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47 Best engine cleaner in 2022: According to Experts.

You could get any random engine cleaner, but if you’re looking for expert advice on choosing the best one for your needs then you’ve arrived at the right place.

It doesn’t matter what your engine cleaner needs are or what your budget is, because I’ve done an in-depth analysis to include the best-rated options suitable for diversified usage needs and different budget ranges.

To make this list, I’ve spent 99 hours researching engine cleaner from the best brands such as: Gunk, Chemical Guys, Chevron.

Note: Make sure that option you’re choosing has all the features you need. Afterall, is there any point in purchasing something that’s not usable?

47 Best engine cleaner in 2022: After 99 Hours of Research

To make this list an unbiased resource for choosing the best engine cleaner, I contacted 17 experts and discussed various aspects to consider. After a huge discussion, I went across customer reviews, researched the reputed brands, and a lot of other things. Because my aim is to recommend products that are highly value for your money.

1. Gunk FEB1 Foamy Engine Brite Engine Cleaner – 17oz. 2 Pack -Automotive

By Gunk

  • Safe on all engine components
  • No scrubbing
  • Set Includes: 2 Pakc of Gunk FEB1 Foamy Engine Brite Engine Cleaner – 17oz
  • Rinses clean with water
  • It safely removes grease, dirt, and grime from most engines

2. Chemical Guys CLD_101_16 All Clean+ Citrus Based All Purpose Super Cleaner (16 oz) -Automotive

By Chemical Guys

  • All-natural citrus based formula is designed to remove dirt, grime, stains, and filth faster than ever imagined
  • Concentrated and dilutable
  • Works on everything from carpets to engine bays
  • Advanced cleaning formula works on virtually any surface both interior and exterior
  • Cleans away dirt, grime, and stains from any surface

3. Chevron Techron Concentrate Plus Fuel System Cleaner – 20 oz. -Automotive

By Chevron

  • Cleans, restores, protects the entire fuel system (fuel injectors, carburetors, intake valves and combustion chambers)
  • Improves: Cold start performance, and fuel stability for up to one year
  • Restores: Lost power, acceleration, lost fuel economy, and operation of the fuel gauge sensor
  • Reduces: Rough idle, engine surge, hesitation, and spark plus fouling

4. P21S 13001B Auto Wash W/Sprayer, 1000 ml, White -Automotive

By P21S

  • It Has Fresh Orange Scent
  • Tough Stain Remover
  • Package Weight: 1.225 Kilograms
  • Multi Tasking Intensive Cleaner

5. DK SONIC Ultrasonic Cleaner with Heater,Timer and Basket for Lab Tools, Metal Parts, Carburetor, Fuel Injector, Brass, Auto Parts, Engine Parts, etc (30L, 110V) -Engine Cleaner Foams


  • POWERFUL TRANSDUCER AND LARGE CAPACITY: 10 industrial strengthened transducers strengthen the ultrasonic power and make superior cleaning results
  • 30L big tank and integrated basket is perfect to hold items in place.
  • COMFORTABLE SETTINGS AND SAFE USE: time adjustable between 0 ~ 20 minutes and temperature adjustable between 20 ~ 80 ℃; Heating stops heating automatically when the temperature is higher than the preset value
  • HEAVY DUTY AND MOISTURE-PROOFED: Inner tank,ultrasonic casing,cleaning basket,drainage,lid are made of SUS304,keeping ultrasonic cleaner away from corrosion,it enjoys longer service life compared to sonic cleaner that made of SUS201.
  • USER-FRIENDLY WITH LED DISPLAY: Auto stand-by and sleep mode;High precision with digital display;Memory function and auto power off keeps you away from danger;Time and temperature can be reviewed clearly.
  • AMAZING CLEANING PERFORMANCE: 40KHz is professional for intensive rinse such as blind holes and deep holes;Heating function improve cleaning effect for oil and wax;High end transducers that will not cause abrasion to the inner tank.

6. SQ Engine Cleaner and Degreaser, 12 Pack, 14.5 Oz per can -Engine Cleaner Foams


  • Water-free formula
  • 50 states compliant
  • Removes superficial rust, oil, grease, soot
  • Highly penetrant

7. Griot’s Garage 11158 1 Gallon (128 Ounces) Engine Cleaner Gallon -Automotive

By Griot’s Garage

  • Spray on Engine Cleaner and agitate the area with a detail brush to remove grease, oil, dirt, and grime.
  • Easy spray-on, agitate, and wipe clean application
  • Loosens and breaks up grease, grime, and engine gunk
  • Cleans engine parts and readies your power plant for dressing

8. Pro HD”Purple” Concentrated Cleaner & Degreaser – Heavy Duty, Professional, Automotive, Restaurant, Grills, Ovens (32 oz Spray @Heavy Strength and 1 Gal Concentrate Refill) -Health & Household

By Simple Green

  • Simple Green Pro HD is your one-stop cleaner and degreaser
  • Developed for multi-purpose contractor applications including use on floors, walls, industrial equipment, appliances; automotive or recreational vehicle cleaning and degreasing
  • Simple Green Pro HD is a PROP 65 product, non-corrosive, professional grade product
  • It quickly eliminates tough grease and grime, removes stains, and is safe on metal surfaces
  • Also including commercial kitchens and baths and for pressure washing, parts washing, ultrasonic cleaning and more

