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10 bestFuel Additivesof April 2025

112M consumers helped this year.

1

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

Red Line

9.9

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5% off

2

Chevron Techron Concentrate Plus Fuel System Cleaner - 20 oz.
Chevron Techron Concentrate Plus Fuel System Cleaner - 20 oz.

Chevron

9.8

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12% off

3

Liqui Moly 2030 Pro-Line Fuel System Cleaner, 500 ml
Liqui Moly 2030 Pro-Line Fuel System Cleaner, 500 ml

Liqui Moly

9.6

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4

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

Lucas Oil

9.5

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5

Liqui Moly 2007 Jectron Gasoline Fuel Injection Cleaner - 300 ml
Liqui Moly 2007 Jectron Gasoline Fuel Injection Cleaner - 300 ml

Liqui Moly

9.2

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Related productsUp to 26% off

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)

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Klotz Higher Octane Booster, Multipurpose Fuel Additive for Gasoline – 4 Pack of 6-Ounce Bottles

Klotz Higher Octane Booster, Multipurpose Fuel Additive for Gasoline – 4 Pack of 6-Ounce Bottles

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Fuel Treatment/1x1/Quart

Fuel Treatment/1x1/Quart

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Lucas 10020 Fuel Treatment - 5.25 oz

Lucas 10020 Fuel Treatment - 5.25 oz

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8% off

6

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

Gumout

9.0

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13% off

7

STP Super Concentrated Fuel Injector Cleaner Fuel Additive, 155ml
STP Super Concentrated Fuel Injector Cleaner Fuel Additive, 155ml

STP

8.8

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8

Liqui Moly 2001 Valve Clean - 150 ml, Blue
Liqui Moly 2001 Valve Clean - 150 ml, Blue

Liqui Moly

8.5

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10% off

9

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)

8.2

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7% off

10

Gumout 30002 Multi-System Tune-Up, 473ml
Gumout 30002 Multi-System Tune-Up, 473ml

Gumout

8.0

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