10 Best engine cleaners 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

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
- country of origin:USA
- special features:Concentrated
9.6

Exceptional

Our Rating

9.3
Simple to take off

9.1
Simple to use

8.7
worth the money
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
- country of origin:China
- special features:Low-residue, water-based
9.5

Excellent

Our Rating
4

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.
9.4

Excellent

Our Rating

9.9
Simple to use

9.5
worth the money

8.7
Aroma
5

KRAKEN BOND

KRAKEN BOND Engine Cleaner Spray - (2x12.3 fl. Oz) Engine Degreaser for Engine Bay, Gunk, and Motor | 2 Pack
9.1

Excellent

Our Rating
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6

Griot's Garage
Griot's Garage Engine Cleaner for Car, Motorcycle, Boat, RV, and Truck, Oil, Dirt, and Grime Remover, 11158, One Gallon
Main highlights

Loosens and Breaks Up Grease
The Griots Garage 11158 Engine Cleaner effectively loosens and breaks up grease, grime, and engine gunk, ensuring a thorough clean.

Ideal for Engine Cleaning
Perfect for cleaning engine parts and readying your powerplant for dressing, ideal for vehicles subjected to dirt and dust.

Ease of Use
Customers commonly praise its ease of use, highlighting the simple spray-on, agitate, and wipe clean application process.
8.9

Very Good

Our Rating

9.7
Aroma

9.5
Simple to use

9.3
worth the money
7

Gunk
Gunk FEB1 Foamy Engine Brite Engine Degreaser - 17oz.
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.
8.8

Very Good

Our Rating

9.7
Simple to use

9.3
worth the money

8.7
Simple to clean
8

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.
Key specs
- Usage:Cleaner, degreaser, deodorizer
- Dimensions:11.7 x 5.9 x 5.9 inches
- Features:Industrial strength, concentrated
- Material:Biodegradable
- Strength:Industrial strength
8.7

Very Good

Our Rating

9.9
deep clean

9.7
worth the money

9.7
Simple to use
9

SONAX
SONAX Engine Cleaner | Powerful Engine Degreaser for Oil & Grease Removal | Safe on Metal, Plastic & Rubber | Phosphate & Solvent-Free Formula | Deep-Cleaning for Hard-to-Reach Areas | 543200 | 500 ml
Main highlights

Powerful Formula
Perfect for removing the toughest oil, grease, and dirt from engines.

Ideal Use for Engine Cleaning
Best for deep cleaning car engines and machine parts.

Customer Praised Performance
Highly effective on plastic components with minimal scrubbing.
8.6

Very Good

Our Rating

9.3
Simple to use

8.4
worth the money
10

WASH&WHIPS
WASH&WHIPS Green Hell Engine Machine Cleaner & Degreaser - Car Engine Detailing Professional Strength Cuts Through Grime, Grease, Oil, Debris & Build-up, 16 fl oz
Main highlights

Tough on Grime
Green Hell cuts through grease, grime, and oil with a professional-strength formula, restoring shine without damaging your engine.

Ideal for Engine Maintenance
Perfect for cleaning engines, machinery, tools, and floors; suitable for both commercial and home use.

Highly Effective Degreaser
Customers praise its ability to remove stubborn grease and grime efficiently, with minimal scrubbing needed.
8.4

Good

Our Rating

9.5
Simple to use

8.4
worth the money

8.0
Aroma

10 Best engine cleaners 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

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

3

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

4

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

5

KRAKEN BOND Engine Cleaner Spray - (2x12.3 fl. Oz) Engine Degreaser for Engine Bay, Gunk, and Motor | 2 Pack

6

Griot's Garage Engine Cleaner for Car, Motorcycle, Boat, RV, and Truck, Oil, Dirt, and Grime Remover, 11158, One Gallon

9.7

9.5

9.3

7

Gunk FEB1 Foamy Engine Brite Engine Degreaser - 17oz.

9.7

9.3

8.7

8

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

9.9

9.7

9.7

9

SONAX Engine Cleaner | Powerful Engine Degreaser for Oil & Grease Removal | Safe on Metal, Plastic & Rubber | Phosphate & Solvent-Free Formula | Deep-Cleaning for Hard-to-Reach Areas | 543200 | 500 ml

9.3

8.4

10

WASH&WHIPS Green Hell Engine Machine Cleaner & Degreaser - Car Engine Detailing Professional Strength Cuts Through Grime, Grease, Oil, Debris & Build-up, 16 fl oz

9.5

8.4

8.0

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