Engine Degreasers

Best Engine Degreasers 2020: Buyer’s Guide

The professional strength of a prime degreaser provides all cleaning needs. Specific metal and engines are safe in all automotive details, including paint, plastic, and leather and rubber coat. Three-step installations (Spray on, wipe off and wipe dry) are considered a lazy task, but with all our TOP-rated degreaser, it’s easy to meet CDS cleaning specifications. You can protect any automotive surface that exposed to salt in case you select up Biodegradable formula. The benefit you earn is dissolving extra grease and oil with guarding powerful bio-solvent action. We sort out the Best Engine Degreasers in this ultimate guide, read all products loud.

Our top pick

CRC SX128 Salt Terminator Engine Flush, Cleaner and Corrosion Inhibitor
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Key Features

  • Works at the exterior of Engine
  • Prevents salt air & grease
  • Protective inhibit corrosion coating
  • Biodegradable formula & Best-selling worldwide

CRC SX128 Salt Terminator Engine Flush, Cleaner and Corrosion Inhibitor

You can select the product as an ultimate salt terminator. Run a boat in saltwater, spraying down the CRC SX128 trailer in the exterior of the engine. Besides, it is considered as the best-selling product on the Automotive niche that dissolves mineral in a significant way. Using a brass nozzle, it can be used in an excellent method. Make sure when flushing the motor, the applicator runs till the solution. For the best result, rinse the interior of the engine as well.  

The best feature of CRC is protecting an engine from anything exposed to salt air and road. Using the solution, you’re able to upgrade a protective coating to inhibit corrosion. As a Biodegradable formula, it causes no side effect to the material.

What Are Engine Degreaser & Types of Engine Degreaser?

Engine degreaser is a formula to clean up regular or tough dirt, oil, and grease from engines. Removing excessive fat of materials decreases high operating temperatures. Over greasing can lead the maintenance program to hell like energy loss and failures. Remember, an over lubricating engine can be a severe problem and impossible to correct. In case, being determined to fix a lubricate amount helps the automotive instruction to utilize its best performance. And, eliminating excessive grease is possible by a well-reviewed engine degreaser. Best types of engine degreaser come as Biodegradable and alcohol-free specification liquid. 

How we picked these top 8 best Engine Degreasers?

Automotive specialist of CarFiction held research on the machine and Engine degreaser to invent how exactly it decreases over greasing. You’ll be amazed to know that our experiment was applied to 100 proficient degreasers. To be honest, each of the brands run smoother and provides a long-lasting result. But, there was some difference between deep foaming penetrating action; most of them hadn’t sturdy stream quality so that it has shown a varied effect to remove grease, oil, and grime without engine disassembly. Therefore, we’ve selected the TOP 8 ENGINE DEGREASER for auto, truck, and multipurpose use. You must be benefited from power equipment and other metal tools. Safe for use on metal specifications.

Reviews of 8 best Engine Degreasers 2020

CRC SX128 Salt Terminator Engine Flush, Cleaner and Corrosion Inhibitor
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Key Features

  • Salt terminator
  • Protective sheen against salt corrosion
  • Ideal for anything that relates to corrosive salt

CRC provides excellent management to remove excess grease depending on engine corrosion inhibitor cleans. Salt terminator is the main focus of this product that combines engine flush and cleaning method without a hitch. You are highly recommended to use CRC for creating a protective coating to prohibit corrosion. No matter how marine engines are used in both saltwater and freshwater, CRC is an essential solution as a protective coat that dissolves salt. 


  • Protection of salt water, salt air and road salt
  • Grade-1 motor flush for marine engines
  • Best in freshwater


  • Most of the reviewer thinks that Salt-Away cleanser results as expectation than CRC
  • The plastic jug comes in fragile production

We recommend rinsing tailored boats, PWC, dive gear, and fishing gear to purchase CRC SX128 to protect from corrosion. Using the product keeps the engine flushing unit in the run for a lifetime. It is a product with all-in-one features and listed in Amazon’s choice. Click here to check the latest price.

Aero Cosmetics Wash All Multi-Purpose Cleaner and Degreaser
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Key Features

  • Professional multi-purpose degreaser kit
  • Alcohol & Ammonia-Free
  • Biodegradable
  • Used with or without water
  • Airbus and Aircraft Specifications

An Aero cosmetic is an all-in-one kit for all cleaning needs. It is certified and professionally used as a degreaser. Besides working great on automotive materials, it is safer at household chores. In a vehicle, you must be seen weird damage on the manganese area; it is black kind of stains or streaks. Aero cosmetics degreaser works efficiently to remove those black stains that are usually found after oxidized paint. You’re advised to try this one for Boat, RV, Car, Bike, and even Aircraft purposes. 

