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10 bestFuel System Cleanersof December 2025

112M consumers helped this year.

1

Lucas 10013 Fuel Treatment - 1 Gallon
Lucas 10013 Fuel Treatment - 1 Gallon

Lucas Oil

9.8

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2

Red Line (60103) Complete SI-1 Fuel System Cleaner - 15 Ounce
Red Line (60103) Complete SI-1 Fuel System Cleaner - 15 Ounce

Red Line

9.6

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3

Gumout 30001 All-in-One Fuel System Cleaner 296ml
Gumout 30001 All-in-One Fuel System Cleaner 296ml

Gumout

9.3

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4

2 Pack Bg 44k Fuel System Cleaner Power Enhancer 11 Oz Cans
2 Pack Bg 44k Fuel System Cleaner Power Enhancer 11 Oz Cans

BG(0002698761)

9.0

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12% off

5

STA-BIL Fast Fix Small Engine Treatment - Cleans Carbs and Injectors - Fixes Rough Running Engines - Eliminates Water - Treats 10 Gallons, 4 fl. oz. (22303)
STA-BIL Fast Fix Small Engine Treatment - Cleans Carbs and Injectors - Fixes Rough Running Engines - Eliminates Water - Treats 10 Gallons, 4 fl. oz. (22303)

STA-BIL

8.7

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Related productsUp to 9% off

New BG 44K Platinum, EPR, MOA

New BG 44K Platinum, EPR, MOA

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Chevron 266373272 Techron D Concentrate Diesel Fuel System Cleaner, 20 fl. oz., 1 Pack

Chevron 266373272 Techron D Concentrate Diesel Fuel System Cleaner, 20 fl. oz., 1 Pack

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Berryman 2611 Intake Valve and Combustion Chamber Cleaner, 16-Ounce Aerosol

Berryman 2611 Intake Valve and Combustion Chamber Cleaner, 16-Ounce Aerosol

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Gumout 30002 Multi-System Tune-Up, 473ml

Gumout 30002 Multi-System Tune-Up, 473ml

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6

BG Products 44K Fuel System Cleaner - 3 Pack
BG Products 44K Fuel System Cleaner - 3 Pack

B&G

8.5

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6% off

7

Liqui Moly (2032) Pro-Line Diesel Cleaner, blue, red, 500ml
Liqui Moly (2032) Pro-Line Diesel Cleaner, blue, red, 500ml

Liqui Moly

8.2

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8

STP Fuel System Cleaner and Stabilizer by STP, Fuel System Cleaner for Cars, Trucks, Motorcycles, 5.25 Fl Oz Each, 12 Pack
STP Fuel System Cleaner and Stabilizer by STP, Fuel System Cleaner for Cars, Trucks, Motorcycles, 5.25 Fl Oz Each, 12 Pack

STP

7.9

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9

BG 44K Fuel System Cleaner
BG 44K Fuel System Cleaner

BG(0002698761)

7.6

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10

Lucas Upper Cylinder Lubricant & Fuel Injector Cleaner (5.25 oz.)-12 Pack
Lucas Upper Cylinder Lubricant & Fuel Injector Cleaner (5.25 oz.)-12 Pack

Oeream

7.3

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