Best Engine Cleaners

Looking for the best engine cleaners to keep your vehicle running smoothly? We’ve tested and compiled a list of the top 10 engine cleaners to help you find the perfect match for your needs.

Keeping your engine clean is key to its performance and longevity. A good engine cleaner cuts through grease, grime, and oil, making your engine look brand new. We’ve tested the best options to help you choose.

Professionals and DIY enthusiasts trust these cleaners for tough jobs. They work on cars, motorcycles, and even small engines. You’ll find eco-friendly and heavy-duty choices to fit your needs.

Whether you’re prepping for a show or just routine maintenance, these cleaners deliver sparkling results. Dive in to find the perfect match for your engine.

List of Top 10 Engine Cleaners

Title	Best For	Price
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	This powerful degreaser is perfect for anyone who needs to tackle tough grease, oil, and grime. It’s ideal for car enthusiasts, DIY mechanics, and professional detailers looking for a heavy-duty cleaner that works on engines, tires, tools, and more.	View on Amazon (paid link)
WD-40 Specialist Machine & Engine Degreaser Foaming Spray, 18 OZ	This powerful degreaser is perfect for anyone who needs to tackle tough oil, dirt, grime, and grease on machinery and engines. Whether you’re working on auto and truck engines, industrial machinery, or farm equipment, this spray gets the job done with its foaming formula that reaches every nook and cranny.	View on Amazon (paid link)
KRAKEN BOND Engine Cleaner Spray – (2×12.3 fl. Oz) Engine Degreaser for Engine Bay, Gunk, and Motor \| 2 Pack	This engine cleaner is perfect for anyone who wants to keep their vehicle’s engine looking clean and running smoothly. Whether you have a car, motorcycle, or lawnmower, this easy-to-use spray is safe and effective for all engine types.	View on Amazon (paid link)
Zep Cherry Bomb Auto+ Degreaser & Cleaner – For Auto, Marine, RV, & Home – 1 Gallon	This powerful cleaner is perfect for anyone who needs to tackle tough grease and grime. Whether you’re cleaning your car, boat, RV, or home, it’s easy to use and leaves a fresh cherry scent.	View on Amazon (paid link)
3D Grand Blast Engine Degreaser – Heavy Duty Biodegradable Cleaner for Engines, Wheels, Exhausts & More – Fast-Acting, Non-Staining – Made in USA – 1 Gallon	3D Grand Blast Engine Degreaser is perfect for car enthusiasts, detailers, and DIYers who want a powerful, safe, and eco-friendly cleaner. It’s ideal for anyone looking to quickly remove tough grease and grime from engines, wheels, and more without harming surfaces or the environment.	View on Amazon (paid link)
CRC 05483 Heavy Duty Pro-Strength Degreaser, 20 Wt Oz, [1 Pack]	This CRC Heavy Duty Pro-Strength Degreaser is perfect for anyone who needs a powerful yet gentle cleaner. It’s great for automotive parts, machinery, and household tools.	View on Amazon (paid link)
Griot’s Garage Engine Cleaner for Car, Motorcycle, Boat, RV, and Truck, Oil, Dirt, and Grime Remover, 11158, One Gallon	Car, motorcycle, boat, RV, and truck owners who want a sparkling clean engine bay without all the hard work will love Griot’s Garage Engine Cleaner. This powerful formula cuts through grease and grime with ease, leaving your engine looking like new.	View on Amazon (paid link)
GUNK CEB1 Engine Shine Protector and Detailer, 15 Oz	This GUNK CEB1 Engine Shine Protector and Detailer is perfect for car owners who want to keep their engines looking clean and new with minimal effort. It’s ideal for anyone who wants to easily remove dirt and grease from their engine bay and leave a satin-like finish, all with a pleasant citrus scent.	View on Amazon (paid link)
STA-BIL Fast Fix – Small Engine Treatment, Cleans Carburetors and Injectors, Fixes Rough Running Engines, Eliminates Water, Treats Up to 20 Gallons, 8oz (22304) , Green	STA-BIL Fast Fix is perfect for anyone with small engines that need a quick fix. Whether you have a lawn mower, chainsaw, or generator, this easy-to-use treatment will clean carburetors, remove water, and fix rough running engines.	View on Amazon (paid link)
Akfix A115 Engine Cleaner and Degreaser – Quick and Bright Cleaner for Car, Motorcycle, Automotive and Machine Engine – Oil Grease Remover, Degreaser Cleaner Spray \| 1 Pack, 16.9 Oz.	This engine cleaner is perfect for anyone who wants to keep their car, motorcycle, or machine engine looking clean and shiny. It’s great for removing oil, grease, and dirt with easy application and a fresh citrus scent.	View on Amazon (paid link)

Detailed Reviews

Discover the ultimate engine cleaners that will make your vehicle shine. Our expert picks tackle the toughest grease and grime with ease. Get ready to transform your engine bay with these top-performing solutions. Explore the guide and find your perfect match today!