9. Gunk FEB1 Foamy Engine Brite Engine Cleaner – 17oz. -Automotive

By Gunk

  • No scrubbing
  • This item is not for sale in Catalina Island
  • It safely removes grease, dirt, and grime from most engines
  • Safe on all engine components

10. QPKING Automotive Engine Intake Pipe Valve Clean Machine Valvetronic System Walnut Powder Sand Carbon Deposits Cleaner Automotive Cleaning Tools AUTO Engine System Cleaners -Automotive


  • External air sourceThis enables the walnut sand grit to strike the carbon deposits more powerfully and efficiently.
  • Built-in dust filterIt can separate the recovered walnut sand grit from carbon deposits for recycling.
  • 3 year warrantyFor damage caused by non-human factors, we promise to resend parts for free within 3 years.
  • Deep removal of carbon depositsDeeply remove the highly sticky carbon deposits on the intake manifold, intake & exhaust valves.(Solve the problems of unstable idling, insufficient fuel combustion, and reduced air-fuel ratio.)
  • Integrated designThe walnut sand grit can be sprayed and recovered simultaneously.

11. Gunk FEB1-12PK ‘Engine Brite’ Engine Cleaner Foam – 17 oz, (Case of 12) -Automotive

By Gunk

  • Designed for older, dirty engines
  • Safely removes grease, dirt and grime from most engines
  • Rinses easily with water
  • Fast-acting, highly effective foaming formula
  • For more than 75 years, GUNK products, developed by the people who use them, has earned the trust of hard-working tradesment and the active DIYer through consistent, superior performance and a commitment to innovation.
  • GUNK is a local family owned company based out of Charlotte, NC

12. Air Filter Cleaner – Engine Air Filter 360 Degree Rotating Cleaner – Fits 6 Tiers of Filter Sizes: 4″, 5.5″, 7″, 8.5″, 10″, 12″ -Automotive

By Air Filter Cleaner

  • Clean filter = happy engine
  • An engine running with a clean filter will cut your fuel expense up to 5 gallons per hour
  • INCREASED ENGINE PERFORMANCE: Reduced air filter replacement and engine maintenance cost.
  • CLEANER AIR FOR LONGER ENGINE LIFE: The tool is designed to clean your filter in under one minute
  • DIRECT BLAST AWAY PLUGGED FILTERS: The Pete Industries Engine Air filter cleaner blasts plugged filters blowing away harmful power and robbing components from your engine intake.
  • Happy engine = fuel savings.
  • FLUSH THE AIR FILTER OF DEBRIS: By flushing the filter with air from the inside out helps clean the filter pleats and ensures the filter pleats are not compromised.
  • ELIMINATE DUST FROM THE ENGINE: Keeping dirt and debris out of the engine extends the life of the engine.

13. Adam’s All Purpose Cleaner (16oz) – Professional Heavy Duty Industrial Cleaner & Degreaser | Cuts Heavy Grease & Tar | Car Detailing, Tire Cleaner, Engine Cleaner, Wheel Cleaner -Health & Household

By Adam’s Polishes

  • 110% SATISFACTION GUARANTEE AND USA MADE – We pride ourselves on customer service and satisfaction and believe that this is THE BEST All Purpose Cleaner or Heavy Degreaser on the market! If you don’t agree, we’ll do everything we can to make it right!
  • SUPER CLEANER FOR ANY SURFACE – With some of the newest advancements in Nano Technology, our newly formulated multisource cleaner was designed to effectively lift away dirt, grime, tar, and fight the toughest grease at the molecular level
  • STRONG DEGREASER REMOVES DIRT & GRIME WITH EASE – Adam’s All-Purpose Cleaner is a fully functional, safe, and an effective product for any surface
  • MULTI-PURPOSE CLEANER – Adam’s All-Purpose Cleaner is the only chemical you’ll need for Cleaning engine bays removing bug & tar, fender wells, tires, brake dust, wheels, exhausts tips, polishing pads and applicators, cutting grease, cleaning oxidized plastic and rubber and cleansing delicate surfaces when diluted up to 90%
  • DILUTE UP TO 90% FOR SOME APPLICATIONS – When diluted, it is gentle enough to clean body panels, interior components, carpet & upholstery, interior car accessories, truck accessories, and even leather
  • If you have a surface that you need to decontaminate and are not sure which product to grab, our APC will be the most reliable product in your line of car cleaning supplies!
  • When diluted, it is extremely gentle and effective on sensitive surfaces.
  • At full strength, this product is versatile enough to cut even the toughest grease buildup
  • Pair with your favorite brush or microfiber cleaning cloth to clean your car, truck, boat, RV & motorcycle.
  • The formula can be utilized in an Adam’s Foam Cannon & Multi & Foaming Pump Sprayers for superior foaming action!

