What are the best engine cleaners?
Experience the real joy of a spotless engine, as countless users have shared how these cleaners effortlessly remove grime, boosting performance and longevity with ease.
Keeping your engine clean is key to its health. It helps your car run better and last longer.
Many people have seen amazing results. They have used engine cleaners to get rid of grime and grease. Engines look and run great after cleaning.
These cleaners work on many types of vehicles. They are easy to use and safe for your engine. Let’s explore the best engine cleaners.
List of Top 10 Engine Cleaners
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Chemical Guys Signature Series Orange Degreaser – Heavy Duty All Purpose Cleaner for Engines, Tires, Undercarriages, Tools and More – Professional Strength, Breaks Down Grease, Oil and Grime, 16 oz |
This product is perfect for professional detailers and car enthusiasts who need a strong cleaner to break down grease and grime fast. It also helps shop techs, garage workers, and DIYers clean engines, wheels, undercarriages, and tools with a versatile, orange-scented formula. |
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KRAKEN BOND Engine Cleaner Spray – (2×12.3 fl. Oz) Degreaser for Engine Bay, Gunk, and Motor | 2 Pack |
Kraken Bond Engine Cleaner Spray is perfect for car owners, motorcycle riders, and people who fix small engines like lawnmowers. It’s great if you need to remove burnt oil, dirt, and deposits quickly to keep your engine running smooth. |
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WD-40 Specialist Machine & Engine Degreaser Foaming Spray, 18 OZ |
This powerful degreaser is perfect for mechanics cleaning car or truck engines, farmers removing dirt from farm tools, and workers in industrial settings keeping machinery running smooth. It outperforms other cleaners in lab tests for deep, easy cleaning. |
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Zep Cherry Bomb Auto+ Degreaser & Cleaner – For Auto, Marine, RV, & Home – 32 oz. |
Perfect for vehicle lovers and DIY cleaners who want a fast, powerful clean. It is great for cars, boats, RVs, grills, appliances, and garage spaces, cutting grime quickly and leaving a bold cherry scent. |
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Red Line 60103 SI-1 Complete Fuel System Cleaner – 15 Ounce (2 Pack) |
This Red Line SI-1 Fuel System Cleaner is perfect for anyone who wants a cleaner engine. It helps your car run better and last longer. |
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3D Grand Blast Engine Degreaser – Heavy Duty Biodegradable Cleaner for Engines, Wheels, Exhausts & More – Fast-Acting, Non-Staining – Made in USA – 1 Gallon |
Tired of stubborn grease? 3D Grand Blast is perfect for car enthusiasts and professional detailers alike. It’s for anyone who wants a powerful, fast-acting degreaser that gets the job done right! |
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Griot’s Garage Engine Cleaner for Car, Motorcycle, Boat, RV, and Truck, Oil, Dirt, and Grime Remover, 11158, One Gallon |
Is your engine bay a greasy mess? This powerful cleaner is perfect for anyone who wants a sparkling clean engine without the hassle. It’s easy to use and gets the job done fast! |
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GUNK Engine Degreaser – Original Degreaser Cleaner Spray – Quickly Removes Tough Oil & Grease – Cleans Hardworking Engines – Rinses Easily with Water – 15 oz (Case of 12) |
This GUNK Engine Degreaser is perfect for car owners who want a clean engine without hard work. It’s ideal for mechanics and DIY tinkerers fixing up vehicles at home. |
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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 |
This product is perfect for car owners and DIY fans who clean engines at home. It suits pro detailers and mechanics who need a safe degreaser for tough jobs. |
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Gumout 510013W-6PK Fuel System Cleaner, 6 Pack |
Is your car over 75,000 miles? Then, Gumout Fuel System Cleaner is perfect for you. It cleans your engine and improves how it runs. |
Detailed Reviews
Our top picks for engine cleaners offer unbeatable results from trusted brands like Chemical Guys, Kraken Bond, and WD-40. We chose these based on expert tests and real user reviews. Each one cuts through grease, oil, and grime for a clean engine bay. Read on to find the perfect match for your car care needs.