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, 16 oz

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 Signature Series Orange Degreaser is a powerful cleaner for tough jobs. It breaks down grease, oil, and grime fast. Use it on engines, tires, tools, and more.

This heavy-duty formula works on cars, trucks, and motorcycles. It’s safe for multiple surfaces and leaves a fresh citrus scent.

Spray, scrub, and rinse for quick results. Trusted by professionals for reliable cleaning power.

Pros	Cons
Powerful grease and grime dissolver. Tackles tough jobs on many surfaces. Easy spray-on, scrub, and rinse action. Professional strength for deep cleaning. Leaves a fresh citrus scent.	Strong smell may be too intense for some users. Requires rinsing, not a wipe-and-go solution. Full-strength use might be too harsh for delicate surfaces.

Perfect For:

This powerful degreaser is perfect for anyone who needs to tackle tough grease, oil, and grime. It’s ideal for car enthusiasts, DIY mechanics, and professional detailers looking for a heavy-duty cleaner that works on engines, tires, tools, and more.

Ready to Purchase?

View Price on Amazon (paid link)

2. WD-40 Specialist Machine & Engine Degreaser Foaming Spray, 18 OZ

Tackle tough grease and grime with WD-40 Specialist Machine & Engine Degreaser Foaming Spray. This powerful cleaner cuts through oil, dirt, and built-up gunk on all your machinery and engines. Get ready for sparkling clean results!

It’s a water-based foaming formula. It penetrates deep into tight spots. Enjoy residue-free cleaning.

Perfect for car engines, industrial machines, and farm equipment, this degreaser sprays up to 5 feet for easy reach. Its included straw provides a precise stream for controlled application. In tests, it outperformed leading competitors, proving its superior cleaning power.

Pros	Cons
Powerful formula removes oil, dirt, grime, and grease. Low-residue, water-based spray for deep cleaning. Sprays up to 5 ft. with precision straw included. Outperforms competitors in independent lab tests.	Not for all surfaces, may damage sensitive materials. Requires rinsing after use, not a one-step cleaner. Strong scent might be unpleasant for some users.

Perfect For:

This powerful degreaser is perfect for anyone who needs to tackle tough oil, dirt, grime, and grease on machinery and engines. Whether you’re working on auto and truck engines, industrial machinery, or farm equipment, this spray gets the job done with its foaming formula that reaches every nook and cranny.

Ready to Purchase?

View Price on Amazon (paid link)

3. KRAKEN BOND Engine Cleaner Spray – (2×12.3 fl. Oz) Engine Degreaser for Engine Bay, Gunk, and Motor | 2 Pack

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

Kraken Bond Engine Cleaner Spray is a powerful degreaser that tackles tough grime. It’s perfect for removing burned oil and cooked-on dirt from your engine. This 2-pack ensures you have enough for multiple cleanings.

Spray it on, wipe it off—it’s that simple. Works fast on stubborn solids. Safe for all engine types, from cars to lawnmowers.

It’s eco-friendly and won’t harm your motor or electronics. Leaves your engine looking like new while protecting it from future buildup.

Pros	Cons
Removes burned oil and dirt from engine surfaces. Quick and effective cleaning with microfiber towel. Safe for all engines and electronic circuits. Eco-friendly with ozone-safe propellants.	Not for hot engines – Risk of damage if used incorrectly. Requires manual effort – Needs scrubbing for tough grime. Avoid overspray – May leave residue on unwanted areas.

Perfect For:

This engine cleaner is perfect for anyone who wants to keep their vehicle’s engine looking clean and running smoothly. Whether you have a car, motorcycle, or lawnmower, this easy-to-use spray is safe and effective for all engine types.

Ready to Purchase?

View Price on Amazon (paid link)

4. Zep Cherry Bomb Auto+ Degreaser & Cleaner – For Auto, Marine, RV, & Home – 1 Gallon

Zep Cherry Bomb Auto+ Degreaser & Cleaner is a powerful solution for tough messes. It cuts through grease, oil, and dirt fast, making cleanup easy.

This cleaner works on many surfaces, like metal, rubber, and concrete. Use it on cars, boats, grills, and more with no hassle. It’s versatile and effective for big jobs.

It’s also great for home use, like cleaning garage floors or trash cans. Plus, it leaves a bold cherry scent that freshens any space. A must-have for tough cleaning!

Pros	Cons
Powerful formula cuts through grease and grime fast. Works on multiple surfaces, from metal to concrete. Cleans cars, boats, grills, and home spaces easily. Leaves a bold cherry scent behind.	Strong scent may be overpowering for some users. Not suitable for unsealed or delicate surfaces. Requires rinsing, adding an extra cleanup step.