14. Gumout 800002231 Carb and Choke Cleaner, 14 oz. -Automotive

By Gumout

  • Helps overcome hard starting, rough idling, stalling, and high exhaust emissions
  • Cleans gum, varnish, and dirt from clogged carburetors and choke valves
  • Effectively cleans unpainted metal parts and is quick drying
  • Quickly removes deposits from the inside and outside of the carburetor to improve engine performance and fuel economy

15. ACDelco GM Original Equipment 10-3007 Top Engine Cleaner – 13 oz Aerosol -Automotive

By ACDelco

  • Removes gum, varnish, and carbon to make tough tune-ups easy and long-lasting
  • Designed to eliminate deposits that may cause rough idle, stalling, hesitation, pings, and engine run-on
  • Mixture of solvents, penetrating agents, and lubricating oil helps free sticking valves and sluggish compression rings, and purge excessive deposits from combustion chambers

16. Gunk EB1-12PK ‘Original Engine Brite’ Engine Degreaser – 15 oz, (Case of 12) -Automotive

By Gunk

  • GUNK is a local family owned company based out of Charlotte, NC
  • Requires no tools or special equipment
  • For more than 75 years, GUNK products, developed by the people who use them, has earned the trust of hard-working tradesment and the active DIYer through consistent, superior performance and a commitment to innovation.
  • Heavy duty cleaning formula packed with powerful degreasing solvents
  • Inexpensive way to clean equipment
  • Quickly and easily removes the toughest grease, dirt and grime

17. DK SONIC 15L 360W Sonic Cleaner with Digital Timer and Basket for Metal Parts,Carburetor,Fuel Injector,Brass,Auto Parts,Engine Parts,Motor Repair Tools,etc (15L, 110V) -Industrial & Scientific


  • POWERFUL TRANSDUCER AND LARGE CAPACITY: 6 industrial strengthened transducers strengthen the ultrasonic power and make superior cleaning results
  • USER-FRIENDLY WITH LED DISPLAY: Auto stand-by and sleep mode; High precision with digital display;Memory function and auto power off keeps you away from danger;Time and temperature can be reviewed clearly.
  • CONVENIENT SETTINGS AND SAFE USE: 10mins increase or decrease once if press and hold “Time +/-”;10 degree increase or decrease once if press and hold “Temperature +/-”;Ultrasonic cleaner will stop automatically when there is no water;Heater will stop automatically if the temperature is higher than preset value.
  • 15L big tank and integrated basket is perfect to hold items in place.
  • HEAVY DUTY AND MOISTURE-PROOFED: Inner tank,ultrasonic casing,cleaning basket,drainage,lid are made of SUS304,keeping ultrasonic cleaner away from corrosion,it enjoys longer service life compared to sonic cleaner that made of SUS201.
  • AMAZING CLEANING PERFORMANCE: 28KHz is professional for surface cleaning and 40KHz is professional for intensive rinse such as blind holes and deep holes.Degas and heating function improve cleaning effect for oil and wax;High end transducers that will not cause abrasion to the inner tank.

18. Akfix R76 Engine Cleaner and Degreaser – Quick and Bright Cleaner for Car, Motorcycle, Automotive and Machine Engine – Oil Grease Remover, Degreaser Cleaner Spray | 1 – Pack, 12 Oz. Cartridge -Fuel Cleaning Tools

By Akfix

  • Superior Content For particularly tough jobs, our engine degreaser offers super strength cleaner degreaser, and for the majority of vehicles, this original bright will get your under-hood area looking like new.
  • It will not harm the motor in any way
  • 𝗡𝗲𝘃𝗲𝗿 𝘀𝗽𝗿𝗮𝘆 𝘁𝗵𝗲 𝗽𝗿𝗼𝗱𝘂𝗰𝘁 𝗼𝗻 𝗮 𝗵𝗼𝘁 𝗲𝗻𝗴𝗶𝗻𝗲.
  • Safety Protection Contain ozone-friendly propellants that do not harm the environment
  • Oil Grease Remover Your average all-purpose cleaner won’t remove burned-on oil from around the edges of your valve covers or the dirt cooked onto the top of the engine cover
  • That is where Akfix R76 Engine Cleaner comes into play.
  • Specifically designed to remove deposits that might cause rough idle, stalling, hesitation, pings, rust, dirt and engine run-on.
  • All Types of Engines It is suitable for automobiles, motorcycles, machines and all types of engines, such as lawnmower
  • Aside from cleaning, it provides a wonderful view and protects the engine.
  • Quick and Effective Using this engine brightener involves simply and quickly spraying it on the dirty area and taking a microfiber towel to it to help break up any stubborn solids
  • Harmless for electronic circuits

19. Gunk CEB1 Engine Shine Protector and Detailer, 15 Oz -Automotive

By Gunk

  • Comes in 15 oz
  • Safe on most under-hood rubber, plastic and paint
  • Can be used to eliminate greasy dirt in the home, shop and garage
  • Pleasant citrus scent
  • It contains no silicones (which are known for creating greasy, dust collecting buildup), is non-flammable, Non-corrosive to metals and has low VOC
  • Emulsifies and washes away dirt, grease and grime that collect on Modern engines
  • 2-in-one engine cleaner and detailer
  • Aerosol spray can with pleasant citrus scent
  • Leaves a Satin-like finish
  • Makes Future Clean Up EasierMakes Future Clean Up EasierMakes Future Clean Up Easier

