The Best Engine Cleaners

Engine Cleaners: Reviews, Top Picks & FAQ

πŸ₯‡ Rank #1
Liqui Moly
92 %
βœ”οΈ Highly Recommended!
πŸ₯ˆ Rank #2
Lubegard
92 %
βœ”οΈ Highly Recommended!
πŸ₯‰ Rank #3
S100
92 %
βœ”οΈ Highly Recommended!
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How we Reviewed and Ranked Engine Cleaners

To create our buying guide for the best engine cleaners of Jul 2020, we analyzed 930 user reviews across 10 products with an average user rating of 4.5 stars. Our scoring algorithms remove fake reviews, consider expert reviews on other websites and monitor search engine interest to determine our confidence in your satisfaction with your purchase.
10
Products Reviewed
930
Reviews Analyzed
4.5 ⭐
Average User Rating
$11.55
Average Price
90%
Average ProductAdvisor Score
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The Best Engine Cleaners of Jul 2020


Rank #1


βœ”οΈ We Highly Recommend This Product!
490
Reviews Analyzed
4.6 ⭐
Average User Rating
$10.55
Latest Price
92%
Our Score

A quality effective engine flushing solution from Liqui Moly.

Key Features

  • Effectively penetrates and flushes the oil system.
  • Can be used with the catalytic converters.
  • It does not affect seals and materials of the engine.
  • It can cause irritation of your skin if they come in contact.
Rank #2


βœ”οΈ We Highly Recommend This Product!
23
Reviews Analyzed
4.6 ⭐
Average User Rating
$11.05
Latest Price
92%
Our Score

This Lubeguard engine flush is designed for use before oil changes.

Key Features

  • Comes in a 15 oz bottle.
  • Designed for use before oil changes to flush out the system.
  • It removes built-up oil sludges in your engines.
  • It contains special ingredients that will not harm your engine.
Rank #3


βœ”οΈ We Highly Recommend This Product!
101
Reviews Analyzed
4.6 ⭐
Average User Rating
$8.95
Latest Price
92%
Our Score

The S100 Engine Brightener comes in a small 4.5 oz bottle with a mist spray nozzle.

Key Features

  • Comes in a small 4.5 oz container.
  • Great for restoring the fresh look of your engine.
  • Comes with an integrated misting spray nozzle.
  • Designed to be sprayed after cleaning engine.
Rank #4


βœ”οΈ We Highly Recommend This Product!
0
Reviews Analyzed
0.0 ⭐
Average User Rating
$4.99
Latest Price
90%
Our Score

The effective Gunk Engine Cleaner in a 17 oz bottle.

Key Features

  • Comes in a 17 oz bottle.
  • Removes grease and build ups from engines.
  • It does not attack the components in your engine.
  • It will not attack chromed surfaces.
Rank #5


βœ”οΈ We Highly Recommend This Product!
124
Reviews Analyzed
4.5 ⭐
Average User Rating
$9.07
Latest Price
90%
Our Score

An effective GDI engine turbo cleaner from CRC.

Key Features

  • Comes in an 11 oz container with a dip head.
  • Designed to clean GDI engines effectively.
  • It is easy to apply on your engine and works within 2 hours.
  • It will not attack your MAP sensors.
Rank #6


βœ”οΈ We Recommend This Product!
39
Reviews Analyzed
4.4 ⭐
Average User Rating
$22.64
Latest Price
88%
Our Score

An effective engine cleaning solution from Griot.

Key Features

  • Comes in a large 1-gallon container.
  • Combines with a cleaning brush to clean surfaces.
  • It attacks and loosens clusters of dirt and grease.
  • It can be used on different types of engine surfaces.
Rank #7


βœ”οΈ We Recommend This Product!
39
Reviews Analyzed
4.4 ⭐
Average User Rating
$10.99
Latest Price
88%
Our Score

An effective engine cleaner from Griots Garage that leaves your engine bay shining.

Key Features

  • Available in a 22 oz bottle with a spray head.
  • Simple spray, brush, and rinse leaves surfaces cleaner.
  • Removes dirt, grease, dust, etc' from the engine surfaces.
  • It does not attack painted parts of the engine bay.
Rank #8


βœ”οΈ We Recommend This Product!
114
Reviews Analyzed
4.4 ⭐
Average User Rating
$7.59
Latest Price
88%
Our Score

An effective quick-drying Gumout engine cleaner for small engines.

Key Features

  • Available in a 6 oz bottle.
  • Great for removing build up of deposits in small engines.
  • Effectively cleans the carburetor and choke valves.
  • Can be applied on painted and non-painted surfaces.
Rank #9


βœ”οΈ We Recommend This Product!
0
Reviews Analyzed
0.0 ⭐
Average User Rating
$28.53
Latest Price
85%
Our Score

A 1-gallon mix of engine flush from CRC.

