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Diesel Formula Fuel Stabilizer & Performance Improver - 32oz
STA-BIL Diesel Formula Fuel Stabilizer is a diesel additive that keeps fuel fresh for quick, easy starts and maximized for engine performance. Designed for use with all diesel engines, and all diesel fuels, Sta-Bil Fuel Stabilizer – Diesel formula prevents sludge and sediment formation, cleans and lubricates fuel injectors to improve performance and helps remove water. It is safe to use and recommended for use at every fill up, with the 32 ounce bottle treating up to 320 gallons of fuel.
BOTTLE DIRECTIONS:
To measure small quantities of this diesel fuel additive: remove small cap and seal (on long neck) squeeze bottle to desired level, and pour. To measure large quantities of fuel treatment: remove large cap and seal, pour (measurements on bottle side).
USAGE DIRECTIONS:
For in-season use: 1 oz. (30mL) treats up to 10 gallons (38L) of fuel. For storage: Use 1 oz. (30mL) to 5 gallons (19L). DO NOT OVERTREAT. Diesel Formula STA-BIL® is recommended for use AT EVERY FILL UP for year round protection. Product does not contain alcohol.
Features:
WARNING: This product can expose you to chemicals including benzene which is known to the State of California to cause cancer, birth defects or other reproductive harm, and Toluene which is known to the State of California to cause birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.
Specifications:
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Yes — we are an authorized US dealer for 300+ marine electronics brands. Every order ships with the manufacturer’s full warranty.
Yes. Our products are designed for both seasoned boaters and first-time owners. Each unit ships with a manufacturer manual, and we’re happy to answer setup questions over email.
Yes. Marine electronics are engineered for saltwater spray, vibration, and weather. Check the product specs for IPX waterproof rating and saltwater certifications.
Rinse with fresh water after saltwater exposure, store in a dry place, and follow your manufacturer’s cleaning and storage instructions.
Yes — we carry replacement parts, mounts, transducers, cables, and accessories for the brands we stock.
Every product ships with the original manufacturer’s manual. Digital copies and detailed installation guides are typically available on the brand’s website.
Yes — every order includes the full manufacturer warranty. Coverage length varies by brand (typically 1–3 years for Garmin, Lowrance, Raymarine, Simrad, Humminbird, Furuno, and others).
Register directly with the manufacturer using your unit’s serial number. Manufacturer registration is the fastest path to warranty support if you ever need it.
Defects in materials and workmanship under normal use. Damage from impact, improper installation, or saltwater corrosion (without protection) may be excluded. Check brand-specific terms in your unit’s documentation.
Some manufacturers offer extended-coverage programs through their registration portals. We don’t sell third-party warranty programs.
Orders placed before 4pm EST Monday–Friday ship the same business day via UPS from our NJ or FL warehouses. Continental US delivery typically takes 3–7 business days for Economy.
Yes — we offer volume pricing for fleet operators, marinas, dealers, and commercial customers. Email support@marineelectronicsdepot.com with your needs.
Email support@marineelectronicsdepot.com or call during business hours (Mon–Fri 9am–5pm ET). We’re happy to help with pre-purchase questions, order status, or post-sale support.
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