20. K&N Air Filter Cleaning Kit: Aerosol Filter Cleaner and Oil Kit; Restores Engine Air Filter Performance; Service Kit-99-5000 -Automotive

By K&N

  • INCLUDES POWER KLEEN: A powerful, highly effective degreaser that quickly dissolves filter build-up and old oil, allowing filter grime to be rinsed away with water
  • CLEANING STEPS: Spray on Power Kleen, Rinse with water, Allow filter to dry, Apply fresh filter oil
  • RESTORES PERFORMANCE: Helps restore your filter to exceptional performance by removing filter-clogging build-up
  • RENEWED EFFICIENCY: Restores air flow efficiency so your K&N air filter performs like new
  • INCLUDES K&N RED FILTER OIL: K&N red filter oil remains suspended in the pleats of the cotton filter material of High-Flow Air Filters, allowing for exceptional contaminant capture

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21. Motorcraft – Element Asy – Air Cleaner (FA1927) -Automotive

By Motorcraft

  • Country of origin :United States
  • Constantly Modernizing Our Powerful Devices To Meet The Demands Of The Modern User
  • Package weight :2.3pounds
  • Package dimensions :19.05cm L x24.38cm W x30.23cm H
  • Product type :AUTO PART

22. Genuine GM Fluid 88861803 Upper Engine and Fuel Injector Cleaner – 16 oz. -Automotive

By Genuine GM

  • Use for in-rail fuel injector cleaning, engine intake system deposit removal, and piston top soaking clean-up
  • Product has multiple service applications
  • GM upper engine and fuel injector cleaner
  • Low VOC compliant formulation
  • Delivers immediate engine deposit cleaning

23. Ultrasonic Cleaner Solution for Carburetors and Engine Parts, Ultrasonic Cleaning Solution and Washing Compound for Ultrasonic and Immersion Washers – Concentrated (1 Gallon) -Industrial & Scientific


  • Perfectly designed for you car carburetor cleaner, motorcycle carburetor cleaner, ultrasonic carb cleaning kit, engine components, heads, valves, seats, rockers, and more.
  • These bubbles are so small that they are able penetrate minute cracks, crevices and blind holes impossible to reach by hand scrubbing using conventional parts washers or aerosol sprays
  • Fast: Once parts are placed in the ultrasonic parts cleaner solution, and cleaning initiated, parts can be very quickly cleaned in an environmentally friendly manner.
  • Does not contain borates, phenols, nitrates, SARA 313,EPA 33/50 listed ingredients, or butyl cellusolve.
  • Thorough: When the bubbles implode contaminants are quickly and safely blasted away from wetted surfaces without damaging delicate parts
  • Scientifically Engineered Ultra Sonic: Removes, dirt, varnish, gums and other contaminants that deposit on carburetors, valves, and heat exchangers exterior and interior parts over time
  • Highly Effective: This concentrated ultrasonic carburetor cleaner is formulated to take advantage of the ultrasonic machines implosion of billions of minute vacuum bubbles when they contact parts immersed in our ultrasonic cleaning solution
  • Safe on All Metals and Non Toxic: This non toxic Ultrasonic Cleaning Solution for Carburetors is safe on all metals including aluminum, aluminum alloys, brass, cast iron, copper, copper alloys, ferrous metals, magnesium, yellow alloys, zinc, and coins
  • Our Ultrasonic Cleaner Solution for Carburetors and small Parts is unmatched.

24. 3D Grand Blast Heavy Duty Degreaser – All Purpose Cleaner Safe & Effective for Cars, Engines, Floors, Home Use – Rapidly Cleans Grease & Grime Build Up 1 Gallon -Air Filter Cleaning Products

By 3D

  • 3D Grand Blast is a commercial grade degreaser that is great for removing the toughest dirt, grease, and grime with ease!
  • Spend less time scrubbing and cleaning with our premium biodegradable easy rinse fomrula to quickly wash away all the dirt, grease, and grime build up!
  • We’ve been researching and creating exterior and interior car care products for over 25 years now
  • Go ahead, experience a heavy duty degreaser that’s tried and trusted.
  • A quarter of a century of giving our customers uncompromising quality
  • Our fast acting formula not only loosens and cleans dirt, grease, and grime from the surface… it gives it an extra clean ‘like new’ look and shine!
  • Our biodegradable formula is safe for commercial or home use and can be used to clean engines, machinery, tools, floors, and more!

25. Car and Engine Cleaner Wipes, Cleaning Wipes with Citrus Scent Cleans Cars, Truck, Motorcycle, 30 Count, STP -Automotive


  • Heavy duty formula
  • Scrubby texture
  • Clean and restore under-the-hood parts, plastics, vinyl, and metal
  • Convenient, disposable wipe in a citrus scent
  • Cut through grease, grime, oil

26. Gunk EB1CA ‘Original Engine Brite’ Engine Degreaser – 15 oz. -Automotive

By Gunk

  • Quickly and easily removes the toughest grease, dirt and grime
  • For more than 75 years, GUNK products, developed by the people who use them, has earned the trust of hard-working tradesment and the active DIYer through consistent, superior performance and a commitment to innovation.
  • Best selling engine degreaser
  • GUNK is a local family owned company based out of Charlotte, NC
  • Heavy duty cleaning formula packed with powerful degreasing solvents

