Description
Product Overview
Howes Diesel Treat is engineered to be the most reliable solution for diesel fuel protection in harsh climates. Packaged in a compact 15.5 x 11 x 7.97‑inch container, the formula combines a proven anti‑gel blend with high‑performance lubricity enhancers and a specialized detergent package. The additive is compatible with all Ultra Low Sulfur Diesel (ULSD) fuels and meets the stringent requirements of modern diesel engines. Its low‑viscosity base ensures easy mixing, while the formulation remains stable over a wide temperature range, preventing fuel from solidifying even at sub‑zero temperatures. The product carries the model number 103060‑CP and has been a best‑seller in the automotive category since its launch in 2015.
Usage
Designed for diesel‑powered vehicles and equipment, Howes Diesel Treat is ideal for trucks, buses, construction machinery, agricultural tractors, and stationary generators. Apply the recommended dose before the first cold‑weather start or during routine fuel maintenance to create a protective barrier against gelling, water accumulation, and deposit formation. The additive works equally well in high‑altitude environments where temperature fluctuations are common, and it is safe for use in both on‑road and off‑road applications. Users ranging from fleet managers to individual owners benefit from smoother cold starts, reduced injector wear, and longer filter life.

Why Choose Us
Howes has a legacy of over 80 years in fuel system care, and Diesel Treat reflects that heritage through rigorous testing and quality assurance. Each batch is produced in a ISO‑9001 certified facility, ensuring consistent performance batch after batch. The formula is free from harmful alcohols and aggressive solvents, making it safe for seals, hoses, and fuel system components. Independent laboratory analysis confirms that the additive meets ASTM D975 specifications for lubricity and does not adversely affect emissions systems. With a 4.6‑star rating from over 200 verified customers, the product demonstrates real‑world reliability and satisfaction.
Key Features
- Prevents fuel from gelling in temperatures as low as -40°F, ensuring reliable cold‑start performance.
- Enhances lubricity of ULSD fuels, protecting injectors, pumps, and upper cylinder walls.
- Emulsifies and removes water from the fuel system, reducing filter icing and corrosion risk.
- Contains a specialized detergent package that minimizes carbon deposits on injectors and combustion chambers.
- Compatible with all diesel engines, meets ASTM D975 standards, and is safe for seals and hoses.
FAQ
How much Diesel Treat should I add to my fuel tank?
The recommended dosage is typically 1 ounce (30 ml) per 25 gallons of diesel fuel. For extreme cold conditions, you may increase the dose to 1.5 ounces per 25 gallons, but always follow the instructions on the label.
Can I use Diesel Treat with biodiesel blends?
Yes, the additive is fully compatible with biodiesel blends up to B20. It maintains its anti‑gel and lubricity benefits without causing phase separation.
Will the additive affect my vehicle’s emissions system?
No. Howes Diesel Treat is formulated to meet emissions‑friendly standards and does not contain harmful solvents that could damage catalytic converters or diesel particulate filters.
Is it safe to store the product for long periods?
When kept in a cool, dry place away from direct sunlight, the product retains its effectiveness for up to three years from the date of manufacture.
Do I need to drain my fuel tank before adding Diesel Treat?
No. The additive is designed to be mixed directly into existing fuel. Simply add the measured dose, run the engine for a few minutes to circulate, and you’re ready to go.




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