10 Best end engine cleaners of 2025

Save up to 13% off

Best Choice

1

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

Key Features
Premium aftermarket replacement, meets GM specifications, fits a wide range of makes and models for versatility and reliability.

Ideal Use Cases
Optimal for General Motors vehicle repairs, and suitable for a broad array of other vehicle makes and models.

Customer Praise
Most reviews highlight its perfect fit and exceptional performance as comparable to OEM parts, enhancing vehicle reliability.
Key specs
- Product Dimensions:3.25 x 3.25 x 8.75 inches
- Application:General Motors vehicles
- Special Features:Premium aftermarket replacement
- Cleaning Method:N/A
- Country of Origin:USA
9.9

Exceptional

Our Rating

9.9
distance

9.3
worth the money

8.9
Simple to use
How do we rank?

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Based on millions of stores and reviews

Shoppers influence our rankings
Analyzing top stores
Value for Money

2

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.
9.8

Exceptional

Our Rating

9.9
Simple to use

9.5
worth the money

8.7
Aroma
3

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

11% Off
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.
9.7

Exceptional

Our Rating

9.3
Simple to use

8.4
worth the money
4

KRAKEN BOND

KRAKEN BOND Engine Cleaner Spray - (1x12.3 fl. Oz) Engine Degreaser for Engine Bay, Gunk, and Motor | 1 Pack
9.4

Excellent

Our Rating
5

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.
9.2

Excellent

Our Rating

9.7
Aroma

9.5
Simple to use

9.3
worth the money
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6

Sea Foam
Sea Foam Spray Engine Intake Valve Cleaner, SS14, 14 oz, Pack of 2
Main highlights

Key Features
EPA registered, oxygen sensor safe, improves engine performance by cleaning pistons and intake valves, and helps pass emission tests.

Ideal Use Cases
Perfect for resolving engine hesitation, stalls, pings, flat spots, and rough idle caused by carbon buildup.

Customer Praise
Most reviews highlight its effectiveness in smoothing engine idle and significantly improving vehicle performance after use.
8.9

Very Good

Our Rating

9.7
worth the money

9.3
distance
7

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.
8.7

Very Good

Our Rating

9.5
Simple to use

8.4
worth the money

8.0
Aroma
8

STA-BIL

STA-BIL Fast Fix - Small Engine Treatment, Cleans Carburetors & Injectors, Fixes Rough Running Engines, Eliminates Water, Carb Cleaner & Fuel Injector Cleaner Treats Up to 10 Gallons, 4oz

12% Off
8.5

Good

Our Rating

9.9
Stability

9.7
Simple to use

9.1
worth the money
9

Hzutloer

Hzutloer Engine Cleaner Spray- 6.76 Fl. oz（200ML）, Car, Pickup, Van, Motorcycle,Automotive and Machine Engine Cleaner, Removes Dirt, Grime,Grease Remover
8.3

Good

Our Rating
10

NORTHWEST ENTERPRISES
NORTHWEST ENTERPRISES Ultrasonic Cleaner Solution for Carburetors and Engine Parts. Concentrated Washing Compound for use in Ultrasonic Machines and Immersion Washers - Automotive Fluid (32 oz)

13% Off
Main highlights

Highly Effective and Safe Cleaning
This ultrasonic cleaner fluid removes contaminants from carburetors and engine parts quickly and safely, without damaging delicate components.

Perfect for Carburetors and Engine Parts
Ideal for cleaning car and motorcycle carburetors, engine components, valves, and other small parts using ultrasonic machines.

Leaves Parts Clean and Bright
Customers consistently praise the product for leaving parts clean and bright, without discoloration, even on sensitive metals like aluminum.
Key specs
- Product Dimensions:10.08 x 3.35 x 3.31 inches
- Application:Carburetor cleaner
- Special Features:Ultrasonic Cleaner Fluid
- Cleaning Method:Ultrasonic cleaning
- Country of Origin:N/A
8.1

Good

Our Rating

9.7
Simple to use

9.3
Simple to clean

8.0
worth the money

10 Best end engine cleaners of 2025

1

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

9.9

9.3

8.9

How do we rank?

How do we rank?

Analyzing top stores

2

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

3

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

4

KRAKEN BOND Engine Cleaner Spray - (1x12.3 fl. Oz) Engine Degreaser for Engine Bay, Gunk, and Motor | 1 Pack

5

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

6

Sea Foam Spray Engine Intake Valve Cleaner, SS14, 14 oz, Pack of 2

9.7

9.3

7

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

8

STA-BIL Fast Fix - Small Engine Treatment, Cleans Carburetors & Injectors, Fixes Rough Running Engines, Eliminates Water, Carb Cleaner & Fuel Injector Cleaner Treats Up to 10 Gallons, 4oz

9.9

9.7

9.1

9

Hzutloer Engine Cleaner Spray- 6.76 Fl. oz（200ML）, Car, Pickup, Van, Motorcycle,Automotive and Machine Engine Cleaner, Removes Dirt, Grime,Grease Remover

10

NORTHWEST ENTERPRISES Ultrasonic Cleaner Solution for Carburetors and Engine Parts. Concentrated Washing Compound for use in Ultrasonic Machines and Immersion Washers - Automotive Fluid (32 oz)

9.7

9.3

8.0

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