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5 Best Catalytic Converter Cleaners 2023 : Reviews + Buying Guide

best catalytic converter cleaner

If you’re experiencing issues with your catalytic converter, you may wonder what the best solution is to get it running smoothly again. Do you want to avoid dealing with a sluggish and inefficient catalytic converter? If so, it may be time to try one of these top-rated catalytic converter cleaners. In this article, we’ve rounded up the 5 best catalytic converter cleaners for 2023.

These cleaners are specially formulated to remove any built-up debris or contaminants from your catalytic converter, helping to restore its performance and efficiency. So whether you’re a car enthusiast looking to improve your vehicle’s performance or just want to ensure that your car runs at its best, these cleaners are sure to get the job done.

So, without further ado, let’s dive in and look at the top 5 catalytic converter cleaners of 2023.

What’s the Selection Criteria Behind Our Top Picks

When choosing the best catalytic converter cleaner, we considered several factors to ensure the products we recommend are reliable and effective. As a result, we’ve chosen the five catalytic converter cleaners that will be the best performers in the marketplace. No problem; any catalytic converter cleaner will do a much better job cleaning your converter than just washing it with soap and water. 

However, we’ve selected the five catalytic converter cleaners that have proven their effectiveness in our tests and surveys. These are the best products for catalytic converter cleaning, and they’re sure to get your car back on the road with better emissions and performance.

Additionally, To determine the best catalytic converter cleaner, we followed a thorough research process that involved different steps—identifying the key features and characteristics to look for in a catalytic converter cleaner. These included the cleaner’s effectiveness at removing deposits and contaminants, compatibility with various catalytic converters, ease of use, and safety.

Top Five Cleaners for Catalytic Converter in 3023

AUTOPROFI OXICAT Catalytic Converter Cleaner

Cataclean Catalytic Converter Cleaner

Sledgehammer Run- Rite Kit

Sea Foam SF-16 Motor Treatment

Solder-It (CAT-1) Catalytic Converter Cleaner

AUTOPROFI OXICAT Catalytic Converter Cleaner

best catalytic converter cleaner

AUTOPROFI OXICAT is a top choice for consumers looking for the best catalytic converter cleaner. This product can clean various vehicles, including light-duty diesel engines, light-duty gasoline engines, heavy-duty gasoline engines, and heavy-duty diesel engines.

Moreover, AUTOPROFI OXICAT is the world’s most powerful catalytic converter cleaner. It has a patented Catalytic Converter Regeneration technology to clean your exhaust gas and remove all harmful emissions to reduce the harmful effects of carbon monoxide, nitrous oxide, and hydrocarbon emissions.

It’s a premium-quality catalytic converter cleaner made in the United States. This product provides you with safe and effective cleaning for your catalytic converter. It has been tested extensively by independent laboratories and has passed all of the strict testing requirements set forth by the EPA and CARB.

Further, It comes in a convenient, resealable container and a spray bottle, providing outstanding results. It’s made with 100% pure oxygen and natural, organic ingredients. It’s also free of petroleum distillates, which makes it 100% safe for your catalytic converter.

It is fast and easy to use and can be used as a cleaning kit when you’re going out. This product is good because it removes dirt, oil, grease, road grime, and more!


  • Can it help improve the performance of a vehicle’s catalytic converter.
  • Easy to use.
  • It may reduce harmful emissions from the vehicle.
  • Extend the lifespan of the catalytic converter.


  • It may be harmful if ingested or inhaled.

Cataclean Engine and Catalytic Converter Cleaner

best catalytic converter cleaner

You can depend on Cataclean Engine and Catalytic Converter Cleaner to keep your engine running like a finely tuned machine. It’s easy to use and will eliminate harmful residues and pollutants in your engine that can damage your motor over time. Plus, it’s formulated with a blend of ingredients to help remove stubborn deposits from the catalytic converter, and the concentrated formula works fast.

Not only does it remove the majority of this soiling, but it can help clean the inside of the engine bay and make maintenance easier! Available in 500ml and 1-liter containers.

Cataclean catalytic cleaner is specially formulated to safely clean and protect the internal components of your vehicle, including the engine, exhaust system, and catalytic converter. It is also designed to help reduce carbon build-up in the catalytic converter, oxygen sensors, fuel injectors, and cylinder heads, which results in improved fuel efficiency.

