10 Best engine degreasers of 2025

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Best Choice

1

Gunk

GUNK Original Heavy Duty Engine Cleaner & Degreaser (EB1) - 17 oz. (Case of 12) - Super Clean Automotive Spray for Car Engines - Engine Degreaser - Super Clean Degreaser
9.7

Exceptional

Our Rating

9.9
worth the money

9.9
Simple to use
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Value for Money

2

SQ
SQ Engine Cleaner and Degreaser, 12 Pack, 14.5 Oz per can
Main highlights

Key Features
Water-free, highly penetrant, removes rust, oil, grease, soot. Eco-friendly, 50 states compliant. Perfect for maintenance and restoration.

Ideal Use Cases
Ideal for cleaning engines, tools, and metal parts. Exceptional in automotive, marine, and home workshops for quick, efficient cleaning.

Customer Reviews
Most praised for its effectiveness in removing tough grime and rust without water, leaving surfaces clean and protected.
Key specs
- size:11 x 10 x 9 inches
- application:Highly penetrant
- usage:Removes rust, oil, grease
- special features:Water-free formula
- country of origin:N/A
9.5

Excellent

Our Rating
3

WD-40 Specialist
WD-40 Specialist Machine & Engine Degreaser Foaming Spray, 18 OZ
Main highlights

Powerful Degreasing Performance
Removes oil, dirt, grime, and grease effectively from machinery and engines.

Versatile Application Areas
Ideal for auto engines, industrial machinery, and farm equipment cleaning.

Highly Praised Effectiveness
Customers appreciate its ability to clean with minimal effort.
Key specs
- size:3 x 3 x 10 inches
- application:Auto, truck engines
- usage:Engine degreaser
- special features:Low-residue, water-based
- country of origin:China
9.4

Excellent

Our Rating
4

CRC
CRC 05483 Heavy Duty Pro-Strength Degreaser, 20 Wt Oz, [1 Pack]

13% Off
Main highlights

Aggressive Yet Gentle Formula
The CRC Heavy Duty Pro-Strength Degreaser combines powerful cleaning with a gentle touch, suitable for diverse applications without harsh odors.

Versatile Application Range
Ideal for automotive parts, maintenance equipment, and heavy machinery, ensuring thorough cleaning across various surfaces including chrome and painted areas.

No Odor Feature Praised
Customers appreciate the no-odor formula, making it pleasant to use without harsh chemical smells.
Key specs
- Date First Available:January 4, 2024
- Package Dimensions:9.25 x 2.99 x 2.91 inches
- Manufacturer:CRC
- Item Model Number:05483
- ASIN:B0CRJRX7FY
9.3

Excellent

Our Rating
5

3D
3D Grand Blast Engine Degreaser – Heavy Duty Biodegradable Cleaner for Engines, Wheels, Exhausts & More – Fast-Acting, Non-Staining – Made in USA – 1 Gallon
Main highlights

Powerful Degreasing Action
3D Grand Blast is a heavy-duty degreaser that effectively removes tough dirt, grease, and grime.

Versatile Cleaning Applications
Ideal for cleaning engines, machinery, tools, and floors in both commercial and home settings.

Biodegradable Formula Praised
Customers appreciate its biodegradable, easy-rinse formula that leaves no strong chemical smell.
9.2

Excellent

Our Rating

9.9
Simple to use

9.5
worth the money

8.7
Aroma
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6

Gunk
Gunk FEB1 Foamy Engine Brite Engine Degreaser - 17oz.

13% Off
Main highlights

No Scrubbing Needed
This product effectively removes grease, dirt, and grime from most engines without the need for scrubbing, making it a convenient cleaning solution.

Ideal for Engine Cleaning
Best used for cleaning engine components, including those of cars like the Honda Fit and Ford Focus, as well as lawnmower motors.

Highly Effective on Grease
Customers consistently praise its ability to remove grease and grime efficiently, leaving engine parts looking almost new with minimal effort.
9.1

Excellent

Our Rating

9.7
Simple to use

9.3
worth the money

8.7
Simple to clean
7

Simple Green
Simple Green 13005CT Industrial Cleaner and Degreaser, Concentrated, 127.8 Fl Oz, Pack of 1, White

24% Off
Main highlights

Concentrated Formula for Versatility
Cost-effective concentrated cleaner can be diluted for various tasks.

Ideal for Heavy-Duty Cleaning
Perfect for cleaning vehicles, equipment, floors, and more.

