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Engine Additive

10 Best Engine Additive 2024 in the US

Sponsored

2X Cans Ca

MotorPower Care

2X Cans Catalytic Converter Cleaner, Oxygen sensor cleaner, pass emissions, SMOG, fuel additive, combustion chamber cleaner

Winner

Chevron Te

Chevron

Chevron Techron Concentrate Plus Fuel System Cleaner, 20 oz., Pack of 1

10.0

score

Sponsored

2X Cans Ca

MotorPower Care

2X Cans Catalytic Converter Cleaner, Oxygen sensor cleaner, pass emissions, SMOG, fuel additive, combustion chamber cleaner

STAR BRITE

STAR BRITE Star Tron Enzyme Fuel Treatment - Concentrated Formula 32 Fl. Oz. – Treats up to 512 Gallons - Fuel Stabilizer & Treatment, Gasoline Stabilizer, Star Tron Marine Enzyme Fuel Treatment

10.0

score

Lucas Oil

Lucas Oil

Lucas Oil 10003 Fuel Treatment - 1 Quart

9.4

score

Archoil AR

Archoil

Archoil AR9100 Oil Additive (16oz) for All Vehicles - Powerstroke Cold Starts, Eliminates Injector Problems

8.2

score

Sea Foam S

SUNBELT OUTDOOR PRODUCTS

Sea Foam SF16 Motor Treatment 16 oz

7.9

score

LIQUI MOLY

Liqui Moly

LIQUI MOLY Oil Additive Cera Tec 3721 Ceramic Wear & Tear Protection for Petrol & Diesel Engines Smoother Engine Performance, Less Friction & Lower Fuel Consumption 300 ml

7.9

score

Liqui Moly

Liqui Moly

Liqui Moly Pro-Line Engine Flush | 500 ml | Oil additive | SKU: 2037

7.6

score

Liqui Moly

Liqui Moly

Liqui Moly MoS2 Anti-Friction Engine Treatment | 300 ml | Oil additive | SKU: 2009

7.3

score

TriboTEX N

TriboTEX

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

7.0

score

Lucas Oil

Lucas

Lucas Oil 10118 High Mileage Oil Stabilizer - 1 Quart

7.0

score

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