Our rankings are generated through the algorithmic analysis of thousands of customer reviews about products, brands, merchant customer service levels, popularity trends, and more. We use advanced technology, including AI, to help process and organize this information at scale, supporting our analysis with greater speed and consistency. The rankings reflect our opinion and should be a good starting point for shopping.
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10 Best engine cleaners of 2026
Save up to 41% off
Best Choice1
KRAKEN BOND9.6Exceptional
KRAKEN BOND Engine Cleaner Spray - (2x12.3 fl. Oz) Engine Degreaser for Engine Bay, Gunk, and Motor | 2 Pack
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asin:B0BRYCVNMP
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product dimensions:2.55 x 2.55 x 9.25 inches 1.9 Pounds
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date first available:January 9, 2023
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item model number:Kraken Bond Engine Cleaner - 2 Pack
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material feature:Biodegradable Warning
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Value for Money2
Chemical Guys9.5Excellent
Chemical Guys, Signature Series Orange Degreaser Spray, Heavy Duty, 16 oz
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asin:B00DZI39UW
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product dimensions: 8.66 x 2.36 x 2.36 inches
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date first available:July 18, 2013
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item model number: CLD 201 16SW
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material feature:N/A
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3
SONAX9.4Excellent
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
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is discontinued by manufacturer: No
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manufacturer part number: 543200-755
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country of origin: Germany
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item weight: 15.9 ounces
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customer reviews:4.5 4.5 out of 5 stars 491 ratings 4.5 out of 5 stars
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4
Gunk9.1Excellent
Gunk Engine Cleaner – Foamy Spray for Engines with Plastic Covers – Expanding Foam Quickly Removes Grease, Oil, Dirt & Road Grime - Clings to Surfaces for Easy Rinse – 17 oz. (Case of 6)
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5
Zep8.9Very Good
ZEP ZUHFD18 Foam Degreaser, 18 oz
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6
Zep8.7Very Good
Zep Cherry Bomb Auto+ Degreaser & Cleaner - For Auto, Marine, RV, & Home - 1 Gallon
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7
Griot's Garage8.5Good
Griot's Garage Engine Cleaner for Car, Motorcycle, Boat, RV, and Truck, Oil, Dirt, and Grime Remover, 11158, One Gallon
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asin:B004UQQWPC
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product dimensions: 10.1 x 7.1 x 5.2 inches
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date first available:March 31, 2011
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item model number: 11158
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material feature:N/A
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8
3D8.4Good
3D Grand Blast Engine Degreaser – Heavy Duty Biodegradable Cleaner for Engines, Wheels, Exhausts & More – Fast-Acting, Non-Staining – Made in USA – 1 Gallon
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9
CRC8.3Good
CRC Heavy Duty Pro-Strength Degreaser Spray - All-Purpose - 20 oz
41% Off-
product dimensions:9.19 x 3 x 3 inches
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exterior:Machined
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item weight:1.2 pounds
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special features:Multi Purpose
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item model number:CRC 05483-1PK
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10
Red Line8.0Good
Red Line 60103 SI-1 Complete Fuel System Cleaner, Cleans and Prevents Corrosion in Fuel Systems, Cleans Injectors, Carburetors, Valve and Combustion Chamber Deposits - 15 Ounce (2 Pack)
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Package Quantity:2 Pack
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Applications:Cleans injectors, carburetors, valve and combustion chamber deposits
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Efficiency:Cleans nearly 100% efficiency in one treatment
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Product Type:Complete Fuel System Cleaner
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Bottle Size:15 Ounce
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