20 Best Catalytic Convertor Cleaner [2024]

Are you looking for the best Catalytic Convertor Cleaner? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling Catalytic Convertor Cleaner.

We Recommended:

# Preview Product
1 AUTOPROFI OXICAT Oxygen Sensor & Catalytic Converter Cleaner AUTOPROFI OXICAT Oxygen Sensor & Catalytic Converter Cleaner
2 ClearLover Auto Parts Engine Boost Up Cleaner Catalytic Converter Cleaner Fuel System Treatment... ClearLover Auto Parts Engine Boost Up Cleaner Catalytic Converter Cleaner Fuel System Treatment...
3 Clean Engine Care Oxygen Sensor Cleaner Made in Germany Efficient Catalytic Converter Cleaner... Clean Engine Care Oxygen Sensor Cleaner Made in Germany Efficient Catalytic Converter Cleaner...
4 DURA LUBE Severe Catalytic and Exhaust Treatment Emissions Test Catalytic Cleaner 16 fl. oz, 1 Pack,... DURA LUBE Severe Catalytic and Exhaust Treatment Emissions Test Catalytic Cleaner 16 fl. oz, 1...
5 Solder-It (CAT-1) Catalytic Converter Cleaner - 16 oz. Solder-It (CAT-1) Catalytic Converter Cleaner - 16 oz.
6 Hi-Gear HG3270s EZ Emissions Pass and Catalytic Converter Cleaner - 15 fl. oz. Hi-Gear HG3270s EZ Emissions Pass and Catalytic Converter Cleaner - 15 fl. oz.
7 Catalytic Converter Cleaner for Car Engine Cleaner Powerful Booster Cleaner Oxygen Sensor The Fuel... Catalytic Converter Cleaner for Car Engine Cleaner Powerful Booster Cleaner Oxygen Sensor The...
8 DURA LUBE Diesel DPF and Catalytic Treatment, Cleans Diesel Particulate Filter and Catalytic... DURA LUBE Diesel DPF and Catalytic Treatment, Cleans Diesel Particulate Filter and Catalytic...
9 OXICAT- Oxygen Sensor & Catalytic Converter Cleaner-Engine, Fuel & Exhaust- Pack of 2 OXICAT- Oxygen Sensor & Catalytic Converter Cleaner-Engine, Fuel & Exhaust- Pack of 2
10 Boost-Up Vehicle Engine Catalytic Converter Cleaner, Fuel and Exhaust System Cleaner, Removal Carbon... Boost-Up Vehicle Engine Catalytic Converter Cleaner, Fuel and Exhaust System Cleaner, Removal...
11 MotorPower Care Catalytic Converter Cleaner Catalyst Cleaner MotorPower Care Catalytic Converter Cleaner Catalyst Cleaner
12 Catalytic Converter Cleaner for Car Engine Booster Oxygen Sensor The Fuel Injectors Cylinder Heads... Catalytic Converter Cleaner for Car Engine Booster Oxygen Sensor The Fuel Injectors Cylinder...
13 Cataclean 120007 Complete Engine, Fuel and Exhaust System Cleaner, 473 Milliliter Cataclean 120007 Complete Engine, Fuel and Exhaust System Cleaner, 473 Milliliter
14 Cataclean 120019 Cataclean - The Original Liquid Science - Complete Engine, Fuel & Exhaust System... Cataclean 120019 Cataclean - The Original Liquid Science - Complete Engine, Fuel & Exhaust System...
15 Motorkote Catalytic and Exhaust Treatment Emissions Control Catalytic Cleaner, MK-10351, 16 fl. oz,... Motorkote Catalytic and Exhaust Treatment Emissions Control Catalytic Cleaner, MK-10351, 16 fl....
