Quickly disperses moisture and dissolves gum, varnish, and other fuel residues from the entire fuel system, fuel tank, fuel lines, fuel injectors, valves, rings and pistons with H.E.S.T. Regular use ensures higher compression, fewer repairs, lower operating costs, and increased spark plug and injector life. Available in both consumer and commercial sizes. Catalytic converter and oxygen sensor-safe.
HEST - “High Energy Solvent Technology,” a Berryman exclusive, incorporates the use of strong solvents, as opposed to weak carriers and diluents such as mineral spirits or kerosene. As a “tip of the cap” to our HEST technology, positive feedback regarding any of our products is affectionately referred to as a HESTimonial.
- Dirt bike
- Jet Ski
- Moto Home
- Push Mower
- Race Car
- Repair Shop
- Riding Mower
Diesel Kleen® +Cetane Boost® is the premier “performance” product on the market. Diesel Kleen® is loaded with cetane, detergency and lubricity additives to keep your diesel engine running at peak performance.
If you are looking for an antigel, Diesel Fuel Supplement® +Cetane Boost® is the product you should be using. Like Diesel Kleen®, Diesel Fuel Supplement® contains a cetane and detergency package. However, it is not as concentrated as Diesel Kleen® to allow for the superior antigel in Diesel Fuel Supplement®.Learn More
Diesel 9·1·1® is the product diesel-engine operators call on when they have a winter diesel fuel emergency.
- Treats 30-75 Gallons
- Ultra Low Sulfur Diesel (ULSD) Compliant — contains less than 15 parts per million (ppm) sulfur
- Effective in all diesel fuels, including ULSD and biodiesel blends containing up to 20% biodiesel (B20)
- De-ices frozen fuel-filters — no requirement to change fuel-filters
- Prevents fuel-filter icing
- Reliquefies gelled fuel in minutes — no tow truck needed
- Removes water from fuel system — extends life of fel-filters, fuel-injection pumps and fuel injectors
- Contains Slickdiesel® for maximum fuel lubrication — protects fuel injectors and pumps against Low and ULSD wear