Best Diesel Catalytic Converter Cleaner for 2023: Our Top 10 Picks

Sometimes it might be quite difficult to find the best diesel catalytic converter cleaner. 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 diesel catalytic converter cleaner buying guide.

We Recommend:

The 10 Top Diesel Catalytic Converter Cleaner Reviews:

Bestseller No. 1
DURA LUBE Diesel DPF and Catalytic Treatment, Cleans Diesel Particulate Filter and Catalytic Converter, 16-Ounce,Black Labeled Bottle,HL-402509-06
  • REDUCES CLOGGING. Lowers soot forming particulate emissions
  • LESS SOOT BUILD-UP. Reduces soot build-up inside of catalytic converter
  • LESS REGENE CYCLES. Helps for fewer regenerate burn cycles
  • EXHAUST SYSTEM LIFE INCREASED. Restores and helps maintain emissions and exhaust efficiency
  • SAVES DIESEL FUEL AND DEF FLUID. Improves engine performance and fuel efficiency
Bestseller No. 2
ClearLover Auto Parts Engine Boost Up Cleaner Catalytic Converter Cleaner Fuel System Treatment Additive for Gasoline and Diesel Car (3Pcs)
  • Portable size, 1 bottle at a time. There is no need to worry about leakage or evaporation. Very convenient, add a bottle every time you refuel.
  • Makes engines start easily and run smoothly; improves fuel economy and reduces emissions
  • Cleans valves and injectors of carbon deposits, gums and varnish for maximum performance, increased fuel efficiency and reduced emissions
  • Ultimate Cleaning Solution: No more exhaust system problem, the cleaner can also clean other parts like the oxygen sensor, the fuel injectors, cylinder heads, and others.
  • It is suggested to judge the effect after using several bottles according to the mileage of the car. This product promises a refund if there is no effect.
Bestseller No. 3
Rislone DPF Clean Diesel DPF, Exhaust & Emissions System Cleaner, 1 Pack
  • More Complete DPF Regenerations
  • Turns Off Check Engine Light
  • Clears P242F & Other OBD Codes
  • Restores DPF & Catalytic Converter
  • Unclogs Blocked DPF
Bestseller No. 4
Catalytic Converter Cleaner New Technology Very Effective kit
  • the most effective and inexpensive cleaning solution
  • Clean and protect catalytic converter material
  • Not required disassembling, easy to use
  • Clean your vehicle catalytic converter instead of replacing it
  • Will fix P0420 & P0430 codes if Catalyst not broken
Bestseller No. 5
Rislone Cat Complete Fuel, Exhaust and Emissions System Cleaner, Pack of 1
  • Increase power, performance, mileage and save gas: Cleans by not only the entire emissions and exhaust system, but the fuel system as well. Works with gasoline, ethanol and hybrid vehicles.
  • Save on expensive fuel system and emission control repairs: Regular use every 5,000 miles tunes-up the fuel, emissions and exhaust systems keeping them clean and preventing the CEL light from returning.
  • Will not void manufacturer’s new vehicle warranty: Specifically designed and safe to use on vehicles which have oxygen sensors and catalytic converters. Exceeds EPA compliance performance criteria.
  • Works on all fuel injected, direct injected, carbureted, turbo, GTDI, Ecotec and EcoBoost engines.
  • Clean fuel and exhaust systems reduce excess exhaust hydrocarbon, CO and NOX emissions and saves gas.
Bestseller No. 6
PLAZRU Auto Parts Catalytic Converter Cleaner Engine Boost Up Cleaner Fuel System Treatment Additive for Gasoline & Diesel Car Truck
  • ✔Better engine performance: help clean the fuel injection system, as well as the cylinders, improving overall performance.
  • ✔Reduce fuel consumption & bad smell: While cutting down on fuel consumption, the cleaner also gets rid of the icky smell developed by your car overtime.
  • ✔Clean the entire system: The cleaner can also clean other parts like the oxygen sensor, the fuel injectors, cylinder heads, and others.
  • ✔Easy Cleaning: Simply pour it in your fuel tank, no need to remove the catalytic converter. Safe for gasoline, diesel, hybrid, and flex-fuel vehicles; does not alter fuel. Not for use in 2-stroke or oil/gas mix engines.
  • ✔Packaging improvements: We use a double layer of inflatable film to wrap the product, significantly reducing breakage and leakage, allowing buyers to buy qualified products at once.
SaleBestseller No. 7
Motorkote Catalytic and Exhaust Cleaner Treatment Fuel Additive, 16 fl. oz. (PN: MK-10351)
  • PERFORMANCE. Add to your vehicle anytime to help fuel systems and engine performance.
  • RECOMMENDATION. Use before replacing catalytic converter.
  • SHIELD. Protects catalytic system from harmful oil and maintains catalytic efficiency.
  • REDUCTION. Reduces phosphorus and zinc retention levels at catalyst inlet.
  • SAVING. Help increase fuel economy, fit type: universal fit work on all engines.
Bestseller No. 8
Liqui Moly Truck Series Complete Diesel System Cleaner
  • Removes deposits from entire fuel system
  • Eliminates diesel knocking
  • Suitable for all diesel engines, including common rail
  • Boosts the cetane number
  • Reduces pollutant emissions
SaleBestseller No. 9
Dura Lube Severe Catalytic and Exhaust Treatment Cleaner Fuel Additive, 16 fl. oz, (PN: HL-402409)
  • PERFORMANCE. Add to your vehicle anytime to help fuel systems and engine performance.
  • RECOMMENDATION. Use before replacing catalytic converter.
  • SHIELD. Protects catalytic system from harmful oil and maintains catalytic efficiency.
  • REDUCTION. Reduces phosphorus and zinc retention levels at catalyst inlet.
  • SAVING. Help increase fuel economy, fit type: universal fit work on all engines.
Bestseller No. 10
Cataclean 120007 Complete Engine, Fuel and Exhaust System Cleaner, 473 Milliliter (Packaging May Vary)
  • Using Cataclean can lower your total hydrocarbon emissions by up to 50 percent
  • Reduces carbon build-up in catalytic converter, oxygen sensors, fuel injectors and cylinder heads which results in improved fuel efficiency
  • Improves overall vehicle performance-including driveability issues such as power reduction, hesitation, rough idle, hard starts and lost fuel economy
  • Safe for gasoline, diesel, hybrid and flex-fuel vehicles; does not alter fuel
  • Not for use in 2-stroke or oil / gas mix engines

Last update on 2023-05-28 / Affiliate links / Images from Amazon Product Advertising API

How to find the best diesel catalytic converter cleaner?

Here, we’ll be going over a number of factors that you can use to ensure that you’re purchasing the best diesel catalytic converter cleaner 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 diesel catalytic converter cleaner 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 diesel catalytic converter cleaner 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 diesel catalytic converter cleaner to find what you’re looking for:

Brand

In some cases, the brand of diesel catalytic converter cleaner 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 diesel catalytic converter cleaner 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 diesel catalytic converter cleaner 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 diesel catalytic converter cleaner 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 diesel catalytic converter cleaner 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.