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10 bestFuel Additivesof August 2025

112M consumers helped this year.

6% off

1

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

Lucas Oil

10.0

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7% off

2

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

Gumout

10.0

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3

Chevron Techron High Mileage Fuel System Cleaner, 12 oz, Pack of 6
Chevron Techron High Mileage Fuel System Cleaner, 12 oz, Pack of 6

Chevron

9.9

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4

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

Liqui Moly

9.6

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22% 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

9.4

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Related productsUp to 8% off

Red Line 60202 Lead Substitute - 12 oz.

Red Line 60202 Lead Substitute - 12 oz.

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Lucas Oil 10080 Upper Cylinder Lube/Fuel Treatment - 5 Gallon Pail

Lucas Oil 10080 Upper Cylinder Lube/Fuel Treatment - 5 Gallon Pail

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

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

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Royal Purple 18000 Max Atomizer Fuel Injector Cleaner - 6 oz.

Royal Purple 18000 Max Atomizer Fuel Injector Cleaner - 6 oz.

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6

Royal Purple 11722 Max-Clean Fuel System Cleaner and Stabilizer, 20-Ounce Bottle
Royal Purple 11722 Max-Clean Fuel System Cleaner and Stabilizer, 20-Ounce Bottle

Royal Purple

9.2

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6% off

7

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

B&G

8.9

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18% off

8

Fuel Treatment/1x1/Quart
Fuel Treatment/1x1/Quart

Lucas Oil

8.6

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9

STP 78574-12PK Octane Booster - 5.25 fl. oz., (Pack of 12)
STP 78574-12PK Octane Booster - 5.25 fl. oz., (Pack of 12)

STP

8.3

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10

Lucas 10020 Fuel Treatment - 5.25 oz
Lucas 10020 Fuel Treatment - 5.25 oz

Lucas Oil

8.1

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