16 Walker Exhaust Ultra EPA 50498 Direct Fit Catalytic Converter Walker Exhaust Ultra EPA 50498 Direct Fit Catalytic Converter
17 Walker Exhaust Ultra EPA 50490 Direct Fit Catalytic Converter Walker Exhaust Ultra EPA 50490 Direct Fit Catalytic Converter
18 Walker Exhaust Ultra EPA 16337 Direct Fit Catalytic Converter Walker Exhaust Ultra EPA 16337 Direct Fit Catalytic Converter
19 Walker Exhaust Ultra EPA 15820 Direct Fit Catalytic Converter Walker Exhaust Ultra EPA 15820 Direct Fit Catalytic Converter
20 MagnaFlow Universal Catalytic Converter HM Grade Federal/EPA Compliant 99009HM - Stainless Steel 3in... MagnaFlow Universal Catalytic Converter HM Grade Federal/EPA Compliant 99009HM - Stainless Steel...
SaleBestseller No. 1
AUTOPROFI OXICAT Oxygen Sensor & Catalytic Converter Cleaner
  • Safe and effective for all petrol (gasoline)and diesel vehicles
  • Engineered to clean the entire exhaust system WITH REGULAR USE.
  • OXICAT is activated when the catalytic converter reaches its required working temperature.
  • Proven safe and effective by the Pros, now available in North America. TUV certified, made in Germany
Bestseller No. 2
ClearLover Auto Parts Engine Boost Up Cleaner Catalytic Converter Cleaner Fuel System Treatment...
  • 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,...
  • 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...
Bestseller No. 3
Clean Engine Care Oxygen Sensor Cleaner Made in Germany Efficient Catalytic Converter Cleaner...
  • Clean Your Exhaust System: when regularly used, our emissions system cleaner will offer an effective cleanup to your oxygen sensor, catalytic...
  • Optimal Lambda Sensor Operation: the high-performance oxygen sensor cleaner will remove the buildup dirt, soot, and carbon in your vehicle's o2 sensor...
  • Unclog Your Catalytic Converter: the emission cleaner can also be used as a catalytic converter cleaner to eliminate any deposits the cat converter...
  • Suitable For Gasoline And Diesel Engines: our versatile valve cleaner is designed to provide efficient oxygen sensor and catalytic converter cleaning...
  • Easy-To-Use O2 Sensor Cleaner: to add the emission cleaner to your vehicle, you simply have to pour it into the fuel tank. Our oxygen sensor cleaner...
SaleBestseller No. 4
DURA LUBE Severe Catalytic and Exhaust Treatment Emissions Test Catalytic Cleaner 16 fl. oz, 1 Pack,...
  • ADD WHEN CHECK ENGINE LIGHT or ERROR LIGHT IS ACTIVATED
  • USE BEFORE OR PRIOR TO REPLACING CATALYTIC CONVERTER
  • PROTECTS CATALYTIC SYSTEM FROM OIL POISONS AND MAINTAINS CATALYTIC EFFICIENCY
  • Reduces phosphorus and zinc retention levels at catalyst inlet
  • HELPS LOWER TAIL PIPE EMISSIONS
Bestseller No. 5
Solder-It (CAT-1) Catalytic Converter Cleaner - 16 oz.
  • Helps eliminate "rotten egg" odor
  • May help in passing emissions control test!
  • Helps clean oxygen sensor
  • Extends time between tune-ups
Bestseller No. 6
Hi-Gear HG3270s EZ Emissions Pass and Catalytic Converter Cleaner - 15 fl. oz.
  • Cleans fuel system, injectors, combustion chamber, pistons and valves
  • Restores lost horsepower and increases fuel efficiency
  • Prevents rotten egg smell
  • Reduces toxic gases and CO2 emissions
  • Removes carbon deposits
Bestseller No. 7
Catalytic Converter Cleaner for Car Engine Cleaner Powerful Booster Cleaner Oxygen Sensor The Fuel...
  • 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, it also gets rid of the icky smell developed by your car overtime.
  • PROTECT ENGINE: Proper fuel and exhaust flow will keep that engine running cleaner, smoother, and better, which will also cut down on maintenance...
  • CLEAN THE ENTIRE SYSTEM: it can also clean other parts like the oxygen sensor, the fuel injectors, cylinder heads, and others.