It is incredible to know that people buy the degreaser for the diesel exhaust and aircraft turbine soot also. Never worry about using it on any kind of paint, plastic, steel, leather, and even fabric. Wherever you demand multipurpose cleaner, you’re allowed to do so.   


  • Spray on and wipe off (Instant Result)
  • Can be placed in all automotive tools
  • Certified for aircraft turbine soot
  • Household applicable
  • Non-alcoholic ingredients; safer to rinse off


  • Not similar process as soap and water mixture
  • A reviewer claims that black shade of his car tires fades away and tan
  • Temporary use in a gallon

If you need a multipurpose degreaser that solves hundred of black stains puzzles, buy it. Besides being the best engine degreaser, it allows you to remove any kind of streaks. The product is available on Amazon, click here to check updates.

Meguiar's G18220 Ultimate Liquid Wax
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Key Features

  • Thin Film technology
  • Advanced synthetic crosslink
  • Hydrophobic Polymer technology
  • Ultimate Liquid Wax

Meguiar is ultimately an excellent wax that has been using exclusive film technology for complete stain removal. It is considered a more accessible application; you’re allowed to wax your vehicle even in full sun. Another feature of Meguiar’s proprietary (Hydrophobic Polymer Technology) helps the water beads to roll right off. Besides regular cleanup, you can set a synthetic wax for premium protection that never leaves any residue on trim and plastic. 


  • Ultra simulated protection
  • Never stain non-painted white pieces
  • 99.9% safe and effective on glossy paints
  • Long-lasting barrier


  • Zymol Z503 and Nu Liquid results better, Dino Bravo said
  • Wax can be separated into two liquids you may not like
  • It leaves an oily residue if rains

Wherever you require specific liquid-like that is very easy to apply, Meguiar builds in trust. It never leaves a white residue, nor does it produce an overwhelming smell. Buy Meguiar’s like an ultimate liquid wax if you want to run pride deep with submarine reference. Click here to purchase the product on Amazon; check the latest price.

Chemical Guys CLD_201_16 Signature Series Orange Degreaser
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Key Features

  • Advanced citrus infused formula
  • Signature Series (Orange degreaser)
  • Applicable to Off-road and 4x4 vehicles

Do you intend to buy a degreaser in the signature series? ‘Chemical guys’ is an orange designed to eliminate emulsify grease, oil, dirt, and extra grime. Never miss using a professional-grade that is usable to the engine and all machinery tools. The highlight of ‘Chemical guys’ is breaking down the most hardened grease. Therefore, the signature series inspires multipurpose use for all situations.  

Though it’s hard for most of the wax to remove longtime grime from your car, Chemical guys make it desirable. You can choose using the degreaser to the truck, motorcycle, boat, and even RV for a prime result. Never hassle using this series to get back the original black look of the tires, wrenches, ratchets, and also in the screwdrivers. 


  • Results 10X efficient than generic degreasers
  • Removes hardened grease and grime
  • Usable to engines, machinery tools, and undercarriages
  • Super diluted


  • Smell like a pang factory

All-in-one kit provides the most emergency requirement in the case of industrial and 4×4 vehicles. If you like a degreaser in signature series, pay for Chemical Guys. Check out Amazon through click here for the latest price and updates.

Oil Eater Original 1 Gallon Cleaner/Degreaser
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Key Features

  • USDA approved
  • Non-hazardous
  • Non-toxic
  • Cleaner Degreaser: 1 Gal

‘Oil Eater’ is a water-based but biodegradable degreaser that can be used for almost all mechanical purposes. Even in the septic system, it works great. No matter how puzzle and deep the automotive grease on, ‘Oil Eater’ dissolves it on the spot. The most attractive part of the degreaser is non-toxic, and USDA approved. You’re allowed to implement this degreaser for Mechanical, Industrial even in household uses.


  • Dissolves grease and oils from hard materials
  • Water-based, Industrial and household applicable
  • Biodegradable
  • Abrasive or petroleum solvents


  • Oil stains appear wet after applying this stuff
  • Not concentrated on multipurpose except household cleaner (Client review)

Dissolving grease and oils safely with a premier degreaser is highly recommended. You can try the USDA approved product for maximum performance; Click here to check ‘Oil Eater’ on Amazon now. Check out the latest price.

