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10 bestEngine Treatment For High Mileageof May 2025

112M consumers helped this year.

1

Liqui Moly (20002) Cera Tec Friction Modifier - 300 ml
Liqui Moly (20002) Cera Tec Friction Modifier - 300 ml

Liqui Moly

9.9

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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

9.8

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3

Liqui Moly 2009 Anti-Friction Oil Treatment - 300 ml
Liqui Moly 2009 Anti-Friction Oil Treatment - 300 ml

Liqui Moly

9.5

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4

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

Gumout

9.3

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5

Lucas Oil H/D Oil Stabilizer/12x1/Quart, Multi, One Size (10001)
Lucas Oil H/D Oil Stabilizer/12x1/Quart, Multi, One Size (10001)

Lucas Oil

9.0

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Related productsUp to 38% off

TriboTEX Oil Additive Car Engine Treatment: Add to Engine Oil - Makes High Mileage Cars Like New with a Synthetic Material (Treats One Regular Car, Truck, Tractor or Small Diesel)

TriboTEX Oil Additive Car Engine Treatment: Add to Engine Oil - Makes High Mileage Cars Like New with a Synthetic Material (Treats One Regular Car, Truck, Tractor or Small Diesel)

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Bar's Leaks High Mileage Engine Repair-It, Pack of 4

Bar's Leaks High Mileage Engine Repair-It, Pack of 4

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Lucas LUC10130 Synthetic Oil Stabilizer. Quart

Lucas LUC10130 Synthetic Oil Stabilizer. Quart

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STP High Mileage Formula Oil Treatment, 443ml

STP High Mileage Formula Oil Treatment, 443ml

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13% off

6

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

STP

8.7

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7

STP 17174 Multipurpose Motor Treatment, 473ml
STP 17174 Multipurpose Motor Treatment, 473ml

STP

8.4

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8

STP High Mileage Oil Treatment + Stop Leak - 15 FL OZ
STP High Mileage Oil Treatment + Stop Leak - 15 FL OZ

STP

8.1

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9

Gumout 510013 High Mileage Fuel Injector Cleaner, 6 oz. (Pack of 6)
Gumout 510013 High Mileage Fuel Injector Cleaner, 6 oz. (Pack of 6)

Gumout

7.8

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25% off

10

Gumout 800001742 Regane High Mileage Fuel System Cleaner, 177mL
Gumout 800001742 Regane High Mileage Fuel System Cleaner, 177mL

Gumout

7.6

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