Best Automotive Engine Cleaner Sprays in 2026

Cures Hesitation, Stalls, Pings, Flat Spots And Rough Idle Due To Carbon Buildup

Use To Store And Fog 2-Cycle And 4-Cycle Engines

Helps Pass Emission Tests; Epa Registered

PROFESSIONAL STRENGTH - Signature Series Orange Degreaser is a professional-strength citrus degreaser designed to safely remove the toughest dirt, grime, and grease that comes concentrated for flexible cleaning power.

VERSATILE IN ANY SITUATION - Orange Degreaser is blended with powerful citrus extracts and hyper surfactants to easily cut through and separate grease and oil from any surface.

SUPER CONCENTRATED - Orange Degreaser ships at full strength. Without added water to dilute the product, users are free to tailor their own cleaning solution to take on whatever messes they are dealing with.

Sold as 1 Each.

Professional-grade cleaner, degreaser and disinfectant in one! Removes all types of dirt, grease, grime and stains.

Disinfects against viruses in 30 seconds.

PROFESSIONAL STRENGTH - Signature Series Orange Degreaser is a professional-strength citrus degreaser designed to safely remove the toughest dirt, grime, and grease that comes concentrated for flexible cleaning power.

VERSATILE IN ANY SITUATION - Orange Degreaser is blended with powerful citrus extracts and hyper surfactants to easily cut through and separate grease and oil from any surface.

SUPER CONCENTRATED - Orange Degreaser ships at full strength. Without added water to dilute the product, users are free to tailor their own cleaning solution to take on whatever messes they are dealing with.

GUNK is a local family owned company based out of Charlotte, NC. For more than 75 years, GUNK products, developed by the people who use them, has earned the trust of hard-working tradesment and the active DIYer through consistent, superior performance and a commitment to innovation.

Best selling engine degreaser

Quickly and easily removes the toughest grease, dirt and grime

Zero VOC formula

Readily biodegradable

Rinses clean with water

Spray on Engine Cleaner and agitate the area with a detail brush to remove grease, oil, dirt, and grime.

Loosens and breaks up grease, grime, and engine gunk

Easy spray-on, agitate, and wipe clean application

Our #1 best selling formula

Professional strength heavy-duty degreaser that quickly blasts through tough grease and grime

Nonflammable, non-acidic, biodegradable formula that contains no harsh petroleum solvents, fumes or unpleasant odors

USDA approved and VOC compliant in all 50 states

This item is designed for removing grease and grime from engines transmissions and parts

Suitable for spraying a wide range of oils cleaning agents and rustproofing liquids

Sprays kerosene, soap & other solvents under high pressure.

Contains high-performance detergents and emulsifiers

Easily penetrates road grime, grease, and oil

Cleans entire engine compartment including paint, rubber, and plastic

Water-free formula

Highly penetrant

Removes superficial rust, oil, grease, soot

Engine Degreaser quickly lifts grease & grime off engines for cooler more efficient running

Easy to use

spray on & rinse off

ECO-FRIENDLY DEGREASER: Formulated for ultimate biodegradability, our green, non -toxic degreaser is an all purpose grease cleaner made from the most advanced bio-based ingredients.  It does not contain the following ingredients: Sodium hydroxide, Glycol Ethers, Phosphates, Sulfates, Phthalates, Parabens or Ammonia

HIGH PERFORMANCE: Ideal for metal cleaning, nonporous surfaces and general hard-to-clean greasy applications, DEWALT Degreaser is suitable for household, professional and recreational use. Excellent for automotive, marine and industrial applications where tough grease and grime need to be removed safely.

PREMIUM QUALITY: This high performance cleaner is non-corrosive and free of toxic petrochemicals but tough enough to clean industrial equipment, tools, and machine parts.

Product Type: Auto Accessory

Country Of Origin: United States

Item Package Weight: 1.2 Pounds

TOUGH ON GRIME: Green Hell cuts through grease, grime, and oil with an easy-to-use spray bottle that’s great for even the toughest of jobs. Professional strength degreaser for detailing and general engine maintenance. 

DEGREASER: Safe for commercial or home use and can be used to clean engines, machinery, tools, floors, and more. Discover the power of Green Hell.

STRONG FORMULA: Our fast-acting formula not only loosens and cleans dirt, grease, and grime from the surface, it also restores shine without damaging your engine. 

Powerful cleaner removes grease, grime and dirt

Degreaser is safe for most under-the-hood rubber and plastic parts

Fast acting formula removes grit and grime quickly