Praised for Effectiveness on Stains
Highly effective in removing tough stains and grime.
9.0

Excellent

Our Rating

9.9
deep clean

9.7
worth the money

9.7
Simple to use
8

Oil Eater
Oil Eater Original 1 Gallon Cleaner, Degreaser - Dissolve Grease Oil and Heavy-Duty Stains – Professional Strength

23% Off
Main highlights

Powerful_Cleaning_Performance
Dissolves grease, oil, and dirt from any washable surface.

Versatile_Use_Cases
Ideal for cleaning floors, driveways, grills, and automotive parts.

Customer_Praised_Effectiveness
Highly effective at removing heavy-duty stains effortlessly.
Key specs
- Usage:Cleaning surfaces
- Special Features:Biodegradable, ultra concentrated
- Form:N/A
- Volume:N/A
- Perfume:N/A
8.9

Very Good

Our Rating

8.9
Simple to use

8.7
deep clean

8.0
worth the money
9

Chemical Guys
Chemical Guys Signature Series Orange Degreaser, Heavy-duty All-purpose Cleaner For Engines, Tires, Undercarriages & More, Professional Strength Formula, Breaks Down Grease, Oil & Grime - 128 fl oz

25% Off
Main highlights

Key Features
Professional-strength, super concentrated citrus degreaser for maximum cleaning power. Versatile, customizable solution for heavy-duty cleaning.

Ideal Use Cases
Perfect for removing engine grime, motor oil, and road dirt from cars. Great for detailing wheels, suspension, and undercarriage components.

Customer Praise
Highly praised for its effectiveness in removing tough grime and grease, with users appreciating its versatility and concentration.
Key specs
- size:11.81 x 6.42 x 4.02 inches
- application:Remove dirt, grime, grease
- usage:Professional-strength citrus degreaser
- special features:Concentrated
- country of origin:USA
8.8

Very Good

Our Rating

9.3
Simple to take off

9.1
Simple to use

8.7
worth the money
10

WD-40 Specialist
WD-40 Specialist Degreaser with Smart Straw, Heavy-Duty Degreaser for Breaking Down Grease on Engines, Heavy Machinery, Power Equipment and Metal Tools, Industrial Strength Fast-Acting Formula, 15 Oz
Main highlights

Fast-Acting Grease Breakdown
Industrial-strength solvent quickly removes tough grease from machinery.

Ideal for Heavy Machinery
Perfect for engines, gears, and tools needing rust prevention.

Highly Praised Rust Prevention
Customers love the protective layer that prevents rust reforming.
8.7

Very Good

Our Rating

10 Best engine degreasers of 2025

1

GUNK Original Heavy Duty Engine Cleaner & Degreaser (EB1) - 17 oz. (Case of 12) - Super Clean Automotive Spray for Car Engines - Engine Degreaser - Super Clean Degreaser

9.9

9.9

How do we rank?

How do we rank?

Analyzing top stores

2

SQ Engine Cleaner and Degreaser, 12 Pack, 14.5 Oz per can

3

WD-40 Specialist Machine & Engine Degreaser Foaming Spray, 18 OZ

4

CRC 05483 Heavy Duty Pro-Strength Degreaser, 20 Wt Oz, [1 Pack]

5

3D Grand Blast Engine Degreaser – Heavy Duty Biodegradable Cleaner for Engines, Wheels, Exhausts & More – Fast-Acting, Non-Staining – Made in USA – 1 Gallon

9.9

9.5

8.7

6

Gunk FEB1 Foamy Engine Brite Engine Degreaser - 17oz.

9.7

9.3

8.7

7

Simple Green 13005CT Industrial Cleaner and Degreaser, Concentrated, 127.8 Fl Oz, Pack of 1, White

9.9

9.7

9.7

8

Oil Eater Original 1 Gallon Cleaner, Degreaser - Dissolve Grease Oil and Heavy-Duty Stains – Professional Strength

8.9

8.7

8.0

9

Chemical Guys Signature Series Orange Degreaser, Heavy-duty All-purpose Cleaner For Engines, Tires, Undercarriages & More, Professional Strength Formula, Breaks Down Grease, Oil & Grime - 128 fl oz

9.3

9.1

8.7

10

WD-40 Specialist Degreaser with Smart Straw, Heavy-Duty Degreaser for Breaking Down Grease on Engines, Heavy Machinery, Power Equipment and Metal Tools, Industrial Strength Fast-Acting Formula, 15 Oz

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