27. Chemical Guys CLD_201_16 Signature Series Orange Degreaser, 16 oz -Automotive

By Chemical Guys

  • Super concentrated – can be diluted to desired needs
  • Works great on engines, machinery, tools, tires, rims and undercarriages
  • Professional strength citrus-based formula
  • Removes tough grease, grime, dirt and debris
  • Works fast to loosen and emulsify grease, oil, dirt and grime for easy rinse

28. Reliable Brio Plus 400CC Steam Cleaner, 22 Accessories, 72 PSI Pressure, Multipurpose Cleans Tile, Grout, Hardwood Floors, Autos, Windows, and More, Adjustable Steamer Settings, Unlimited Steam Technology -Air Filter Cleaning Products

By Reliable

  • The Brio Plus is designed to work perfectly with normal tap water.
  • ALL IN ONE POWER — The versatile Brio Plus 400CC is the last tool you’ll ever need to completely steam clean hardwood floors, grout, tiles, ovens, pet areas, workout rooms, car interiors, and more.
  • Simply refill the water tank when the water level is low and away you go.
  • 22-PIECE ACCESSORY KIT — The best steam cleaning methods include the use of superior quality accessories
  • UNLIMITED STEAM — This steam cleaner heats up in only 10 minutes and with CSS technology you will never run out of steam in the middle of cleaning again
  • ADJUSTABLE STEAM SETTINGS — Completely control the steam volume right on the handle with our 6′ steam hose with low and high pressure steam functions to remove stubborn stains & debris.
  • 5 BAR (72 PSI) PRESSURE — Breeze through even the toughest cleaning jobs with a 5 bar pressure rating and a 1750W heating element.
  • USE TAP WATER — Our high-grade stainless steel tank means there is no need to worry about the right type of water again
  • Everything you need to start steam cleaning including a convenient portable carrying case.

29. Liqui Moly 2037 Pro-Line Engine Flush -Automotive

By Liqui Moly

  • Gentle and rapid cleaning
  • Simple to use
  • Compatible with catalytic converters
  • Neutral to seals and other materials installed in the engine
  • Easy way to clean and flush the oil systems of gasoline and diesel engines

30. CRC BRAKLEEN Brake Parts Cleaner – Non-Flammable -1lb 3 Oz (05089) -Industrial & Scientific


  • Cannot be sold for use in ca or nj
  • This item is not for sale in catalina island
  • Non-flammable
  • Formulated to quickly & effectively remove grease, brake dust, brake fluids, oils, & other contaminants from brake parts, lining, pads
  • The original brake parts cleaner

31. Dupray One Steam Cleaner- Portable, All-Purpose, Disinfecting, Chemical-Free Floor Steamer & Tile Cleaner Made in Europe for Home and Professional Use -Home & Kitchen

By Dupray

  • WARRANTY: 3 years / Lifetime on stainless steel boiler.
  • QUALITY ACCESSORIES : 16-piece kit.
  • Up to 50 minutes of cleaning time per fill up.

32. Malco Red Thunder – Automotive Cleaner and Degreaser – Breaks Down Grease & Grime on Engines, Wheels and Tires/Biodegradable, Heavy Duty and Multi-Purpose / 1 Gallon (102301) -Automotive

By Malco

  • DEEP CLEANING FOR CARPET & UPHOLSTERY: Can be diluted and safe to use on most vehicle surfaces including vinyl and plastic.
  • VERSATILE FOR HEAVY SOILS ON ENGINES, TIRES, WHEELS: Malco Red Thunder easily breaks down dirt and grime stuck on engines, wheels and tires in a matter of MINUTES!
  • MALCO AUTOMOTIVE: Since 1953, Malco Products has provided powerful cleaning and detailing products and accessories to keep cars spotless and clean, inside and out.
  • RINSES CLEAN, LEAVING NO RESIDUE: Highly concentrated formula will loosen and remove oils, grease and built up dirt from hard to reach areas easily and quickly.
  • BIODEGRADABLE & PHOSPHATE FREE: Malco Red Thunder is environmentally friendly and can be used virtually anywhere – body shop and aluminum safe.

33. PARTSPLUS Chevy Chrome Engine Dress Up Kit Tall Valve Covers Air Cleaner 58-79 SBC 350 9215 – KIT1 -Brake Cleaners


  • FITS SB CHEVY 283 305 327 350 383 400 ENGINES

34. Oil Eater ORANGE Premium Cleaner and Degreaser – 32oz – For Grease, Tar, Adhesive, Dirt – 2 PACK,AOA32119122PK -Automotive

By Oil Eater

  • MADE IN USA: reliable, trusted formula used by pros
  • PRO STRENGTH: cleans machines, vehicles, wheels, tools, parts, utilities and more
  • POWER SPRAY: applies formula consistently to surfaces for complete coverage
  • CITRUS: made with natural citrus oil
  • PREMIUM ORANGE: Oil Eater’s most powerful formula attacks oil, grease, tar, adhesive and other stubborn stains

35. Oil Eater Original 1 Gallon Cleaner and Degreaser – Dissolve Grease Oil and Heavy-Duty Stains – Professional Strength -Brake Cleaners

