Bell Performance

Diesel Fuel Treatments

Since 1954, Bell Performance has developed commercial-grade diesel fuel treatments that help solve the most common problems affecting diesel fuel quality, engine performance, and stored fuel reliability.

Whether you're maintaining a single pickup truck, managing a commercial fleet, operating heavy equipment, or protecting long-term fuel storage, you'll find a solution designed for your application. This collection includes multifunction fuel treatments, cetane improvers, fuel stabilizers, anti-gels, lubricity improvers, water-control treatments, injector cleaners, biocides, and other specialty products that help keep diesel fuel clean, stable, and performing at its best.

Find the Right Solution

Not every diesel fuel problem requires the same treatment. Some products are designed for everyday performance and preventative maintenance, while others address specific issues such as water contamination, microbial growth, fuel degradation during storage, injector deposits, inadequate lubricity, or cold weather gelling.

If you're not sure which product is right for your application, we're happy to help.

Contact the Bell Performance technical team for personalized recommendations based on your equipment, fuel type, storage conditions, and operating environment.

Dee-Zol Concentrate Diesel Treatment

Dee-Zol Concentrate Diesel Treatment Dee-Zol Concentrate is a professional-grade, multifunction diesel fuel treatment that cleans fuel systems, improves combustion, restores lubricity, stabilizes fuel, controls residual water, and increases diesel fuel cetane for year-round engine performance and protection.

Dee-Zol Plus Winter Treatment for Diesel Fuel

Dee-Zol Plus Winter Treatment for Diesel Fuel Dee-Zol Plus is a professional-grade multifunction diesel fuel treatment that delivers all the performance and maintenance benefits of Dee-Zol Concentrate with the added advantage of built-in cold weather anti-gel protection.

Bellicide Biocide Treatment

Bellicide Biocide Treatment Bellicide is a professional-grade, broad-spectrum fuel biocide that eliminates and controls microbial contamination in stored fuels. Active in both the fuel and water phases, it kills bacteria and fungi at the source to help protect fuel quality, prevent corrosion, and improve long-term storage reliability.

Cold Weather Fuel Bundle #2

Cold Weather Fuel Bundle #2 Stay prepared for winter with Bell Performance's Cold Weather Fuel Bundle. You'll receive two 32 oz. bottles of Dee-Zol Plus for season-long diesel fuel protection, plus one FREE 32 oz. bottle of Quick Thaw emergency diesel rescue treatment.

DFS Plus

DFS Plus DFS Plus is a professional-grade fuel water control treatment formulated to absorb and disperse residual water in diesel, gasoline, and ethanol-blended fuels. It helps protect fuel quality, improve storage stability, and reduce water-related fuel system problems.

Dee-Zol Life Fuel Stability Treatment

Dee-Zol Life Fuel Stability Treatment Dee-Zol Life is a professional-grade diesel fuel stabilizer that helps preserve fuel quality during storage by slowing oxidation, reducing degradation, and maintaining the properties needed for reliable engine performance when fuel is returned to service.

Diesel Gel Defense Antigel for Diesel

Diesel Gel Defense Antigel for Diesel Diesel Gel Defense is a professional-grade anti-gel treatment that helps prevent diesel fuel gelling, improves cold-weather fuel flow, and keeps diesel engines operating reliably in low temperatures.

Engine Flush

Engine Flush Bell Performance Engine Flush is a professional-strength crankcase cleaner that helps dissolve sludge, varnish, and engine deposits before an oil change, leaving the lubrication system cleaner and better prepared for fresh oil. Includes two 8 oz. treatment bottles.

Injector Cleaner

Injector Cleaner Bell Performance Injector Cleaner is a concentrated one-dose fuel system cleaner for gasoline and diesel engines. It removes injector deposits and fuel system buildup to help restore proper fuel delivery, improve engine performance, and promote cleaner combustion. Includes two 8 oz. treatment bottles.

Lube-Pro

Lube-Pro Lube Pro is a professional-grade diesel fuel lubricity improver that helps protect injectors, fuel pumps, and other precision fuel system components by improving the lubricating properties of modern diesel fuel.

Quick Thaw Restoring Treatment for Gelled Diesel Fuel

Quick Thaw Restoring Treatment for Gelled Diesel Fuel Quick Thaw is a professional-grade emergency diesel fuel rescue treatment designed to restore fuel flow after diesel fuel has gelled. It works quickly to break down wax crystal blockages, helping get diesel engines back in service after cold-weather shutdowns.

Super-Tane Cetane Improver

Super-Tane Cetane Improver Super-Tane is a concentrated diesel cetane improver that raises cetane levels by 4 to 8 points in most diesel fuels, helping engines start easier, run smoother, and deliver improved performance through more efficient combustion.