10 Best fuel stabilizers of 2025

Save up to 26% off

Best Choice

1

Ethanol Shield

Ethanol Shield Fuel Stabilizer, 24 oz (2 Pack)
9.9

Exceptional

Our Rating
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Value for Money

2

STA-BIL
STA-BIL 32 oz Fuel Stabilizer ( pack of 2 )
Main highlights

Fuel Freshness and Maintenance
Keeps stored fuel fresh and prevents gum and varnish.

Ideal for Long-Term Storage
Perfect for storing engines without draining fuel.

Highly Trusted by Users
Praised for reliability and effectiveness by long-time users.
9.7

Exceptional

Our Rating

9.9
Simple to use

9.5
quality of ingredients

8.2
worth the money
3

STA-BIL
STA-BIL Fuel Stabilizer - 16oz
Main highlights

Preserves Fuel Freshness up to 24 Months
Keeps fuel fresh for up to 24 months, preventing degradation and ensuring quick, easy starts for stored vehicles and equipment.

Ideal for Seasonal Equipment Storage
Perfect for storing gasoline in lawnmowers, generators, boats, and recreational vehicles, protecting the fuel system from corrosion and degradation.

Highly Praised for Easy Engine Starts
Customers frequently commend the product for ensuring engines start smoothly after long storage periods, enhancing reliability and performance.
9.6

Exceptional

Our Rating

9.7
Simple to use

9.5
worth the money

9.5
Stability
4

Outdoor Gear & Hardware
STA-BIL 22208 Fuel Stabilizer - 8 oz. Size: 8 Fl. oz., Model: 22208, Outdoor/Garden Store, Repair & Hardware

25% Off
Main highlights

Keeps Fuel Fresh
Keeps fuel fresh for up to 24 months during storage.

Ideal for Seasonal Equipment
Perfect for riding mowers and classic cars stored in winter.

Prevents Carburetor Issues
Helps prevent carburetors from gumming up, praised by users.
9.3

Excellent

Our Rating

9.9
worth the money

9.9
Simple to use

9.9
Comfort
5

Gold Eagle
STA-BIL FUEL STABILIZER (4 OZ), Manufacturer: GOLD EAGLE, Manufacturer Part Number: 22204-AD, Stock Photo - Actual parts
Main highlights

Long-lasting Fuel Protection
STA-BIL Fuel Stabilizer ensures fuel freshness for up to 24 months, preventing corrosion and gum formation.

Ideal for Seasonal Equipment
Perfect for storing lawnmowers, snowblowers, and generators, maintaining their readiness and performance.

Highly Rated for Effectiveness
Customers frequently praise its reliability in keeping engines running smoothly.
9.2

Excellent

Our Rating
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6

STAR BRITE
STAR BRITE Star Tron Enzyme Fuel Treatment - Concentrated Formula 32 Fl. Oz. – Treats up to 512 Gallons - Fuel Stabilizer & Treatment, Gasoline Stabilizer, Star Tron Marine Enzyme Fuel Treatment
Main highlights

All-Engine Fuel Solution
Works in all engines and fuels, ideal for vehicles and tools.

Ethanol Problem Solver
Prevents and cures ethanol-related issues, ensuring better performance.

Highly Praised for Reliability
Customers appreciate its effectiveness in preventing fuel-related problems.
8.9

Very Good

Our Rating

9.3
worth the money

9.1
distance
7

STA-BIL
STA-BIL (22239) 360 Marine Ethanol Treatment and Fuel Stabilizer - Prevents Corrosion - Helps Clean Fuel System For Improved In-Season Performance -Treats Up To 80 Gallons, 8 fl. oz.

10% Off
Main highlights

Complete Fuel System Cleaner
STA-BIL 360 Marine cleans from injectors to pumps, removing water and corrosion.

Ideal for Marine and Small Engines
Perfect for boats, jet skis, and lawn equipment in moisture-prone environments.

