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10 bestEngine Additivesof July 2025

112M consumers helped this year.

1

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

Lucas Oil

9.9

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2

Liqui Moly 2020 Motor Oil Saver - 300 ml
Liqui Moly 2020 Motor Oil Saver - 300 ml

Liqui Moly

9.8

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3

Liqui Moly 20004 Hydraulic Lifter Additive
Liqui Moly 20004 Hydraulic Lifter Additive

Liqui Moly

9.7

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6% off

4

Liqui Moly 2009 Anti-Friction Oil Treatment-pk4
Liqui Moly 2009 Anti-Friction Oil Treatment-pk4

Liqui Moly

9.5

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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

9.3

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Related productsUp to 8% off

Bg Products MOA & EPR Motor Oil Additive Lubrication Supplement Engine Restore

Bg Products MOA & EPR Motor Oil Additive Lubrication Supplement Engine Restore

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Lucas Oil 10063 Engine Break-In Oil Additive - 16 oz

Lucas Oil 10063 Engine Break-In Oil Additive - 16 oz

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3 cans of BG EPR Engine Performance Restoration

3 cans of BG EPR Engine Performance Restoration

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STP 17174 Multipurpose Motor Treatment, 473ml

STP 17174 Multipurpose Motor Treatment, 473ml

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39% off

6

*H/D Oil Stabilizer/4x1/Gallon
*H/D Oil Stabilizer/4x1/Gallon

Lucas Oil

9.0

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15% off

7

STA-BIL Fast Fix - Small Engine Treatment, Cleans Carburetors and Injectors, Fixes Rough Running Engines, Eliminates Water, Treats Up to 20 Gallons, 8oz (22304), Green
STA-BIL Fast Fix - Small Engine Treatment, Cleans Carburetors and Injectors, Fixes Rough Running Engines, Eliminates Water, Treats Up to 20 Gallons, 8oz (22304), Green

STA-BIL

8.8

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8

Lucas Oil 10279 Engine Oil Stop Leak - 1 Gallon
Lucas Oil 10279 Engine Oil Stop Leak - 1 Gallon

Lucas Oil

8.5

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9

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

Gumout

8.2

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8% off

10

BG MOA Motor Oil Additive 11oz (3 Pack)
BG MOA Motor Oil Additive 11oz (3 Pack)

B&G

7.9

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