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10 Best engine cleaners of 2026

Explore top picks
  • Best Choice

    1

    Chemical Guys Signature Series Orange Degreaser Spray - Heavy Duty All Purpose Cleaner for Engines, Tires, Undercarriages, Tools and More, Professional Strength, Breaks Down Grease, Oil & Grime,128 oz
    Chemical Guys
    9.8
    Exceptional

    Chemical Guys Signature Series Orange Degreaser Spray - Heavy Duty All Purpose Cleaner for Engines, Tires, Undercarriages, Tools and More, Professional Strength, Breaks Down Grease, Oil & Grime,128 oz

    • product dimensions: 11.81 x 6.42 x 4.02 inches
    • item weight: 9.1 pounds
    • special features: Concentrated
    • item model number: CLD 201SW
    • best sellers rank: 746 in Automotive See Top 100 in Automotive 1 in Automotive Engine Degreasers 15 in RV Cleaners
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  • Value for Money

    2

    P21S 13001B Auto Wash W/Sprayer, 1000 ml, White
    P21S
    9.7
    Exceptional

    P21S 13001B Auto Wash W/Sprayer, 1000 ml, White

    • is discontinued by manufacturer:‎No
    • product dimensions:‎4.5 x 4.5 x 8 inches
    • manufacturer part number:‎13001B
    • item weight:‎0.01 ounces
    • special features:‎Residue Free

  • 3

    Chemical Guys Signature Series Orange Degreaser Spray - Heavy Duty All Purpose Cleaner for Engines, Tires, Undercarriages, Tools and More, Professional Strength, Breaks Down Grease, Oil & Grime, 16 oz
    Chemical Guys
    9.6
    Exceptional

    Chemical Guys Signature Series Orange Degreaser Spray - Heavy Duty All Purpose Cleaner for Engines, Tires, Undercarriages, Tools and More, Professional Strength, Breaks Down Grease, Oil & Grime, 16 oz

    • product dimensions: 8.66 x 2.36 x 2.36 inches
    • item weight: 1.08 pounds
    • special features: Concentrated
    • item model number: CLD 201 16SW
    • best sellers rank: 672 in Automotive See Top 100 in Automotive 1 in Automotive Engine Degreasers

  • 4

    KRAKEN BOND Engine Cleaner Spray - (2x12.3 fl. Oz) Engine Degreaser for Engine Bay, Gunk, and Motor | 2 Pack
    KRAKEN BOND
    9.3
    Excellent

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

    • product dimensions:2.55 x 2.55 x 9.25 inches 1.9 Pounds
    • item weight:N/A
    • special features:N/A
    • item model number:Kraken Bond Engine Cleaner - 2 Pack
    • best sellers rank:N/A

  • 5

    Griot's Garage Engine Cleaner for Car, Motorcycle, Boat, RV, and Truck, Oil, Dirt, and Grime Remover, 11158, One Gallon
    Griot's Garage
    9.1
    Excellent

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

    • product dimensions: 10.1 x 7.1 x 5.2 inches
    • item weight: 8.64 pounds
    • special features: Residue Free
    • item model number: 11158
    • best sellers rank: 28,444 in Automotive See Top 100 in Automotive 23 in Automotive Engine Degreasers
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  • 6

    3D Grand Blast Engine Degreaser – Heavy Duty Biodegradable Cleaner for Engines, Wheels, Exhausts & More – Fast-Acting, Non-Staining – Made in USA – 1 Gallon
    3D
    9.0
    Excellent

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

  • 7

    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
    SONAX
    8.9
    Very Good

    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

    • is discontinued by manufacturer: No
    • manufacturer part number: 543200-755
    • country of origin: Germany
    • item weight: 15.9 ounces
    • customer reviews:4.5 4.5 out of 5 stars 491 ratings 4.5 out of 5 stars

  • 8

    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)
    Red Line
    8.6
    Very Good

    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)

    • Package Quantity:2 Pack
    • Applications:Cleans injectors, carburetors, valve and combustion chamber deposits
    • Efficiency:Cleans nearly 100% efficiency in one treatment
    • Product Type:Complete Fuel System Cleaner
    • Bottle Size:15 Ounce

  • 9

    WD-40 Specialist Machine & Engine Degreaser Foaming Spray, 18 OZ [4-Pack]
    WD-40 Specialist
    8.5
    Good

    WD-40 Specialist Machine & Engine Degreaser Foaming Spray, 18 OZ [4-Pack]

    • product dimensions:2.7 x 2.7 x 10.2 inches 1.13 Pounds
    • item weight:N/A
    • special features:N/A
    • item model number:300070
    • best sellers rank: 3 in Automotive Engine Degreasers

  • 10

    P21S 13001R Auto Wash Refill, 1000 ml, Clear, 33.8 Fl Oz (Pack of 1)
    P21S
    8.3
    Good

    P21S 13001R Auto Wash Refill, 1000 ml, Clear, 33.8 Fl Oz (Pack of 1)

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