10 bestFuel Additivesof November 2025
112M consumers helped this year.
1
Lucas 10013 Fuel Treatment - 1 Gallon
Lucas Oil
9.9
2
BG 44K Fuel System Cleaner Power Enhancer 4 Pack 11oz can
BG
9.8
3
Red Line (60103) Complete SI-1 Fuel System Cleaner - 15 Ounce
Red Line
9.6
7% off
4
Gumout 30001 All-in-One Fuel System Cleaner 296ml
Gumout
9.4
5
BG Products 44K Fuel System Cleaner - 3 Pack
B&G
9.2
Other
Royal Purple 11722 Max-Clean Fuel System Cleaner and Stabilizer, 20-Ounce Bottle
2 Pack Bg 44k Fuel System Cleaner Power Enhancer 11 Oz Cans
STP 78574-12PK Octane Booster - 5.25 fl. oz., (Pack of 12)
Klotz Higher Octane Booster, Multipurpose Fuel Additive for Gasoline – 4 Pack of 6-Ounce Bottles
6
BG 44K Fuel System Cleaner
BG(0002698761)
9.0
12% off
7
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
8
Liqui Moly 2001 Valve Clean - 150 ml, Blue
Liqui Moly
8.5
9
Lucas Oil 10080 Upper Cylinder Lube/Fuel Treatment - 5 Gallon Pail
Lucas Oil
8.2
17% off
10
Fuel Treatment/1x1/Quart
Lucas Oil
8.0
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