By Oil Eater

  • Powerful Cleaning: Dissolves Grease, Oil And Dirt From Any Washable Surface
  • Ultra Concentrated: Use For Cleaning Floors, Walls, Driveways, Grills, Exhausts, Patios, Outdoor Furniture, Tile, Boats, Automotive Wheels, Laundry Prewash, Parts Cleaning, Tools And Carpet Stains
  • Biodegradable Formula: No Harsh Solvents And Is Noncorrosive
  • Usda Approved: For Use At Food Service Facilities (A1, A4, A8)

36. ABN Engine Cleaning Gun with 4ft Siphon Hose, Siphon Spray Gun Cleaning Kit – Car Engine Cleaner Degreaser Tool -Brake Cleaners


  • 4-FOOT SIPHON HOSE: Included in this kit is a durable 4-foot tube with a 1/4 inch (6.4 mm) inner diameter that is incredibly easy to attach and maneuver; Simply attach the 4-foot oil siphon hose to your solvent sprayer and dip the other end of the hose into the oils, solvents, cleaners, or insecticides you plan to use; The powerful syphon spray gun operates with a 1-HP or larger air compressor to deliver 3.0 CFM at 90 PSI giving you a great control rate of flow for your project
  • DURABLE ENGINE CLEANING GUN: The ABN Engine Degreaser Sprayer High Pressure Cleaning Gun with 4-foot Air Siphon Hose is a high-speed 2-way action syphon spray gun that blasts dirt, grease, and oil quickly from engines and machinery; The compressed air sprayer hose gun features a pressure trigger for maximum efficiency and a long reach nozzle to reach those tight awkward spaces in your engine bay, deck, and wheels
  • SPECIFICATIONS: Includes an aluminum air pressure gun, a long reach cleaning nozzle, and 4 feet of siphon tubing with a built-in solution strainer; Attached to the handle is a pressure trigger, a 1/4-inch (6.4 mm) air inlet that attaches to the supplied siphon hose, and a 1/2-inch (12.7 mm) inlet to attach an air compressor; The oil spray gun operates with 1-HP or large air compressor delivering 3.0 Cubic Feet per Minute at 90 Pounds per Square Inch offering maximum flow for easy clean up
  • EASY CLEANING: The suction feed style gun uses air pressure to spray substances from an attached tank (tank not included); This powerful engine cleaning gun is lightweight, easy to maneuver, reaches deep into engine bays, and fits well in hand; A 1/4-inch (6.4 mm) air inlet offers maximum flow for easy clean up and blowing off heavy shavings and chips to messy gutters; Always remember to wear protective equipment such as safety goggles when using air pressure sprayer
  • VERSATILE: Use this air pressure washer shop air gun with compressed air and water, soaps, and other solvent cleaners to clean heavier soiled surfaces and remove unwanted messes in your engine bay, workshop, gutters or deck; Or, use this oil spray gun with kerosene, oils, and other solutions for a variety of projects; Solvent gun not designed for use with paint

37. Ultrasonic Cleaner 20L- SupRUCCI Large Carburetor Ultrasonic Cleaners with Heater Timer and Basket for Brass, Carburetor, Injector Parts, Engine Parts, Motor Repair Tools, PCB, Jewellery -Industrial & Scientific


  • CONVENIENT TIMER AND HEATER SETTING: Free time setting among 1-30min, 30-80℃ (186-176℉) can be set
  • Easily and thoroughly cleans our valuables items.
  • ULTRASONIC CLEANER MATERIAL: Premium Die-casting SUS304 stainless steel tank makes the lab ultrasonic cleaner machine resistant to weak acid and weak alkalis
  • 40-60℃(104-140℉) cleaning temperature recommended for improved cleaning performance, and the knob sonic cleaner machine makes them easy to operate.
  • WIDE RANGES OF USE: The ultrasonic gun cleaner designed with latest technologies, this professional ultrasonic cleaner is expert in cleaning, maintenance, oxidation, extraction, cavitation and more, which makes the ultrasonic cleaning machine accommodate users’ different needs.
  • ULTRASONIC CLEANER CAPACITY: 20L/5.28Gal, the ultrasonic tank size is 19.69″*11.81″*5.91″
  • This 20l ultrasonic carb cleaner is professional for cleaning carburetor, brass, metal parts, engine parts, motor repair tools, etc.
  • Extend the ultrasound cleaner’s working-life.
  • ULTRASONIC CLEANER POWER: 8 Super Power Industrial Grade 60W Ultrasonic Transducers (8x60W=480W)

38. ACDelco GM Original Equipment 10-3015 Engine Cylinder/Combustion Chamber Cleaner – 32 oz -Automotive

By ACDelco

  • Manufactured to meet specifications for fit, form, and function for General Motors vehicles as well as most makes and models
  • Premium aftermarket replacement part
  • Some ACDelco Gold parts may have formerly appeared as ACDelco Professional

39. Chemical Guys SPI_993_16 Nonsense All Surface Cleaner (Works on Vinyl, Rubber, Plastic, Carpet & More) Safe for Home, Garage, Cars, Trucks, SUVs, Jeeps, Motorcycles, RVs & More, 16 fl. Oz, Unscented -Automotive

