Best Engine Flush Additive in 2022: Our Top 10 Picks

Sometimes it might be quite difficult to find the best engine flush additive. With every niche market offering so many different products, it makes sense that this is the case.

Unfortunately, this very fact can make it incredibly difficult to find the item that best suits your needs, which is why we’ve put together this engine flush additive buying guide.

Our 10 Best Picks:

Our Favorite Engine Flush Additive Reviews:

Bestseller No. 1
Liqui Moly 2037 Pro-Line Engine Flush
  • Easy way to clean and flush the oil systems of gasoline and diesel engines
  • Gentle and rapid cleaning
  • Neutral to seals and other materials installed in the engine
  • Compatible with catalytic converters
  • Simple to use
Bestseller No. 2
XADO Engine Oil System Cleaner with Anti-Carbon Effect - Removes Contamination & Engine Sludge - ATOMEX Total Flush Revitalizant (Bottle, 250ml)
  • Safely and carefully cleans engine oil system from all kinds of deposits, sludge and gunk; ensures engine's technical purity
  • Removes carbon and restores mobility of stuck piston rings.
  • Universal for all engine types including turbo-supercharged ones.
  • Due to revitalizant provides creation of engine protection reserve.
  • Cleans crankcase ventilation system. Eliminates effect of hydraulic lash adjusters sealing
Bestseller No. 3
Liqui Moly (20002) Cera Tec Friction Modifier - 300 ml
  • Mixable with all commercially available motor oils
  • Stable even under high thermal and dynamic permanent loads
  • No deposits and absolutely compatible with all commonly used filter systems
  • Resists extremely high and low temperatures
Bestseller No. 4
Lubegard 98901 Engine Flush and Protect Pack, (2) 15 Ounce Bottles
  • Safely cleans accumulated amounts of varnish, sludge and by-products of combustion
  • For use in all diesel and gasoline engines
  • Prepares engine for fresh oil
  • Protects and extends oil life by 30 percent
  • Optimizes engine horsepower and performance
Bestseller No. 5
Bg Products MOA & EPR Motor Oil Additive Lubrication Supplement Engine Restore
  • Latest production date stamped on bottom of can
  • BG EPR Engine Performance Restoration effectively softens, emulsifies and dissolves even the most stubborn fuel gums that clog rings. works to soften and dissolve hard-to-remove deposits from piston rings in as little as 10 minutes. Improves compression and reduces oil dilution through blow-by, cleaning micro passageways to maintain the critical hydraulic function. Restores fuel economy and power, harmless to seals and other engine components.
  • Latest production date stamped on bottom of can
  • Latest production date stamped on bottom of can
Bestseller No. 6
Throttle Muscle TM5646 - Engine Scrub Super Concentrated Engine Flush Oil System Cleaner Heavy Duty Engine and Crankcase Cleaner 16 Oz
  • Helps remove sludge and harmful engine deposits
  • Restores engine cleanliness in preparation for new motor oil
  • Excellent for use after an extended drain interval or unknown service history
  • No extra oil needed during flush (up to six quart capacity)
  • Do not rev engine during service - run for no more than 5 minutes
SaleBestseller No. 8
Lubegard 95030 Engine Flush, 15 oz.
  • Use before changing oil in gas or diesel engines
  • No harmful solvents to damage seals or gaskets
  • Safely remove accumulated amounts of varnish, sludge and by-products of combustion
  • Premium synthetic blend that contains special detergents and dispersants
  • Prepares engine for fresh oil
Bestseller No. 9
Liqui Moly Engine Flush Shooter 80ML
  • Cleaning fluid for clearing the engine interior of troublesome deposits.
  • Dissolves sludge and lacquer formers.
  • Flushes out and cleans the oil circuits of motorcycles with four-stroke gasoline engines.
  • The frequency of use is dependent on the degree of particulate intrusion of the oil circuit and on the quality of the oil used.
SaleBestseller No. 10
Liqui Moly 2009 Anti-Friction Oil Treatment - 300 ml
  • Motor oil additive - Liqui Moly MoS2 anti-friction (300 ml. Can)
  • Forms High load-bearing film of lubricant on all friction surfaces
  • You will be surprised at how much better your engine sounds and how controlled it will be even at very high RPM
  • Flash point: 181.0 degrees_celsius

Last update on 2022-12-04 / Affiliate links / Images from Amazon Product Advertising API

How to find the best engine flush additive?

Here, we’ll be going over a number of factors that you can use to ensure that you’re purchasing the best engine flush additive for you.

Regardless of which type of item you’re looking to buy, chances are that there are existing buying guides on the internet, all of which aim to give you good engine flush additive recommendations.

Despite these recommendations, however, it’s always a good idea to do your own research. In addition to this research, asking yourself the following questions is also super helpful:

  • What features does the engine flush additive need to have to be perfect for my needs?
  • What is my budget?
  • Do I need to purchase a certain brand?

Once you’ve answered these questions and have a good idea of what you’re looking for and the buying process becomes much easier. Keep in mind that when looking for the best product, there’s no need to rush. In fact, very rarely are the ideal products found by choosing the first one you see or by basing your decisions on only one factor. Take your time and enjoy the process!

Now, with the answers to the previous questions in mind, we urge you to use our upcoming buying guide for engine flush additive to find what you’re looking for:

Brand

In some cases, the brand of engine flush additive is very important. For example, if you’re looking for an item that works in tandem with another, you might very well need both products to be the same brand. If this is the case, it’s vital to pay attention to this factor, as choosing the wrong product can mean the difference between wasting your money and buying a great product that functions as it should.

Features

The features in any given engine flush additive are important because they can dictate which version of an item you need and how much money you need to spend. Consider all the key features that you want your item to have and don’t settle for anything that doesn’t check at least ¾ of your boxes.

Reviews

Customer reviews about engine flush additive are crucial – especially when you’re buying a product that costs a lot of money or serves a big importance. Luckily, most products can be found online, which means that it’s common for there to be scores of customer reviews from those who have already purchased any given product.

Pay attention to these reviews. Take note of the pros and cons that they mention, and factor these into your big decision. In some cases, you’ll be forced to sacrifice one con in order to gain a particular pro, but being aware of the potential con is going to be beneficial in either case.

Quality

Of course, quality is key. You don’t want to purchase a low-quality product. If you do, you run the risk of your item breaking, not working properly, or otherwise proving to be very disappointing, as well as a waste of money.

You can compare engine flush additive quality by researching what your potential purchases are made from, contrasting the individual items against each other to discern which one is made of the best materials.

Warranty

Warranty isn’t always going to be important, but it definitely can be. This is especially true if the item in question is tech-related or expensive. A good warranty will be valid for an extended time after purchase and cover a variety of problems ranging from item defects to random accidents, water damage, and other miscellaneous events that could ruin your product.

Conclusion

The quest to find the best engine flush additive can be daunting – but it doesn’t have to be. It can be made much easier by asking yourself a few simple questions and then thinking critically about the items you want to buy. Consider their features, quality, brand, warranty, and customer reviews and you’re more likely to make a great purchase.