Gunk EB1CA One Each, 15 oz. Automotive Accessories
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Key Features

  • Manufacturer: GUNK
  • Production: United States
  • Auto and Truck strategy loaded
  • Original engine formula

Gunk, one of the best selling engine degreaser made of original engine solutions. Gunk simulates its strategy for older and greasy engines. Besides cleaning up the run cooler of diesel, this degreaser works on multiple vehicle types (Example: Car, trucks, RV’S, ATVs, bikes, and even in power mowers). Astonishing is that Gunk is a multipurpose brand for industrial, agricultural, and mechanical purposes. 15 minutes Spray and hose off combination get you the great result.


  • Industrial Equipment
  • Water permitted to use
  • 15 minutes installation
  • Best selling
  • Multiple vehicles purpose


  • You must pay more attention to spray, wait and rinsing off for ultimate result
  • Once the item arrives damaged, it takes longer shipping for a replacement
  • Chemical smell

Click here to check out GUNK degreaser’s latest offer on Amazon. It is highly recommended and an available brand in all seasons. Never miss being in a touch of this ‘Best Selling’ product.

Simple Green 19128 Crystal Industrial Cleaner/Degreaser
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Key Features

  • Industrial degreaser
  • Critical cleaning applications
  • Fragrance-free solution
  • OSHA and EPA pattern

Sometimes you are in need of a concentrated degreaser that can be used for both pressure and steam cleanup; Simple Green is the high maintenance wax of the decade. At least 82% client claims it 5-star because of its substantial exempt protection requirements and OSHA, EPA specialty. The main focus of using ‘Simple Green’ industrial is for machinery, tools, and application material. No matter how deep the grease simulated, simple crystal green provides a critical cleaning solution.


  • Non-toxic
  • Biodegradable
  • Safe for steam cleaning
  • Excellent in all material parts
  • No added color or fragrance


  • Don't work great to grease out of clothes
  • A reviewer reports 1-star saying that it was twisted and made of cheap tape

Whatever if you read a minimum bad review, ‘Simple Green’ has an average rating of 4.6 out of 5.00. It is the right degreaser for a critical cleaning solution in any metal application. Click here to check Amazon for the latest price and features.

WD-40 300363 Specialist Industrial-Strength Cleaner & Degreaser
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Key Features

  • Industrial-Strength cleanup
  • Water-based
  • Non-aerosol formula
  • Bio-solvent engineer

WD-40 is a world-renowned brand for special degreaser treatment on industrial strength and material purposes. Water-based performance is a mandatory task for all automotive mechanics. In case, WD-40 assures the 100% quality with bio-solvent formula and sensitive surfaces. It works like magic when breaking through hard grease and grime. WD-40 is protection against flash rust, and you can achieve the degreaser formula in 5-different sizes; 24-oz and 32-oz refillable trigger, 5-gallon jug in pour picket, and 55-gallon drum.


  • The quick result on hardened grease & grime
  • Excellent cleanup for greasy automotive parts
  • Versatile for commercial, automotive and industrial tools
  • The bio-solvent formula protects metal against flash rust


  • Glen Peterson, an Amazon reviewer, reports that WP-40 didn't work for his fishing reels
  • Another review mentions that gallon of Weiman Gas Range gas works more effective

WD-40 is our last suggestion as it ensures bio-solvent formula to eliminate grime with industrial strength. It is a versatile product for all metallic use. Click here to see the product price and availability on Amazon.


  • Is it safe to use an engine degreaser?Best Engine Degreasers

For the ultimate reliability, it’s smart to pick out the Top-rated Engine degreaser. As you can see, all the following products in our listings have particular environmental handling labels; they’re both “environmentally safe” and “biodegradable.” You need to tend that degreasing solution dissolves the grease easily without any hazardous attempt.

  • Is It Safe To Spray Water Directly To Engine Bay?

Yeah, it is safe to spray though it depends on the Engine. Not all automotive systems created equal specially Engines. When it comes to cleaning a car above 2003 maximum wires remain water-sealed so that covering alternator, intake, the battery is enough to rescue. Plus, the complex engine uses TurboCharger so that it covers the flexible components depending on the modification. 

  • Does WD 40 Remove grease?

WD-40 is a petroleum-based cleaner. It is used for households beside the garage purposes. Though it is used for various intentions, WD-40 is created to clean adhesive, grease, and grime. Not as a degreaser but also it benefits the lubricating metal parts throughout your house. 

Resources: How to Clean an Engine – popularmechanics

Final Thought

Engines play an essential role in a vehicle or other running kinds of stuff. Being messy of stains, grease and oil get them trouble. In case you’ve to pick out the best engine degreaser for minimal maintenance attention. Besides aesthetic appearance, it increases the lifespan. As we have discussed on the probable damage you may face with full-blown issues can be eliminated with our Top-picked products. Get all it is appealing in use.  

Amazon Bestseller Products 2020

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