  • SAFE for gasoline, diesel, hybrid, and flex-fuel vehicles; does not alter fuel. Not for use in 2-stroke or oil/gas mix engines.
SaleBestseller No. 8
DURA LUBE Diesel DPF and Catalytic Treatment, Cleans Diesel Particulate Filter and Catalytic...
  • 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. 9
OXICAT- Oxygen Sensor & Catalytic Converter Cleaner-Engine, Fuel & Exhaust- Pack of 2
  • OXICAT cleans the entire exhaust system, dissolving soot and carbon deposits throughout
  • Used regularly, OXICAT is ideal to help prevent the buildup of noxious residue that can cause a vehicle to fail required emissions tests
  • OXICAT is safe to use in petrol (gasoline), diesel and even hybrid-fuel vehicles
  • Specifically engineered to exceed the most recent environmental standards
  • Protects both your vehicle and the environment
Bestseller No. 11
MotorPower Care Catalytic Converter Cleaner Catalyst Cleaner
  • Clean & protect catalytic converter material, Prevents or eliminates problems that appear on OBD II related to catalytic converter. high quality...
  • Suitable For Gasoline And Hybrid Engines, removes buildup dirt, soot, and carbon.
  • Cleaner helps to maintain proper operation to: turbocharger, O2 sensor, & catalytic converter.
  • Using it regularly every 5000 miles will extend catalytic converter life span.
  • Easy-To-Use: simply pour it into the fuel tank using the nozzel that comes with it, then perform a 30min drive on open roads.
Bestseller No. 12
Catalytic Converter Cleaner for Car Engine Booster Oxygen Sensor The Fuel Injectors Cylinder Heads...
  • Delivery time:8-15 days.
  • CLEAN THE ENTIRE SYSTEM: it can also clean other parts like the oxygen sensor, the fuel injectors, cylinder heads, and others.
  • PROTECT ENGINE: Proper fuel and exhaust flow will keep that engine running cleaner, smoother, and better, which will also cut down on maintenance...
  • LOWER EMISSION LEVELS: can lower your total hydrocarbon emissions by up to 50 percent.
  • SAFE for gasoline, diesel, hybrid, and flex-fuel vehicles; does not alter fuel. Not for use in 2-stroke or oil/gas mix engines.
Bestseller No. 13
Cataclean 120007 Complete Engine, Fuel and Exhaust System Cleaner, 473 Milliliter
  • 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
Bestseller No. 14
Cataclean 120019 Cataclean - The Original Liquid Science - Complete Engine, Fuel & Exhaust System...
  • Restores Catalytic Converter, Oxygen Sensors, Fuel Injectors and cylinder heads
  • EPA Approved
  • Easy to use -Simply pop, pour and go every 3 months
  • Original long nose bottle which is capless gas tank compatible
  • Does not alter fuel composition and is safe for gasoline, diesel and Hybrid engines
SaleBestseller No. 15
Motorkote Catalytic and Exhaust Treatment Emissions Control Catalytic Cleaner, MK-10351, 16 fl. oz,...
  • Use when warning light is activated
  • Use before or prior to replacing catalytic converter
  • Protects catalytic system from oil poisons
  • Reduces phosphorus and zinc retention levels at catalyst inlet
  • Helps clean oxygen ( O2 ) sensor(s), lowers tail pipe emissions, works great for P0420 Catalytic Converter Code
Bestseller No. 16
Walker Exhaust Ultra EPA 50498 Direct Fit Catalytic Converter
  • EPA COMPLIANT -- For use on OBDII vehicles, 1996 & newer. Not legal for sale or use in California & Colorado. Legal in New York & Maine on EPA Federal...
  • DIRECT-FIT DESIGN -- Direct-fit bolt-on replacement solution with OE-style hangers, brackets, routings and heat shields for easy installation that...
  • KEEPS CHECK ENGINE LIGHT OFF FOR EMISSIONS CODES -- OE-style high-technology washcoat and optimal precious metal load delivers required reduction in...
