and independent testing prove that the FMZ saves an average of 5% on fuel costs, and pays for itself in less than a year. An absolute must for diesel hybrids.