1. Chemical Guys Signature Series Orange Degreaser – Heavy Duty All Purpose Cleaner for Engines, Tires, Undercarriages, Tools and More – Professional Strength, Breaks Down Grease, Oil and Grime, 16 oz
Ready to say goodbye to stubborn grease and grime? Chemical Guys Signature Series Orange Degreaser is your new best friend.
This stuff is heavy-duty. It dissolves grease and road grime fast and easy. It works on cars, trucks, motorcycles, and more!
Use it on engines, wheels, and tools. It’s easy to spray, scrub, and rinse. You’ll get fast, amazing results!
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Perfect For:
This product is perfect for professional detailers and car enthusiasts who need a strong cleaner to break down grease and grime fast. It also helps shop techs, garage workers, and DIYers clean engines, wheels, undercarriages, and tools with a versatile, orange-scented formula.
Ready to Purchase?
2. KRAKEN BOND Engine Cleaner Spray – (2×12.3 fl. Oz) Degreaser for Engine Bay, Gunk, and Motor | 2 Pack
The KRAKEN BOND Engine Cleaner Spray clears grime fast. It works on many engines.
Spray it on the dirty area, then wipe with a microfiber towel. Do not spray on a hot engine.
It is safe for electronics. It works on all engines. Your engine looks great.
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Perfect For:
Kraken Bond Engine Cleaner Spray is perfect for car owners, motorcycle riders, and people who fix small engines like lawnmowers. It’s great if you need to remove burnt oil, dirt, and deposits quickly to keep your engine running smooth.
Ready to Purchase?
3. WD-40 Specialist Machine & Engine Degreaser Foaming Spray, 18 OZ
WD-40 Specialist Machine & Engine Degreaser Foaming Spray cuts through tough oil, dirt, grime, and grease with ease. It leaves machinery and engines spotless after a quick clean.
The water-based formula has low residue and foams deep into tight spots for a full clean. Use it on auto engines, trucks, industrial gear, and farm tools.
This spray nozzle reaches up to 5 feet away and sticks firmly. Its straw gives a precise stream for control. Lab tests show it beats top rivals every time.
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Perfect For:
This powerful degreaser is perfect for mechanics cleaning car or truck engines, farmers removing dirt from farm tools, and workers in industrial settings keeping machinery running smooth. It outperforms other cleaners in lab tests for deep, easy cleaning.
Ready to Purchase?
4. Zep Cherry Bomb Auto+ Degreaser & Cleaner – For Auto, Marine, RV, & Home – 32 oz.
Zep Cherry Bomb Auto+ Degreaser delivers Powerful Degreasing that cuts grease fast. It cleans tough spots on cars, boats, RVs, and more.
It works on many surfaces, from fiberglass to steel. That comes from its Surface Versatility and Application Flexibility.
Great for cars, boats, and tools. Cleans grease fast. Leaves a bold cherry scent.
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Perfect For:
Perfect for vehicle lovers and DIY cleaners who want a fast, powerful clean. It is great for cars, boats, RVs, grills, appliances, and garage spaces, cutting grime quickly and leaving a bold cherry scent.
Ready to Purchase?
5. Red Line 60103 SI-1 Complete Fuel System Cleaner – 15 Ounce (2 Pack)
The Red Line 60103 SI-1 Complete Fuel System Cleaner cleans fuel systems. It cleans injectors, carburetors, valves and combustion chambers. It helps prevent corrosion and keeps the system clean.
A strong blend of high-temp and low-temp detergents cleans deposits. One bottle per tank gives the best results for most cars.
This is a 15 ounce bottle sold as a 2-pack. Use it at the start of a tank for easy cleaning. It helps gasoline stay stable and reduces gum and varnish buildup.
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Perfect For:
This Red Line SI-1 Fuel System Cleaner is perfect for anyone who wants a cleaner engine. It helps your car run better and last longer.
Ready to Purchase?
6. 3D Grand Blast Engine Degreaser – Heavy Duty Biodegradable Cleaner for Engines, Wheels, Exhausts & More – Fast-Acting, Non-Staining – Made in USA – 1 Gallon
The 3D Grand Blast Engine Degreaser is a heavy-duty cleaner designed to give your engine, wheels, and exhaust a powerful clean. It works fast and is non-staining, so you can get the job done quickly without worries. Whether you’re a pro or a DIY car enthusiast, this cleaner makes tough grime disappear with ease.
