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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, 16 oz
    Chemical Guys
    9.8
    Exceptional

    Chemical Guys, Signature Series Orange Degreaser Spray, Heavy Duty, 16 oz

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  • Value for Money

    2

    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 2)
    Gunk
    9.5
    Excellent

    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 2)

  • 3

    Zep Cherry Bomb Auto+ Degreaser & Cleaner - For Auto, Marine, RV, & Home - 32 oz.
    Zep
    9.4
    Excellent

    Zep Cherry Bomb Auto+ Degreaser & Cleaner - For Auto, Marine, RV, & Home - 32 oz.

  • 4

    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)
    Gunk
    9.1
    Excellent

    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)

  • 5

    Chemical Guys, Citrus Degreaser Aerosol, Industrial Engine Cleaner, 18 oz
    Chemical Guys
    9.0
    Excellent

    Chemical Guys, Citrus Degreaser Aerosol, Industrial Engine Cleaner, 18 oz

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  • 6

    Griot's Garage Engine Cleaner for Car, Motorcycle, Boat, RV, and Truck, Oil, Dirt, and Grime Remover, 11158, One Gallon
    Griot's Garage
    8.8
    Very Good

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

    • asin:B004UQQWPC
    • best sellers rank: 28,444 in Automotive See Top 100 in Automotive 23 in Automotive Engine Degreasers
    • brand: Griot's Garage
    • country of origin: USA
    • customer reviews:4.5 4.5 out of 5 stars 250 ratings 4.5 out of 5 stars

  • 7

    ZEP ZUHFD18 Foam Degreaser, 18 oz
    Zep
    8.6
    Very Good

    ZEP ZUHFD18 Foam Degreaser, 18 oz

  • 8

    Zep Cherry Bomb Auto+ Degreaser & Cleaner - For Auto, Marine, RV, & Home - 1 Gallon
    Zep
    8.4
    Good

    Zep Cherry Bomb Auto+ Degreaser & Cleaner - For Auto, Marine, RV, & Home - 1 Gallon

  • 9

    SONAX Heavy Duty Engine Degreaser, Automotive Engine Bay Cleaner, 16.9 oz
    SONAX
    8.3
    Good

    SONAX Heavy Duty Engine Degreaser, Automotive Engine Bay Cleaner, 16.9 oz

    • asin:B00OA1QJZU
    • best sellers rank: 18,037 in Automotive See Top 100 in Automotive 5 in Automotive Engine Cleaner Sprays 21 in Automotive Engine Degreasers
    • brand: Sonax
    • country of origin: Germany
    • customer reviews:4.5 4.5 out of 5 stars 491 ratings 4.5 out of 5 stars

  • 10

    CRC Heavy Duty Pro-Strength Degreaser Spray - All-Purpose - 20 oz
    CRC
    8.2
    Good

    CRC Heavy Duty Pro-Strength Degreaser Spray - All-Purpose - 20 oz

    • asin:B0CRJRX7FY
    • best sellers rank:#2,625 in Industrial & Scientific (See Top 100 in Industrial & Scientific) #1 in Commercial Degreasers
    • brand:‎CRC
    • customer reviews:4.6 4.6 out of 5 stars 226 ratings 4.6 out of 5 stars
    • date first available:January 4, 2024