Key Features

  • Available in 22 oz, 32 oz, and 1-gallon containers.
  • Great for flushing engines with salt contamination.
  • Dissolves the salt and creates a protective layer against corossion.
  • Made from biodegradable materials that will not damage your engine.
Rank #10


βœ”οΈ We Recommend This Product!
0
Reviews Analyzed
0.0 ⭐
Average User Rating
$9.69
Latest Price
83%
Our Score

The Sonax engine cleaner leaves your engines looking brand new.

Key Features

  • Comes in a 17 oz container with a spray head.
  • Gives the engine a new external look after use.
  • Effectively removes dirt build-up from your engines.
  • May react with polished aluminum surfaces.

Frequently Asked Questions


The average price of a engine cleaner is $11.55. They range in price from $4.99 to $28.53

The best engine cleaner for the money is the Liqui Moly 2037 Pro-Line Engine Flush. It costs $10.55 on Amazon.com

The cheapest engine cleaner is the Gunk FEB1 Foamy Engine Brite Engine Cleaner. It costs $4.99 on Amazon.com

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Compare Engine Cleaners

Our editors selected the following Engine Cleaners for consideration in our list.
Brand Product Score Price Reviews Rating Weight Dimensions
Liqui Moly Liqui Moly 2037 Pro-Line Engine Flush 92% $10.55 490 4.6⭐ 1.05 lbs 2.75 W x 2.75 L x 8 H
Lubegard Lubegard 95030 Engine Flush 92% $11.05 23 4.6⭐ 0.94 lbs 0 W x 0 L x 0 H
S100 S100 19200A Engine Brightener Aerosol 92% $8.95 101 4.6⭐ 0.40 lbs 0 W x 0 L x 0 H
Gunk Gunk FEB1 Foamy Engine Brite Engine Cleaner 90% $4.99 0 0.0⭐ 1.00 lbs 2.6 W x 2.6 L x 9.4 H
CRC CRC 05319 GDI IVD Intake Valve & Turbo Cleaner 90% $9.07 124 4.5⭐ 0.95 lbs 2.63 W x 2.63 L x 7.75 H
Griot Griots Garage 11158 Engine Cleaner 88% $22.64 39 4.4⭐ 8.70 lbs 7.1 W x 10.1 L x 5.2 H
Griots Garage Griots Garage 10959 Engine Cleaner 88% $10.99 39 4.4⭐ 0.00 lbs 2.8 W x 10 L x 2.1 H
Gumout Gumout 800002241 Small Engine Carb & Choke Cleaner 88% $7.59 114 4.4⭐ 0.38 lbs 6.5 W x 8.62 L x 7.5 H
CRC CRC SX128 Salt Terminator Engine Flush 85% $28.53 0 0.0⭐ 9.00 lbs 7 W x 5 L x 10.3 H
Sonax SONAX 543200-755 Engine Degreaser & Cleaner 83% $9.69 0 0.0⭐ 1.20 lbs 0 W x 0 L x 0 H
Brand Product Score Price Reviews Rating Weight Dimensions

Best Engine Cleaner Brands

The following brands make the best Engine Cleaners in the market.

Sources

Thank you to these resources for helping us compile this page
https://procarreviews.com/best-engine-degreaser/
The engine bay looks great when clean but they can become covered in grease, dirt, grime and debris ...
https://www.carbibles.com/best-fuel-injector-cleaners-reviewed/
Cleaning them properly keeps your MPG accurate, reduces noise in the engine block, and eliminates mo...
https://www.carbibles.com/best-engine-degreaser-reviewed/
But if you really want to help your engine to perform at it’s best over the long-term then it is a...
https://www.autozone.com/fuel-and-engine-cleaners-additives/engine-additive-and-cleaner
You want your engine to treat you well. Return the favor when you treat your engine to the best engi...
https://www.familyhandyman.com/automotive/car-maintenance/how-to-clean-an-engine/
An engine degreaser works best when the grease is warm and soft. So start the engine and let it run ...
https://www.youtube.com/watch?v=pwiTudKSX2U
A perfect opportunity to test today's latest cleaners on a 44 year old engine bay. This vehicle need...
https://www.thedrive.com/reviews/27607/best-fuel-injector-cleaners
$10-$30: This is the most common price for one bottle of the best engine cleaner additive. They are ...
https://www.popularmechanics.com/cars/how-to/a6008/how-to-clean-an-engine/
Here are step-by-step pictures of how to clean an engine. Note: Keep in mind that it is illegal to d...
https://www.autoguide.com/top-15-best-fuel-injector-cleaners
The best fuel injector cleaners can help increase your car's performance and fuel economy. We pick t...
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