Perfect For:

This powerful cleaner is perfect for anyone who needs to tackle tough grease and grime. Whether you’re cleaning your car, boat, RV, or home, it’s easy to use and leaves a fresh cherry scent.

Ready to Purchase?

View Price on Amazon (paid link)

5. 3D Grand Blast Engine Degreaser – Heavy Duty Biodegradable Cleaner for Engines, Wheels, Exhausts & More – Fast-Acting, Non-Staining – Made in USA – 1 Gallon

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

3D Grand Blast Engine Degreaser is a heavy-duty cleaner made for tough jobs. It cuts through grease and grime fast, saving you time and effort.

Safe on metal, plastic, paint, and rubber, it won’t stain or damage surfaces. Use it on engines, wheels, exhausts, and more with confidence. Its low-odor formula is perfect for indoor or outdoor use.

Made in the USA, this biodegradable cleaner is eco-friendly. Car guys trust it for pro-level results, backed by 25+ years of detailing expertise.

Pros	Cons
Powerful degreaser cuts through tough grime and oil. Safe on metal, plastic, paint, and rubber surfaces. Fast-acting formula cleans instantly with no residue. Eco-friendly and biodegradable for guilt-free cleaning. Made in USA with 25+ years of detailing expertise.	Price may be higher than some basic cleaners. Gallon size might be too large for small jobs. Not for interiors, only for exterior surfaces.

Perfect For:

3D Grand Blast Engine Degreaser is perfect for car enthusiasts, detailers, and DIYers who want a powerful, safe, and eco-friendly cleaner. It’s ideal for anyone looking to quickly remove tough grease and grime from engines, wheels, and more without harming surfaces or the environment.

Ready to Purchase?

View Price on Amazon (paid link)

6. CRC 05483 Heavy Duty Pro-Strength Degreaser, 20 Wt Oz, [1 Pack]

CRC Heavy Duty Pro-Strength Degreaser is a powerful yet gentle cleaning solution. Its water-based formula tackles tough grease and grime without harsh chemicals.

This degreaser is versatile. It works on automotive parts, exteriors, interiors, and machinery. It’s safe for painted surfaces, chrome, and stainless steel.

CRC Industries, a trusted leader, offers this product. It comes in a 20 oz aerosol can, perfect for various cleaning needs.

Pros	Cons
Tough on grime, gentle on surfaces. No harsh chemical smell. Works on many parts: cars, machines, and more. Keeps things looking new.	Not for delicate surfaces, may cause damage. Aerosol format limits precise application. Bulk purchase required for best value.

Perfect For:

This CRC Heavy Duty Pro-Strength Degreaser is perfect for anyone who needs a powerful yet gentle cleaner. It’s great for automotive parts, machinery, and household tools.

Ready to Purchase?

View Price on Amazon (paid link)

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

Griot’s Garage Engine Cleaner is a powerful solution for removing oil, dirt, and grime from your vehicle’s engine bay. It works fast and easy, so you can clean without hassle.

Just spray, brush, and wipe—no heavy scrubbing needed. It’s versatile and leaves your engine looking detailer-fresh.

Pros	Cons
Powerful cleaner breaks down oil, grease, and grime fast. Easy-to-use spray, brush, and wipe—no heavy scrubbing. Versatile for engines, wheel wells, and undercarriages. Professional-grade results—detailer-fresh look every time.	Strong smell may bother some users during cleaning. Not for use on hot engines or sensitive parts. Requires additional tools like brushes for best results.

Perfect For:

Car, motorcycle, boat, RV, and truck owners who want a sparkling clean engine bay without all the hard work will love Griot’s Garage Engine Cleaner. This powerful formula cuts through grease and grime with ease, leaving your engine looking like new.

Ready to Purchase?

View Price on Amazon (paid link)

8. GUNK CEB1 Engine Shine Protector and Detailer, 15 Oz

GUNK CEB1 Engine Shine Protector and Detailer is a 2-in-1 cleaner that keeps your engine looking spotless. It comes in a 15 oz. aerosol can with a pleasant citrus scent.

It washes away dirt, grease, and grime safely. Leaves a satin-like finish and makes future cleanups easier.

Pros	Cons
Removes grease and grime from engines, homes, and garages. Safe on rubber, plastic, and paint under the hood. No silicones, non-flammable, and low VOC for cleaner use. Leaves a satin finish with a fresh citrus scent.	May leave a slight residue. Citrus scent might be too strong for some.

Perfect For:

This GUNK CEB1 Engine Shine Protector and Detailer is perfect for car owners who want to keep their engines looking clean and new with minimal effort. It’s ideal for anyone who wants to easily remove dirt and grease from their engine bay and leave a satin-like finish, all with a pleasant citrus scent.

Ready to Purchase?