By Chemical Guys

  • Concentrated, so the product can be diluted according to your needs
  • Removes dirt, grime and stains
  • Low foam for more effective cleaning power
  • Colorless and odorless cleaner
  • Transparent cleaning technology

40. 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 -Automotive


  • Use this product in your lawn mower, chainsaw, trimmer, snow blower, generator, and more.
  • If the engine does not start, attempt to turn it over a few times so the additive makes its way through the fuel system and allow to sit overnight
  • Start the engine and allow to run for 15 minutes to allow the additive to work its way through the fuel system
  • of STA-BIL Fast Fix per 2.5 gallons of fuel
  • VERSATILE – Compatible with all small engines, adding STA-BIL Fast Fix to your 2-cycle or 4-cycle small engine cleans carburetors and injectors while acting as a water remover
  • Be sure to mark the date you opened the bottle on the back of your package! Proudly made in the USA by a family-owned company in Chicago, Illinois.
  • SHELF LIFE – All STA-BIL branded products are good for use up to 2 years after the bottle was opened
  • bottle of this alcohol-free fuel additive treats up to 20 gallons of fuel.
  • Attempt to start again, if problems persist you may need to have it looked at by a mechanic.
  • This easy-to-use fuel additive combats the effects of ethanol blended gasoline.
  • DIRECTIONS – For rough running engines use 1 oz
  • Fill with fresh gas
  • FIXES ROUGH RUNNING ENGINES – STA-BIL Fast Fix eats away at gum and varnish that cause rough starts and no starts in your small engine equipment
  • ELIMINATES WATER – This fuel injector cleaner helps to remove water that may get into your fuel system
  • Penetrating deep into the fuel line, this simple fuel additive prevents the need to disassemble the engine
  • The 8 oz

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By Chemical Guys

  • Citrus-based formula removes corrosive brake dust, oxidation, oil, and dirt
  • Removes dirt and debris from tires
  • Cleans chrome, painted, polished and powder-coated wheels
  • Perfect for custom wheels

42. SONAX 543200-755 Engine Degreaser and Cleaner-16.9 fl. oz -Automotive

By Sonax

  • SAFELY REMOVES DIRT & GRIME – Remove grime on vertical surfaces and other stubborn or hard to reach areas
  • RESTORES YOUR ENGINE – Restore OEM factory shine & look on engines tools & parts
  • PROFESSIONAL DEGREASER – Ideal for handling the toughest jobs that other degreasers can’t handle
  • FAST & EFFECTIVE – Engine degreaser for all car engines machine tools parts and more
  • POWERFUL FORMULA – The perfect degreaser for removing the toughest oil grease mud dirt and grime off all of your vehicle engines

43. Seafoam Motor Treatment and Top Engine Cleaner Combo Package -Automotive

By Sea Foam

  • Get your motor clean today!
  • 1 Can of Seafoam Motor Treatment
  • 1 Can of Top Engine Cleaner with Smart Straw
  • Wrapped in convenient combo pack for your ease!

44. Ultrasonic Cleaner – DYNVIM 30L Ultrasonic Carburetor Cleaner,Sonic Cleaner,Ultrasound Gun,Lab Tool,Carburetor,Oil Filter,Bicycle,Engine Parts Cleaning Machine with Digital Timer and Heater(30L) -Industrial & Scientific


  • Free time setting among 1~99min with smart memory function: extensive time-setting range makes the device be the best ultrasonic cleaner for cleaning sundry small stuffs; especially the preset time can be memorized by the device even after power-off unless it is reset manually.
  • 40KHz frequency for intensive cavitation rinse: the ultrasonic cavitation machine can clean silver, gold, jewelry, rings, turquosie, diamonds, earrings, necklaces, gems, brackets, coins, retainer, bike chain, glasses, eyeglasses,brass, gun, carburetor, pcb boards, vinyl record, carb, parts etc.
  • 30L/7.92Gal full volume and 24L/6.34Gal effective volume: the sonic cleaner or lab ultrasonic cleaner can clean any stuffs which are not longer than 470mm or 18.5inch.
  • NOTE: The device only starts heating when the preset temperature is higher than the actual temperature of cleaning solution.
  • Die-casting SUS304 stainless steel tank: make the portable ultrasound machine resistant to weak acid and weak alkalis.
  • 32~176°F/0~80°C heating temperature range for degreasing and dewaxing with smart memory function: the ultrasonic washing machine can heat to reduce the adhesion strength of oil and wax so as to improve the ultrasonic cleaning effect; especially the preset temperature can be memorized by the device even after power-off unless it is reset manually

45. TCP Global Engine Cleaning Gun with Wand and 4 Foot Siphon Hose – Air Spray Gun Blasts Away Removes Grease, Grime, Oil and Dirt From Car Engines, Paint Coatings – Spray Solvent Degreaser Soap Kerosene -Automotive

By TCP Global

  • Includes a 4 foot siphon tubing hose with a built-in solution strainer.
  • Specifications – Operating Pressure 50 to 90 PSI; Air Consumption: 3.0 CFM; Air Inlet: 1/4″ NPT
  • Gun features a round pressure trigger and also has a knob for fluid flow control.
  • Use Multiple Cleaner Types – This easy to maneuver lightweight high pressure gun can be used with a variety of cleaning solutions, degreasers, soaps, solvents, oils and kersosene.
  • Easily Remove Grease and Grime – Operates at high pressure making it easy to blast away grease, grime, oil and dirt from car engines, engine bays, machinery and paint coatings
  • High Performance Engine Cleaning Gun – Professional high pressure engine cleaning gun with wand and a long reach angled nozzle that allows you to clean in hard to reach areas around your engine
  • Buy with confidence, if you’re not satisfied with this item at anytime within the first year of purchase, we’ll provide a refund or replacement.