It is safe to use on many surfaces, including metal, plastic, paint, and rubber. You don’t need to scrub hard—Grand Blast breaks down dirt instantly. It rinses clean and leaves no residue behind. Plus, it smells low and doesn’t stain or damage your parts.
Made in the USA, this product is environmentally friendly. It combines strong cleaning power with a conscience. With over 25 years of experience, 3D creates products that deliver results and respect the environment.
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Perfect For:
Tired of stubborn grease? 3D Grand Blast is perfect for car enthusiasts and professional detailers alike. It’s for anyone who wants a powerful, fast-acting degreaser that gets the job done right!
Ready to Purchase?
7. Griot’s Garage Engine Cleaner for Car, Motorcycle, Boat, RV, and Truck, Oil, Dirt, and Grime Remover, 11158, One Gallon
Tough grime meets its match with this powerful engine cleaner. It breaks down oil, grease, and dirt fast to give your engine bay a deep clean.
Spray it on, brush lightly, and wipe away the mess in no time. It works on engines, wheel wells, and even undercarriages for a full detail.
This cleaner lifts buildup to make your engine look new. It pairs well with citrus sprays for tough spots. Get your powerplant shining today.
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Perfect For:
Is your engine bay a greasy mess? This powerful cleaner is perfect for anyone who wants a sparkling clean engine without the hassle. It’s easy to use and gets the job done fast!
Ready to Purchase?
8. GUNK Engine Degreaser – Original Degreaser Cleaner Spray – Quickly Removes Tough Oil & Grease – Cleans Hardworking Engines – Rinses Easily with Water – 15 oz (Case of 12)
Tough grease hides no more from GUNK Engine Degreaser. This spray fights hardworking engines with a strong formula. It loosens oil and builds up fast.
Apply the degreaser to dirt and grime. Watch it clean deep without much effort.
Buy a case of 12 today for deep cleaning. Keep your engine fresh and ready. This spray makes maintenance easy.
| Pros | Cons |
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Perfect For:
This GUNK Engine Degreaser is perfect for car owners who want a clean engine without hard work. It’s ideal for mechanics and DIY tinkerers fixing up vehicles at home.
Ready to Purchase?
9. 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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Perfect For:
This product is perfect for car owners and DIY fans who clean engines at home. It suits pro detailers and mechanics who need a safe degreaser for tough jobs.
Ready to Purchase?
10. Gumout 510013W-6PK Fuel System Cleaner, 6 Pack
Discover Gumout 510013W-6PK Fuel System Cleaner, a 6-pack made for engines with over 75,000 miles. It fights carbon deposits and cleans fuel injectors to boost speed and save gas. Use it often to stop new build-up and cut harmful emissions.
This cleaner is safe for your oxygen sensor and works great in turbocharged or supercharged cars. It also keeps your OEM warranty intact.
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Perfect For:
Is your car over 75,000 miles? Then, Gumout Fuel System Cleaner is perfect for you. It cleans your engine and improves how it runs.
Ready to Purchase?
Buying Guide
A clean engine runs better. It lasts longer.
Many car owners share stories of their engines looking brand new after using strong cleaners. One driver said grime vanished fast with just a spray and wipe. Another noted smoother starts after clearing grease from tight spots on their truck engine.
- Type of Cleaner: Choose between external degreasers for visible grime or fuel system cleaners for inside parts. Degreasers break down oil on surfaces, while fuel cleaners fight deposits in injectors. Pick based on your main need for cleaning.
- Effectiveness: Look for cleaners that tackle tough grease and dirt quickly. Strong formulas work fast on metal and plastic. Check reviews for how well they rinse without streaks.
- Safety: Ensure the product is safe for engines, plastics, rubbers, and electronics. Avoid spraying on hot parts. Opt for low-residue options that do not harm sensors.
- Ease of Use: Pick sprays that are simple to apply, scrub, and rinse. Some come with nozzles for hard spots. Time savers like foaming actions make jobs quick.
- Size and Packaging: Buy packs that match your cleaning needs. Larger sizes save money for big vehicles. Check for resealable bottles to keep the cleaner fresh.
- Environmental Impact: Go for biodegradable formulas that are kind to nature. Water-based options leave less waste. Choose products made with care for the planet.