We Use CookiesWe use cookies to enhance the security, performance, functionality and for analytical and promotional activities. By continuing to browse this site you are agreeing to our privacy policy

All Categories

Automotive

Oils & Fluids

Engine Cleaners

10 Best Engine Cleaners 2025 in the United States

Name: Lucas Oil 10003 Fuel Treatment - 1 Quart
Brand: Lucas Oil
Price: 11.99 USD
Availability: InStock

From leading brands and best sellers available on the web.

Catalytic Converter Cleaner New Technology Very Effective kit

View on Amazon

Winner

Lucas Oil

Lucas Oil 10003 Fuel Treatment - 1 Quart

10.0

score

View on Amazon

Catalytic Converter Cleaner New Technology Very Effective kit

View on Amazon

Gumout

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

10.0

score

View on Amazon

Chevron

Chevron Techron Concentrate Plus Fuel System Cleaner, 12 oz, Pack of 1

9.9

score

View on Amazon

Gumout

Gumout 800002231 Carb / Choke And Parts Cleaner, 14 oz. - Cleans Carburetor, Brakes And All Unpainted Metal Parts of Gum, Varnish, Oil And Other Contaminants

9.8

score

View on Amazon

Liqui Moly

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

9.6

score

View on Amazon

Chemical Guys

Chemical Guys CLD_201_16 Signature Series Orange Degreaser, Multipurpose Power, Safe for Cars, Trucks, SUVs, Motorcycles, RVs & More, 16 fl oz

9.4

score

View on Amazon

Liqui Moly

Liqui Moly 2030 Pro-Line Gasoline System Cleaner, 500 ml, 16.91 Fl Oz (Pack of 1)

9.1

score

View on Amazon

Liqui Moly

LIQUI MOLY Valve Clean | 150 ml | Petroladititive | SKU: 2001, Blue

8.8

score

View on Amazon

Chevron

Chevron Techron High Mileage Fuel System Cleaner, 12 oz, Pack of 1

8.6

score

View on Amazon

#10

P21S

P21S 13001B Auto Wash W/Sprayer, 1000 ml, White

8.3

score

View on Amazon

How do we rank products for you?

Our technology thoroughly searches through the online shopping world, reviewing hundreds of sites. We then process and analyze this information, updating in real-time to bring you the latest top-rated products. This way, you always get the best and most current options available.

10 Best Engine Cleaners 2025 in the United States

Catalytic Converter Cleaner New Technology Very Effective kit

Lucas Oil 10003 Fuel Treatment - 1 Quart

Catalytic Converter Cleaner New Technology Very Effective kit

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

Chevron Techron Concentrate Plus Fuel System Cleaner, 12 oz, Pack of 1

Gumout 800002231 Carb / Choke And Parts Cleaner, 14 oz. - Cleans Carburetor, Brakes And All Unpainted Metal Parts of Gum, Varnish, Oil And Other Contaminants

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

MotorPower Care Carbon Cleaner, 2 Pack, 16.9 fl oz Each, Removes Carbon Build-Up on Valves, Improves Performance & Efficiency - Safe for Use on Engine Components

STP Ultra 5 In 1 Fuel System Cleaner and Stabilizer, Deep Cleans Fuel System and Fights Engine Friction, 12 FlOz

ACDelco GM Original Equipment 10-3015 Engine Cylinder/Combustion Chamber Cleaner - 32 oz

Spray Nine 26832 Heavy Duty Cleaner/Degreaser, 32oz Bottle

Gunk EB1-12PK 'Original Engine Brite' Engine Degreaser - 15 oz., (Case of 12)

Chemical Guys CLD_201_16 Signature Series Orange Degreaser, Multipurpose Power, Safe for Cars, Trucks, SUVs, Motorcycles, RVs & More, 16 fl oz

Liqui Moly 2030 Pro-Line Gasoline System Cleaner, 500 ml, 16.91 Fl Oz (Pack of 1)

LIQUI MOLY Valve Clean | 150 ml | Petroladititive | SKU: 2001, Blue

Chevron Techron High Mileage Fuel System Cleaner, 12 oz, Pack of 1

P21S 13001B Auto Wash W/Sprayer, 1000 ml, White

Engine Injector Cleaners

2 Cleaners

Cd Cleaners

Ear Cleaners

Enzyme Cleaners