In addition, Cataclean has been developed using the latest science and technology, and it is a highly effective product that provides the ultimate cleaning ability. This is especially helpful if you have an older vehicle with a catalytic converter.

With over two decades of experience in engine care, Cataclean products have been developed to be the safest and most effective cleaners for your vehicle. Cataclean can be used on gasoline and diesel vehicles, with or without a catalytic converter.

Cataclean uses safe, non-hazardous ingredients that are gentle on your engine and cleans away contaminants that can damage your engine.


  • Reduce harmful emissions from the vehicle.
  • It can also clean other engine parts, such as the fuel system and combustion chamber.


  • Some users have reported a strong chemical smell when using the product.

Sledgehammer Run-Rite Kit

best catalytic converter cleaner

If you’re looking for a Catalytic Converter Cleaner, save time trying to find the right one. Just Sledge Hammer it with Run-Rite Kit. This is the best Catalytic Converter Cleaner available on the market today. Clean Catalytic Converters with ease! Sledgehammer Run-Rite Kit has everything you need to clean and protect your catalytic converter.

It helps remove harmful emissions from your engine by converting hydrocarbons into less harmful gases. However, carbon buildup can affect your vehicle’s performance and increase emissions. This can cause expensive repairs and increase your vehicle’s risk of being involved in an accident. Run-Rite Kit removes contaminants from your catalytic converter, extending the life of your engine and reducing your chances of being involved in an accident.

As well as the Run-Rite Kit contains all the parts needed to complete your job. It is a kit that will eliminate the guesswork and let you know how much cleaner your catalytic converter is. You follow the easy step-by-step instructions provided with the kit. In addition, the run-Rite Kit has been rigorously tested to ensure it will work properly.

Note: This kit is only for vehicles equipped with a catalytic converter. Do not use the Run-Rite Kit on a vehicle without a catalytic converter. This could void your warranty.

To clean your catalytic converter, we recommend ensuring the vehicle is cold and the engine is off. Then run the Run-Rite Kit through the engine three times at idle speed. Once complete, shut off the engine and wait 30 minutes before restarting.


  • Regular usage of this cleaner ensures maximum efficiency of your fuel system.
  • You can use it for any gasoline or diesel vehicle.


  • Fuel systems may require a large amount of cleaner to reach optimal results.

Sea Foam SF-16 Motor Treatment

best catalytic converter cleaner

Sea Foam SF-16 Motor Treatment provides outstanding cleaning performance while protecting your catalytic converter. It is formulated with a proprietary blend of safe, non-corrosive, biodegradable acids to dissolve contaminants like dirt, oil, carbon, and soot.

Moreover, this Sea Foam Catalytic Converter Cleaner Kit is a quick and easy way to remove carbon deposits and impurities from your vehicle’s Catalytic Converter.

No need for brushes, solvents, or cleaning chemicals. Just add water and let the power of Sea Foam wash away dirt, grime, and road grime! It also helps prevent the buildup of harmful gasses inside the Catalytic Converter and is gentle enough to be used even on delicate parts such as your exhaust pipe.

When the job is done, simply flush with fresh water, and the Sea Foam Catalytic Converter Cleaner Kit is ready to go for another clean!

You get a 1.5 liter (40 oz) bottle of Sea Foam Catalytic Converter Cleaner, plus a large brush to work the cleaning solution into the converter.

To keep your engine clean, you must use Sea Foam SF-16 catalytic converter cleaner. This will not only clean your engine but will also make your engine run better. Therefore, you should always have Sea Foam SF-16 catalytic converter cleaner.


  • Increases gas mileage.
  • Reduces toxic emissions.
  • It prevents deposits from building up.
  • It lasts for up to 5000 miles.


  • One cleaner doesn’t give an overall treatment.

Solder-It (CAT-1) Catalytic Converter Cleaner

best catalytic converter cleaner

Last but not least! Solder-it is one of the best Catalytic Converter Cleaners on the market. This product can be used in various automotive and heavy-duty applications. The perfect cleaning solution for your catalytic converter.

Unlike other cleaners, this is the ONLY catalytic converter cleaner proven effective in removing stubborn deposits in the catalytic converter and is the ONLY catalytic converter cleaner that features a patented ceramic filter to capture and remove even microscopic particulate matter.

