Gumout Vs Seafoam: Comparison, review & guide

Regular cleaning of a car’s engine and its components is critical to keeping it functioning whenever you need it.

There are numerous local car repair shops that can quickly clean your vehicle, but they will charge you a high fee. However, if you can clean your car’s engine at home, you can save a lot of money.

Gumout Vs Seafoam

There are numerous types of fuel system cleaners on the market that can be used to clean your car’s system. However, selecting the appropriate one is critical because it will affect your car’s performance in the long term.

Gumout Fuel System Cleaner and SeaFoam Motor Treatment are both petroleum-based cleaning chemicals designed to remove any form of stubborn gum and residue from engine parts. So we’ve compared Gumout vs Seafoam below to help you decide which is the better option for you.

What is Gumout Fuel System Cleaner?

For ethanol-burning engines and fuel systems, Gumout Regane High Mileage Fuel System Cleaner is a premium cleaner. It cleans the entire fuel system, including gaskets, filters, valves, and fittings.

The Gumout Cleaner is a high-quality fuel system cleaning agent that will clean your vehicle’s air intake system to remove the harmful effects of carbon buildup on internal combustion engines. This sophisticated formula is designed to clean and protect your car’s fuel injectors, fuel lines, and intake ports.

Gumout 510023 is designed to be a highly effective and safe oil cleaner for gasoline and diesel engines, including high-mileage vehicles. Gumout 510023 will remove sludge, varnish, nitrite deposits, and other impurities from fuel injection systems while preserving the timing and mileage of your vehicle.

What is Seafoam Fuel System Cleaner?

Sea Foam SF16 Motor Treatment will rejuvenate your motor again. This versatile solution can be used on both internal and external engines and is designed to enhance performance and prevent corrosion for up to three months. The Sea Foam Motor Treatment will leave your engine clean, shiny, and running like new again.

Sea Foam SF16 Motor Treatment is formulated to clean, polish, and protect all in one quick application. It’s safe on metal, glass, and plastic (excluding engine/transmission cases), plus it contains no silicone or detergents to harm sensitive surfaces.

Its advanced formula protects metal parts from corrosion and helps improve fuel efficiency and extend engine life. You need just 4 ounces of SF16 to get a protective barrier and lubricant protection for preventing rust and extending engine life by 20% or more.

Gumout Vs Seafoam Comparison

Gumout Seafoam
Model 510023 SF16
Fuel Economy Maximum Better
Horsepower Improved Better
Usage Every 3000 Miles Every 3000 Miles
Bottle Required for Cleaning 1 or 2 Cans 1 or 2 Cans
Cleaning Applications Fuel System Cleaning, Corrosion Removing, Dust and Debris Removing, Residue Removing, and more Fuel System Cleaning, Corrosion Removing, Dust and Debris Removing, Residue Removing, and more
Suitable Engine Types Petrol and Diesel Gas and Diesel
Mix With No Mixing Until Tank is Completely Empty Gas Fuel Blend, Diesel Fuel Blend, Motor Oil, Conventional Oil, and Synthetic Oil
Cleaning / Dissolving Port, Indirect Fuel Injectors, Intake Valves, and Ports, Piston Tops, Cylinder Heads, and Combustion Chamber Injectors, Carb Jets, Passageways, Intake Valves, Pistons, and Cylinders
Works with Deposits and Prevention of Ethanol, Water, and Corrosion Crankcase Oil for Liquifying the Residues and Deposits
Technology CarbonClear PEA
Friction Less Moderate
Anti-Wear Yes Yes
Anti-Ethanol Yes Yes
Water Corrosion and Carbon Build-Up No No
Life 2 Year or More 2 Year

Similarities Between Gumout Vs Seafoam


These two engine cleaners are very similar in many ways. Both products are designed to keep your vehicle running smoothly and safely.

When driving your car for extended distances, use the Gumout and Seafoam engine cleaners. These engine cleansers can remain on the engine and its components for up to 3,000 miles. So, if you’re searching for engine cleaners that last longer, these two are excellent choices, and they’re very similar.

They will not only last for 3,000 miles, but if you do not drive much, you will need to clean your engine again after two years. After two years, both cleansers will have little effect on the engine and its components, and corrosion and rust may capture them as well.

Bottles Required for Cleaning

An advantage of these engine cleaners is that you only need one or two bottles or cans to clean your complete engine and its components.

The Gumout engine cleaning comes in a pack of six bottles or cans, with a total of six ounces of cleaner. The SeaFoam system cleaning, on the other hand, comes in a set of 12 bottles with a total of 16 fluid ounces.

Cleaning Applications

When it comes to cleaning applications, these two engine and component cleaners can clean a wide variety of engine components. Furthermore, these cleaners are not limited to engine components and can be utilized for other cleaning applications as well.

These engine cleaners, for example, can be used to clean the fuel system, remove corrosion, and remove dust and dirt. Additionally, you may cleanse the leftover residue of oil and other pollutants.


Both Gumout and Seafoam Engine Cleaner are popular choices for cleaning small engines. They both contain anti-wear additives, which reduce wear and tear between the engine components.

Both Seafoam and Gumout are anti-wear products, which means they help prevent the metal parts in your engine from wearing out more quickly than they would otherwise. Both Seafoam and Gumout also have lubricants that help lubricate the parts of your engine that are prone to wear.


An anti-ethanol additive is used to prevent ethanol damage to engines and other equipment. Ethanol is a commonly used fuel in both marine and automotive applications.

