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10 Best fuel additives of 2026
Save up to 20% off
Best Choice1
Chevron9.8Exceptional
Chevron 67740-CASE Techron Concentrate Plus Fuel System Cleaner - 12 oz. (Pack of 6)
20% Off-
Recommended Use Interval:Every 3,000 miles or at next oil change
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Fuel System Coverage:Fuel injectors, carburetors, intake valves, combustion chambers
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Package Quantity:6
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Type:Fuel System Cleaner
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Volume per Bottle:12 oz.
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Value for Money2
Sea Foam9.7Exceptional
Sea Foam Motor Treatment | Fuel System Cleaner, Fuel Stabilizer & Oil Treatment | Gas & Diesel Additive for Cars & Trucks | 16 oz, Pack of 4
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3
Lucas Oil9.5Excellent
Lucas Oil 10013 Fuel Treatment - 1 Gallon
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Function:Cleans and lubricates fuel system
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Compatibility:Gasoline and diesel engines
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Compliance:Complies with federal low sulfur content requirements
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Application:Fuel Treatment
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Volume:1 Gallon
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4
Red Line9.2Excellent
Red Line 60103 SI-1 Complete Fuel System Cleaner, Cleans and Prevents Corrosion in Fuel Systems, Cleans Injectors, Carburetors, Valve and Combustion Chamber Deposits - 15 Ounce (2 Pack)
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5
BG9.1Excellent
BG 44k Platinum New
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6
Hot Shot's Secret8.8Very Good
Hot Shot’s Secret Everyday Diesel Treatment EDT 16 oz Squeeze – Treats 400 Gallons – 6-in-1 Diesel Fuel Additive, Injector and Fuel System Cleaner, Boosts Cetane
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product dimensions: 7.13 x 2.25 x 4.5 inches
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exterior: Polished
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item weight: 1 pounds
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item model number: HSSEDT16ZS
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best sellers rank: 226 in Automotive See Top 100 in Automotive 1 in Diesel Additives
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7
STAR BRITE8.5Good
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
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8
STAR BRITE8.3Good
Star Tron Enzyme Fuel Treatment Concentrate – Designed to Help stabilize Gasoline and Support Ethanol Fuel Performance
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9
STA-BIL8.2Good
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
13% Off
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10
Gumout8.1Good
Gumout 510013W-6PK Fuel System Cleaner, 6 Pack
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