A unique blend of organic ingredients helps keep your engine clean and smelling fresh. In addition, this catalytic converter cleaner provides decisive cleaning action to help prevent future problems and protects your engine.

All you do is spray the product onto the surface of the converter, and it removes dirt and residue quickly, keeping your car’s catalytic converter in top shape. You can also add a drop of Solder-It (CAT-1) mineral spirits to help loosen stubborn deposits.

Simply rinse with water to remove the cleaner. You’ll notice a big difference right away.

In addition, it cleans catalytic converters without harming the engine, fuel lines, or vacuum line. It will remove rust, carbon build-up, and all deposits without scratching your precious metal surface. A high-quality aluminum solution that does not contain any harmful chemicals.


  • Maximizes your gas mileage by reducing exhaust emissions and increasing engine efficiency.
  • Works with all types of engines.
  • Cheap.


  • You must clean the fuel system thoroughly for an effective result.

Best Catalytic Converter Cleaner for Your Car: Buying Guide

Here are some factors that you may want to consider:

Choose the Right Type


The very first thing you need to think about when you’re thinking about choosing a catalytic converter cleaner is what type of cleaner you need. While most car owners prefer using alcohol-based catalytic converter cleaners, foam-based catalytic converter cleaners can also be an option.

The difference between these two types of cleaners is their method of cleaning. With alcohol-based catalytic converter cleaners, you are using chemicals to break down and remove contaminants from the converter. On the other hand, foam-based catalytic converter cleaners use foam to create a chemical reaction, so they are gentler on the converter.

If you have a convertible car, you’ll want to choose a converter cleaner that is gentler on your convertible, and if you have a gas car, you’ll want to choose a converter cleaner that works to break down and remove contaminants in your car’s exhaust system.


If you are looking for a catalytic converter cleaner, make sure that the cleaner you purchase can break down and remove contaminants in your car’s exhaust system. Also, when buying a catalytic converter cleaner, you want to ensure that you get one designed to work in your car.

The primary purpose of a catalytic converter cleaner is to clean and unclog the catalytic converter, so it’s essential to choose an effective product. Look for cleaners proven to work by independent testing or customer reviews.


Make sure that the cleaner you choose is compatible with your vehicle’s make and model and the type of catalytic converter it has. For example, some cleaners may not work with specific catalytic converters or may cause damage if misused.

Look for catalytic converter cleaners compatible with your vehicle’s specific design.


Choose a cleaner that is safe to use on your vehicle. Some cleaners may contain harsh chemicals that harm your health or the environment. Look for cleaners that are biodegradable and non-toxic.

Ease of use

Consider the ease of use of the cleaner. Some cleaners may require special equipment or complicated application processes, while others can be easily applied by hand. Choose a cleaner that is easy to use and apply to your vehicle.

Cleaning Range

Find out the cleaning range of the catalytic converter cleaner that you are considering. There may need to be more than cleaning the converter with a cleaner with a poor cleaning range to clean your vehicle’s exhaust system effectively. 

Ensure you know your cleaner’s cleaning range before using it on your vehicle. For example, some catalytic converters may need two or more applications of the cleaner to eliminate the toxins in your car’s exhaust system.

Cleaning Efficiency

Look for efficient cleaners. This is important because you should want to spend less time cleaning your car. If a cleaner isn’t efficient, you may have to use more than one application to get your car back to its original appearance. A cleaner that uses fewer products will save you money, and you won’t have to worry about replenishing your supply. 

Using a car care product that uses less will save you money, and you won’t have to worry about replenishing your supply.


Consider the cost of the cleaner and compare it to your budget. Remember that there may be better options than the most expensive cleaner, and weighing the price against the other factors above is important.


In conclusion, the catalytic converter, a device at the back of your engine that helps reduce emissions, must be cleaned regularly. A dirty catalytic converter can cause severe damage to the engine, which could ultimately lead to costly repairs. Therefore, it is essential to properly maintain and clean your catalytic converter to ensure optimal performance and reduce emissions. 

The good news is that the 5 catalytic converter cleaners listed in this article are some of the best available options. Each cleaner has unique features and benefits, so choose the one that best fits your needs. With regular use, these catalytic converter cleaners can help extend the lifespan of your vehicle’s catalytic converter and keep it running efficiently.

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