Highly Praised Performance
Customers love its reliability in preventing fuel issues and enhancing engine performance.
8.8

Very Good

Our Rating

9.7
Simple to use

9.5
worth the money

9.5
quality of ingredients
8

STA-BIL
STA-BIL In-Season Protection Fuel System Treatment | Full Protection Fuel System Cleaner, Injector Cleaner, Increases MPG, Prevents Corrosion, 32 Fl. Oz.

26% Off
Main highlights

Complete Fuel System Cleaner
STA-BIL 360 Protection cleans fuel injectors, pumps, removes water, gum, varnish, and prevents corrosion, keeping your fuel system healthy and efficient.

Ideal for Long-Term Fuel Storage
Perfect for maintaining lawn equipment, generators, and seasonal vehicles by keeping ethanol-blended fuels fresh for up to 12 months and preventing fuel-related issues.

Consistent Engine Performance
Customers frequently praise STA-BIL 360 Protection for ensuring engines start quickly and run smoothly, even after prolonged storage periods.
8.6

Very Good

Our Rating

9.9
Stability

9.7
For small areas

9.7
Simple to use
9

STAR BRITE

Star Tron Stabilizer+ Fuel Storage with Corrosion Protection - Treats 40 Gallons of Gas- 8 OZ (14808)
8.4

Good

Our Rating
10

STAR BRITE
STAR BRITE Star Tron Enzyme Fuel Treatment, Small Engine Formula, 8 Fl Oz – Treats up to 48 Gals – Gas Additive Rejuvenates & Stabilizes Old Gasoline, Cures & Prevents Ethanol Problems (14308) , Blue

16% Off
Main highlights

Enhanced Engine Performance
Star Tron Enzyme Fuel Treatment uses advanced enzyme technology to ensure all engines start easily and run smoothly, even after months of inactivity.

Versatile Application
Ideal for use in cars, boats, RVs, lawn mowers, and all other engines and fuel types, making it a versatile fuel treatment and stabilizer.

Reliable Fuel Stabilization
Customers frequently praise its ability to stabilize fuel for up to 2 years, ensuring engines start easily even after long periods of storage.
8.3

Good

Our Rating

9.9
Simple to use

9.9
Stability

9.7
Sheerness

10 Best fuel stabilizers of 2025

1

Ethanol Shield Fuel Stabilizer, 24 oz (2 Pack)

2

STA-BIL 32 oz Fuel Stabilizer ( pack of 2 )

9.9

9.5

8.2

3

STA-BIL Fuel Stabilizer - 16oz

9.7

9.5

9.5

4

STA-BIL 22208 Fuel Stabilizer - 8 oz. Size: 8 Fl. oz., Model: 22208, Outdoor/Garden Store, Repair & Hardware

9.9

9.9

9.9

5

STA-BIL FUEL STABILIZER (4 OZ), Manufacturer: GOLD EAGLE, Manufacturer Part Number: 22204-AD, Stock Photo - Actual parts

6

STAR BRITE Star Tron Enzyme Fuel Treatment - Concentrated Formula 32 Fl. Oz. – Treats up to 512 Gallons - Fuel Stabilizer & Treatment, Gasoline Stabilizer, Star Tron Marine Enzyme Fuel Treatment

9.3

9.1

7

STA-BIL (22239) 360 Marine Ethanol Treatment and Fuel Stabilizer - Prevents Corrosion - Helps Clean Fuel System For Improved In-Season Performance -Treats Up To 80 Gallons, 8 fl. oz.

9.7

9.5

9.5

8

STA-BIL In-Season Protection Fuel System Treatment | Full Protection Fuel System Cleaner, Injector Cleaner, Increases MPG, Prevents Corrosion, 32 Fl. Oz.

9.9

9.7

9.7

9

Star Tron Stabilizer+ Fuel Storage with Corrosion Protection - Treats 40 Gallons of Gas- 8 OZ (14808)

10

STAR BRITE Star Tron Enzyme Fuel Treatment, Small Engine Formula, 8 Fl Oz – Treats up to 48 Gals – Gas Additive Rejuvenates & Stabilizes Old Gasoline, Cures & Prevents Ethanol Problems (14308) , Blue

9.9

9.9

9.7

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