The most common similarity between Seafoam and Gumout is their anti-ethanol properties. Both Seafoam and Gumout contain an ingredient that prevents the formation of Ethanol in the engine, which means you don’t have to worry about drying out your engine by using these products.

Corrosion and Carbon Build-Up

Carbon buildup on your engine can be costly since it damages the sensors inside the engine, damages the exhaust system, causes hard starts, increases cylinder misfires, and reduces overall performance.

Furthermore, if water gets inside the engine and its components, it can cause a slew of problems, including corrosion buildup. If water gets inside the engine, it won’t take long for the entire engine to rust.

As a result, anti-corrosion and anti-carbon build-up agents are included in both the Gumout and Seafoam engine cleaners.

Both products are made of methylene chloride and are designed to be used in engines to remove corrosion, carbon buildup, and other metals.


It is critical to consider life when selecting the best Engine cleanser. The Gumout will last two years or longer, while the Seafoam will last two years or less. However, for the best engine protection and performance, both of these engine cleaners should be applied again within two years.

Difference Between Gumout Vs Seafoam

Fuel Economy

Fuel economy is a key factor when you’re trying to decide which fuel additive is best for you. Both Gumout and Seafoam are designed to improve fuel economy in your vehicle, but they do it in different ways.

Gumout uses the oxygen content of the air to lower the amount of water in your gas, while Seafoam utilizes chemicals that reduce emissions. Gumout provides maximum fuel economy in comparison to the SeaFoam engine cleaner as it uses oxygen contents.


Gumout incorporates its own brand of gasoline additive into the cleaning solution, increasing horsepower and lowering engine noise. Seafoam also acts as a fuel additive and increases engine horsepower. However, when it comes to the winner, Gumout stands out because of its superior additives and chemical blend.

Suitable Engines

When it comes to engine types, then both engine cleaners are suited for distinct engine types. The Gumout engine cleaner, for example, is suitable for both gasoline and diesel engines. Furthermore, it can be used in gas or CNG engines.

Seafoam, on the other hand, is suitable for gas and diesel engines but not for petrol engines. It’s not that you can’t use it in gasoline engines. It’s just that the manufacturers don’t suggest it.


The Gumout engine cleaner can be used without any mixing. This means that you can’t mix this engine cleaner with other fuels and blends. You need to completely empty the tank before cleaning it.

On the flip side, the Seafoam engine cleaner can be used with the gas fuel blend, diesel fuel blend, motor oil, conventional oil, or even synthetic oil, which is another advantage of this engine cleaner.

Cleaning and Dissolving

The Gumout engine cleaner can be used for cleaning and dissolving ports, Indirect Fuel Injectors, Intake Valves, Ports, Piston Tops, Cylinder Heads, and Combustion chambers.

On the other hand, the Seafoam engine cleaner can be used for cleaning and dissolving the Injectors, Carb Jets, Passageways, Intake Valves, Pistons, and Cylinders.


Both of these engine cleaners are appropriate for different types of work. Gumout engine cleaner, for example, can be used to remove deposits and prevent Ethanol, water, and rust.

On the other hand, the Seafoam is great for liquifying the residues and deposits from the components and engine when combined with crankcase oil.

Technology Used

When it comes to eliminating residue and cleaning your car’s engine, modern technology works best. The CarbonClear technology used in the Gumout engine cleaner is one of the best and most advanced in the market. On the other side, an old method, PEA technology, has been used to make SeaFoam cleaner.


While the Gumout and SeaFoam cleaners will not significantly reduce friction between engine components, when purchasing engine cleaning, you should keep this in mind as a minor consideration.

Gumout contains additives and lubricants, resulting in less friction than Seamfoam engine cleaning, which offers a medium level of friction.

Pros and Cons of Gumout Vs Seafoam

Gumout Engine Cleaner:

Pros Cons
Maximum fuel economy You cannot mix it with other oils.
Improved Horsepower
Suitable with petrol and diesel engines
Lesser friction

Seafoam Engine Cleaner:

Pros Cons
It can be easily mixed with other oils. Old PEA technology
Suitable with diesel and gas engines. Fuel economy is average.
Excellent life expectancy
Anti-wear and tear

Which is Better: Gumout Vs Seafoam?

The Gumout fuel system cleaner is the clear winner. The Gumout engine cleaner comes with a lot of advancements and improvements over Seafoam which makes it a clear winner.

For example, the Gumout engine cleaner comes with maximum fuel economy, improved horsepower, and lesser friction. Moreover, you can use this cleaner with petrol and diesel engines.

On the other side, the Seafoam engine cleaner is made with the old PEA method and offers average fuel economy.

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Frequently Asked Questions:

Can you use Gumout Cleaner with Octane Buster?

Yes, you can absolutely use Gumout cleaner with an octane buster.

Can you use Gumout in CVT transmission?

The Gumout system fuel cleaner is specially made for petrol and diesel transmissions. However, you can ask your manufacturer to use it in the CVT transmission.

Can you mix Gumout and Seafoam with each other?

Yes, you can mix them. Since both of these engine cleaners are made up of similar additives, you can mix them with each other.


In short, both Gumout and Seafoam engine cleaners are great options. If you are getting Seafoam at a lower price than Gumout, then you should definitely grab the deal.

But keeping the price aside, choosing the best, then Gumout is the better option. It is a powerful engine cleaner that will not only remove dirt but also helps you clean the engine completely.


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