46. Dura Lube HL-40831-06 Sludge Away Engine Cleaner, 32-Ounce, Single -Automotive


  • Repeat application as needed until performance and oil color returns to normal; oil color should be amber to a dark brown, not black
  • Check oil pan to review sludge consistency on discarded oil
  • For more severe sludge build up, change the oil and add Sludge Away engine product every 1,000 miles
  • Sludge Away engine product works with all types of motor oils including high mileage and synthetics
  • For repeated use, change oil every 3,000 miles on most passenger vehicles by substituting 1 quart of motor oil with Dura Lube Sludge Away
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47. Engine Cleaner Gun 6530-0000-1 -Industrial & Scientific

By Binks

  • Price For: Each Air Inlet: 1/4″ Item: Conventional Spray Gun Item: Conventional Spray Gun Fluid Delivery Type: Siphon Fluid Delivery Speed: Fast Includes: Siphon Hose Air Consumption: 14.0 cfm @ 50 psi Nozzle Size: 0.128″/3.3mm Country of Origin (subject to change): United States

Best Brands

Buying a product from a reputable manufacturer that provides high brand value is one of the most essential things. Based on my research, here are the top brands that make the best engine cleaner.

  • Gunk
  • Chemical Guys
  • Chevron
  • P21S
  • SQ
  • Griot’s Garage
  • Simple Green
  • Air Filter Cleaner

The Buyer’s Guide

Although the aim of this list is to help you choose the best option for your needs. This guide shall help you make an informed purchase decision. Here are the few things to consider when choosing a engine cleaner.

1. Features

There’s no point in purchasing a engine cleaner that doesn’t solve your usage needs. Sometimes, even the best option wouldn’t have all the options you’d need. That’s why list down all your feature requirements and make sure that the option you’ve chosen comes with all of them.

2. Budget

Budget plays an important role, if it wasn’t for the budget, wouldn’t everyone purchase the most expensive option? However, before you decide the budget, I’d recommend you to make a list of features you’d need. In case a feature you need the most isn’t available in your budget range, then there’s no point in buying it, is there?

My advice is to make sure that the product has all the features you need then decide the budget. If a product you’ve chosen isn’t having all the features you need, then you should consider increasing your budget.

3. Value For Money

There are times when you shall come across various engine cleaner that shall have all the features you need. However, the price difference shall exist. In a situation like this, it is recommended to value each feature and make sure that you’re not overpaying for a feature you wouldn’t use.

4. Brand, Customer Support, & Warranty

Purchasing a product from a reputed brand is very important. Not only does it guarantee high-quality build, but you also get much better customer support.

You should also make sure that it has a decent warranty, it is really helpful in case a product breaks down due to manufacturing defects. Also, repairs during warranty are generally free of cost (depends on service terms).

5. Individual Product Reviews

You don’t have to watch individual reviews of each engine cleaner in this list. However, pick 2-3 options that have all the technical aspects according to your usage needs. Once you’re ready with it, go to YouTube/Amazon and look at video/customer reviews to make sure that the existing buyers are satisfied with the product.

The FAQs

Which is the best engine cleaner?

According to my research, the Gunk FEB1 Foamy Engine Brite Engine Cleaner – 17oz. 2 Pack is the best option.

Is Gunk a reliable brand?

It’s one of the best brands, not only does it make the top-rated engine cleaner, but it also is known for its exceptional service.

Which is the cheapest yet powerful engine cleaner?

According to me, the QPKING Automotive Engine Intake Pipe Valve Clean Machine Valvetronic System Walnut Powder Sand Carbon Deposits Cleaner Automotive Cleaning Tools AUTO Engine System Cleaners is one of the cheapest options available and yet has all the features.

Are there deals going on?

A few of the options in our article are currently available for a discounted price. However, check out the product listing to find more information.

What brands should I consider when purchasing?

Based on my research, these are the top 5 brands: Gunk, Chemical Guys, Chevron, P21S, and DK SONIC.

Should I buy it online or go to an offline store?

Shopping online comes with a few advantages such as discounted pricing, quick delivery at home. However, if you’re in a hurry or can find the product for a cheaper price in the offline market, consider visiting the offline store.

The Verdict

Choosing the right product isn’t easy and for many of them it could be a time consuming task. However, with this guide, my aim is to help you guys find the perfect engine cleaner for your needs.

I’ve done a huge research to ensure that options I’ve listed are among the best. Like mentioned above, I also interviewed many experts to make sure that the enlisted models are high quality.

I hope that you’re able to find the right engine cleaner for your usage. If you are still struggling to find one, feel free to comment below or contact me.