View Price on Amazon (paid link)

9. STA-BIL Fast Fix – Small Engine Treatment, Cleans Carburetors and Injectors, Fixes Rough Running Engines, Eliminates Water, Treats Up to 20 Gallons, 8oz (22304) , Green

STA-BIL Fast Fix - Small Engine Treatment, Cleans Carburetors and Injectors, Fixes Rough Running Engines, Eliminates Water, Treats Up to 20 Gallons, 8oz (22304) , Green

STA-BIL Fast Fix is a powerful solution for small engine problems. It cleans carburetors and injectors, fixes rough running engines, and eliminates water from your fuel system. This easy-to-use treatment is compatible with all small engines.

The 8oz bottle treats up to 20 gallons of fuel, making it a cost-effective choice. It’s alcohol-free and works with both 2-cycle and 4-cycle engines.

Simply add STA-BIL Fast Fix to your fuel, follow the directions, and experience smoother engine performance. Your small engines will thank you, and you’ll save time and money on repairs.

Pros	Cons
Fixes rough-running engines. Eliminates water from fuel systems. Cleans carburetors and injectors. Works on all small engines.	Not instant fix, requires engine to run for 15 minutes. Limited use, treats only up to 20 gallons per bottle. May need mechanic if engine issues persist after use.

Perfect For:

STA-BIL Fast Fix is perfect for anyone with small engines that need a quick fix. Whether you have a lawn mower, chainsaw, or generator, this easy-to-use treatment will clean carburetors, remove water, and fix rough running engines.

Ready to Purchase?

View Price on Amazon (paid link)

10. Akfix A115 Engine Cleaner and Degreaser – Quick and Bright Cleaner for Car, Motorcycle, Automotive and Machine Engine – Oil Grease Remover, Degreaser Cleaner Spray | 1 Pack, 16.9 Oz.

Akfix A115 Engine Cleaner and Degreaser - Quick and Bright Cleaner for Car, Motorcycle, Automotive and Machine Engine - Oil Grease Remover, Degreaser Cleaner Spray | 1 Pack, 16.9 Oz.

Revitalize your engine with Akfix A115 Engine Cleaner and Degreaser! This powerful formula cuts through tough grease and grime. It’s perfect for cars, motorcycles, and machines.

This spray reaches every nook and cranny. It leaves your engine sparkling clean.

Enjoy a fresh citrus scent after cleaning. Akfix A115 is silicone-free for safe use.

Pros	Cons
Powerful cleaner removes oil, grease, and dirt fast. Easy to use—just spray, wipe, and rinse. Fresh citrus scent makes cleaning pleasant. Silicone-free formula works on all surfaces.	May need multiple applications for heavy grime. Rinsing might be necessary for a spotless shine.

Perfect For:

This engine cleaner is perfect for anyone who wants to keep their car, motorcycle, or machine engine looking clean and shiny. It’s great for removing oil, grease, and dirt with easy application and a fresh citrus scent.

Ready to Purchase?

View Price on Amazon (paid link)

Buying Guide

Keeping your engine clean is vital for its performance and longevity. A good engine cleaner tackles grease, grime, and oil effectively. These cleaners help your engine look brand new.

Engaging User Experience:
Imagine the satisfaction of seeing your engine bay transform from a greasy mess to a sparkling clean masterpiece. It’s like giving your car a fresh start, boosting its performance and making it a joy to drive. You’ll feel a sense of pride and accomplishment, knowing you’ve taken great care of your vehicle.

Factors to Consider When Buying:

Type of Cleaner:
There are degreasers, all-purpose cleaners, and specialty cleaners. Choose one that matches the type of grime you’re dealing with. Some are foaming, while others are sprays.
Engine Type:
Make sure the cleaner is safe for your engine. Some are designed for cars, others for motorcycles or small engines. Always check the product label for compatibility.
Surface Safety:
You want a cleaner that won’t damage your engine’s components. Look for products that are safe on metal, plastic, rubber, and paint. This ensures a thorough clean without causing harm.
Ease of Use:
Consider how easy the cleaner is to apply and remove. Some require scrubbing and rinsing, while others are spray-and-wipe. A quick and simple process saves you time and effort.
Environmental Impact:
Many cleaners are now eco-friendly and biodegradable. If this is important to you, look for products that are gentle on the environment. This allows for responsible cleaning.
Scent:
Some cleaners leave a pleasant scent, like citrus or cherry. Others have a stronger chemical smell. If you’re sensitive to odors, opt for a low-odor or scented option.
Brand Reputation:
Trusted brands often provide reliable performance. Look for cleaners from companies with a good track record in automotive care. This gives you peace of mind.
Price and Value:
Compare prices and consider the amount of product you get. Some come in multi-packs or larger containers, offering better value. Think about your budget and cleaning frequency.