Keeps Diesel Fuel Fresh up to 12 Months : Diesel engines are built for durability, but the fuel that powers them can degrade over time. Thatβs why using a diesel fuel stabilizer is essential for maintaining peak performance. STA-BIL Diesel Formula keeps your diesel fuel fresh for up to 12 months, preventing oxidation, sludge buildup, and microbial growth. Whether itβs a truck, generator, or farm equipment, this formula ensures that your diesel engines are always ready to start and run efficiently.

Why Diesel Fuel Goes Bad
Over time, diesel fuel reacts with air and moisture, forming sediments that can clog filters and damage injectors. STA-BIL Diesel Fuel Stabilizer stops this process by creating a protective barrier that keeps your fuel system clean and stable. This prevents costly repairs and keeps your machinery in working condition throughout the storage season.
Key Benefits of STA-BIL Diesel Fuel Stabilizer
- Keeps diesel fresh for up to 12 months
- Prevents sludge and microbial growth
- Improves combustion efficiency
- Safe for all diesel engines, including modern ones with DEF systems
How to Use Diesel STA-BIL
Simply add the recommended amount before filling your tank. For best results, run the engine for 5β10 minutes after treatment to circulate the stabilizer. The formula works effectively in vehicles, tractors, trucks, and backup generators.
Also Check :Β How to Clean Fuel Injectors β Easy Guide
FAQs on Diesel Fuel Freshness
Q1: How long does STA-BIL Diesel keep fuel fresh?
A: It keeps diesel fresh for up to 12 months.
Q2: Is it safe for all diesel types?
A: Yes, itβs compatible with ultra-low sulfur and biodiesel blends.
Q3: Can it prevent microbial growth?
A: Yes, the stabilizer reduces moisture that promotes bacteria and fungus.
Q4: Does it work in cold temperatures?
A: Absolutely. It improves stability even in freezing winter conditions.