Fuel Instability

Premium Diesel Fuel Stabilizers to Prevent Fuel Instability

At Fuel Ox, we understand how vital your fuel system is to the performance and longevity of your equipment, vehicles, and heating systems. That’s why we offer a line of advanced diesel fuel stabilizers designed not only to prevent fuel oxidation but also to improve combustion, reduce maintenance costs, and boost overall efficiency.

With proprietary technologies and a commitment to environmental sustainability, our additives serve a wide range of industries, climates, and equipment types. From bio-blend heating oil systems to industrial diesel engines, Fuel Ox has a solution for your fuel stability needs.

Enhancing Combustion & Performance in Diesel Engines

Our Fuel Ox® with Combustion Catalyst formula is one of the most powerful fuel stabilizers available. This proprietary additive isn’t just about stabilization, it’s engineered to completely transform how your diesel burns. By improving combustion efficiency, it helps your engine extract more energy from every drop of fuel.

Our patented combustion catalyst modifies burn rate and promotes complete fuel combustion. The result? You get better fuel economy, significantly fewer diesel particulate filter regenerations, and cleaner exhaust. Plus, sensors, EGR coolers, and valves stay cleaner longer, which means fewer service calls and lower emissions system maintenance. It even includes a maintenance level biocide to prevent microbial growth in tanks, a common cause of sludge and corrosion.

Used in diesel trucks, ships, heavy machinery, trains, and other internal combustion engines, this additive helps operators worldwide reduce downtime, extend injector life, and lower DEF usage by 15–20%.

Winter Heating Oil Protection

If you’re dealing with heating oil tanks, our Fuel Ox® Heating Oil Treatment is your go-to diesel fuel stabilizer to prevent fuel oxidation and sludge buildup. Bio-blend fuels tend to degrade quickly, especially when exposed to temperature swings and moisture, leading to corrosion and gummed-up fuel system components.

This treatment keeps fuel stable during storage and use, helping your equipment run more efficiently through the winter. It also combats acidity caused by oxidation, a leading factor in seal deterioration and system clogs. By using Fuel Ox® Heating Oil Treatment regularly, you protect both your fuel and your heating system from costly breakdowns and inefficiencies.

Outdoor and Winterized Additives for Bio-Blends

Our Fuel Ox® Star Plus™ Bio additive is engineered specifically for bio-blend fuels (B-20 and higher) used in both indoor and outdoor heating oil tanks. With winter coming, fuel oxidation and filter clogging due to cold temperatures can cripple your system’s performance. That’s why this diesel fuel stabilizer goes beyond traditional treatments by lowering the Cold Filter Plugging Point (CFPP) significantly.

It prevents ice formation, sludge buildup, corrosion, and microbial contamination, all while preserving the chemical stability of bio-blend fuels. It’s the ideal solution for customers running sustainable heating systems who don’t want to compromise performance or reliability during the colder months.

Year-Round Protection for Heating Oil and Biofuel Storage

Fuel Ox® Star Plus™ delivers year-round protection for heating oil systems, whether stored inside or out. Its multi-function formula stabilizes fuel, combats oxidation, and reduces the risk of sludge, ice, corrosion, and water contamination. Especially in winter, when bio-blends degrade faster and clog internal fuel components, using this additive can prevent unexpected service calls and preserve fuel quality.

Fuel Ox Solves Problems That Others Overlook

Unlike conventional stabilizers, all Fuel Ox additives are crafted with a bigger purpose in mind. Our products are designed to protect your machines, improve efficiency, and reduce your carbon footprint. We serve customers around the world and offer international shipping on all orders, big or small.

• Founded in 2014 with a mission to blend performance and sustainability
• Designed for industrial, agricultural, municipal, and consumer use
• 30-day return window and store credit policy after 30 days

Whether you’re a local farmer, truck operator, municipal fleet manager, or construction business, Fuel Ox brings advanced, field-tested solutions that help reduce costs and extend equipment life.

The Bottom Line: Stop Fuel Oxidation Before It Starts

When it comes to diesel fuel stabilizers, prevention is always more affordable than repairs. Oxidized fuel leads to gunked-up systems, part failures, poor efficiency, and unplanned downtime. Whether you need to stabilize diesel in off-road vehicles or heating oil in storage tanks, Fuel Ox offers proven products that prevent oxidation while delivering powerful performance benefits.