November 3, 2025

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10 Best fuel stabilizers of 2025

Save up to 31% off

Best Choice

1

Sta-Bil
Fuel Stabilizer, 1 Gallon
Main highlights

Long Term Fuel Protection
STA-BIL Fuel Stabilizer keeps fuel fresh for up to 24 months, preventing degradation and gumming.

Ideal for Seasonal Storage
Perfect for vehicles and equipment stored for extended periods, ensuring easy startups.

Highly Rated Performance
Customers praise its effectiveness in maintaining fuel quality and engine functionality.
9.8

Exceptional

Our Rating

9.9
Stability

9.5
Simple to use

9.3
worth the money
How do we rank?

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Real users impact

Thousands of users trust our site daily

Based on millions of stores and reviews

Shoppers influence our rankings
Analyzing top stores
Value for Money

2

Ethanol Shield

Ethanol Shield Fuel Stabilizer, 24 oz (2 Pack) Keeps Fuel Fresh, Gasoline Treatment Fuel Additive That Protects Fuel System, Gas Stabilizer for Fuel Storage, Antioxidant and Anticorrosive
9.6

Exceptional

Our Rating
3

STA-BIL
STA-BIL Storage Fuel Stabilizer | Keeps Fuel Fresh for 24 Months, Prevents Corrosion, Gasoline Treatment Fuel Additive that Protects Fuel System, Gas Stabilizer for Fuel Storage, 32 oz.
Main highlights

Fuel Freshness for 24 Months
Preserves fuel freshness for up to 24 months, perfect for long-term storage.

Ideal for Seasonal Equipment
Perfect for storing vehicles, lawnmowers, and generators during off-season.

Highly Praised for Easy Starts
Users frequently commend its ability to ensure smooth engine starts.
9.4

Excellent

Our Rating

9.5
Simple to use

9.3
worth the money

8.0
dispense easily
4

STA-BIL
STA-BIL Storage Fuel Stabilizer | Keeps Fuel Fresh for 24 Months, Prevents Corrosion, Gasoline Treatment Additive that Protects System, Gas Stabilizer for Storage, 8 oz.

29% Off
Main highlights

Keeps Fuel Fresh for 24 Months
Preserves fuel for up to 24 months, ensuring reliable vehicle and equipment storage without fuel degradation.

Ideal for Long-Term Storage
Perfect for storing cars, lawnmowers, and generators, preventing fuel-related issues during extended periods of inactivity.

Praised for Easy Engine Starts
Customers appreciate the ease of starting engines after storage, thanks to its effective stabilization properties.
9.2

Excellent

Our Rating

9.7
Simple to use

9.5
worth the money

9.5
Stability
5

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.
9.1

Excellent

Our Rating

9.7
Simple to use

9.5
worth the money

9.5
Stability
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6

STAR BRITE
Star Tron Enzyme Fuel Treatment - Regular Gas Formula 8 oz - Treats 48 Gallons (014308FF)

22% 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.
9.0

Excellent

Our Rating

9.9
Simple to use

9.9
Stability

9.7
Sheerness
7

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

31% 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.
8.7

Very Good

Our Rating

9.9
worth the money

9.9
Simple to use

9.9
Comfort
8

STA-BIL
STA-BIL 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. (22260)
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.
8.6

Very Good

Our Rating

9.7
Simple to use

9.5
worth the money

9.5
quality of ingredients
9

ITHARION
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.
8.5

Good

Our Rating
10

STA-BIL
STA-BIL 360 Marine Ethanol Treatment & Fuel Stabilizer - Prevents Rust and Corrosion, Helps Clean Fuel System For Improved In-Season Performance, Treats Up To 320 Gallons, 32oz (22240) , Blue
Main highlights

Cleans and Protects Fuel System
STA-BIL 360 Marine cleans fuel injectors, pumps, and removes water, gum, and varnish, preventing corrosion and keeping the system healthy.

Ideal for Seasonal Equipment Storage
Perfect for use in boats, lawn equipment, and small engines. Prevents fuel issues during long periods of inactivity, especially in moisture-prone environments.

Highly Effective Fuel Stabilizer
Customers praise STA-BIL 360 Marine for its ability to keep engines running smoothly and prevent fuel system issues, even after extended storage periods.
Key specs
- product dimensions:10.94 x 9.74 x 9 inches
- fuel type:Ethanol
- item size:32 oz
- special features:Prevents corrosion, improves performance
- package dimensions:N/A
8.4

Good

Our Rating

9.9
quality of ingredients

9.7
Simple to use

9.5
worth the money

10 Best fuel stabilizers of 2025

1

Fuel Stabilizer, 1 Gallon

9.9

9.5

9.3

How do we rank?

How do we rank?

Analyzing top stores

2

Ethanol Shield Fuel Stabilizer, 24 oz (2 Pack) Keeps Fuel Fresh, Gasoline Treatment Fuel Additive That Protects Fuel System, Gas Stabilizer for Fuel Storage, Antioxidant and Anticorrosive

3

STA-BIL Storage Fuel Stabilizer | Keeps Fuel Fresh for 24 Months, Prevents Corrosion, Gasoline Treatment Fuel Additive that Protects Fuel System, Gas Stabilizer for Fuel Storage, 32 oz.

9.5

9.3

8.0

4

STA-BIL Storage Fuel Stabilizer | Keeps Fuel Fresh for 24 Months, Prevents Corrosion, Gasoline Treatment Additive that Protects System, Gas Stabilizer for Storage, 8 oz.

9.7

9.5

9.5

5

STA-BIL Fuel Stabilizer - 16oz

9.7

9.5

9.5

6

Star Tron Enzyme Fuel Treatment - Regular Gas Formula 8 oz - Treats 48 Gallons (014308FF)

9.9

9.9

9.7

7

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

9.9

9.9

9.9

8

STA-BIL 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. (22260)

9.7

9.5

9.5

9

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

10

STA-BIL 360 Marine Ethanol Treatment & Fuel Stabilizer - Prevents Rust and Corrosion, Helps Clean Fuel System For Improved In-Season Performance, Treats Up To 320 Gallons, 32oz (22240) , Blue

9.9

9.7

9.5

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