  • STRONG AND DURABLE -- Features thick OE-style flanges, hangers and brackets for strength and durability
  • OE-STYLE DESIGN -- Features aluminized heat shields when originally equipped, to match OE design, protecting the undercarriage from heat created by...
Bestseller No. 17
Walker Exhaust Ultra EPA 50490 Direct Fit Catalytic Converter
  • EPA COMPLIANT -- For use on OBDII vehicles, 1996 and newer. Not legal for sale or use in CA & CO. Legal in NY & ME on EPA Federal Emission Equipped...
  • DIRECT-FIT DESIGN -- Direct-fit bolt-on replacement solution with OE-style hangers, brackets, routings and heat shields for easy installation that...
  • KEEPS CHECK ENGINE LIGHT OFF FOR EMISSIONS CODES -- OE-style high-technology washcoat and optimal precious metal load delivers required reduction in...
  • STRONG AND DURABLE -- Features thick OE-style flanges, hangers and brackets for strength and durability
  • OE-STYLE DESIGN -- Features aluminized heat shields when originally equipped, to match OE design, protecting the undercarriage from heat created by...
Bestseller No. 18
Walker Exhaust Ultra EPA 16337 Direct Fit Catalytic Converter
  • EPA COMPLIANT -- For use on OBDII vehicles, 1996 and newer. Not legal for sale or use in CA & CO. Legal in NY & ME on EPA Federal Emission Equipped...
  • DIRECT-FIT DESIGN -- Direct-fit bolt-on replacement solution with OE-style hangers, brackets, routings and heat shields for easy installation that...
  • KEEPS CHECK ENGINE LIGHT OFF FOR EMISSIONS CODES -- OE-style high-technology washcoat and optimal precious metal load delivers required reduction in...
  • STRONG AND DURABLE -- Features thick OE-style flanges, hangers and brackets for strength and durability
  • OE-STYLE DESIGN -- Features aluminized heat shields when originally equipped, to match OE design, protecting the undercarriage from heat created by...
Bestseller No. 19
Walker Exhaust Ultra EPA 15820 Direct Fit Catalytic Converter
  • EPA COMPLIANT -- For use on OBDII vehicles, 1996 and newer. Not legal for sale or use in CA & CO. Legal in NY & ME on EPA Federal Emission Equipped...
  • DIRECT-FIT DESIGN -- Direct-fit bolt-on replacement solution with OE-style hangers, brackets, routings and heat shields for easy installation that...
  • KEEPS CHECK ENGINE LIGHT OFF FOR EMISSIONS CODES -- OE-style high-technology washcoat and optimal precious metal load delivers required reduction in...
  • STRONG AND DURABLE -- Features thick OE-style flanges, hangers and brackets for strength and durability
  • OE-STYLE DESIGN -- Features aluminized heat shields when originally equipped, to match OE design, protecting the undercarriage from heat created by...
SaleBestseller No. 20
MagnaFlow Universal Catalytic Converter HM Grade Federal/EPA Compliant 99009HM - Stainless Steel 3in...
  • EPA OBDII COMPLIANT - NOT for use in California or Colorado. This catalytic converter is designed to meet or exceed Federal EPA (Environmental...
  • KEEP THE CHECK ENGINE LIGHT OFF - This MagnaFlow HM Grade catalytic converter has been engineered to satisfy the vehicle computer control monitoring...
  • STAINLESS-STEEL CONSTRUCTION - The utilization of highly corrosion resistant stainless-steel construction, free-flowing mandrel bent pipes and...
  • 5 YEAR / 50,000-MILE LIMITED WARRANTY - Worry-free ownership is made possible thanks to the 5 year/50,000-mile construction and 25,000-mile emissions...
  • UNIVERSAL FIT - MagnaFlow recommends professional installation for the universal configuration of this catalytic converter as cutting, fabrication...

Having trouble finding a great Catalytic Convertor Cleaner?

This problem is well understood by us because we have gone through the entire Catalytic Convertor Cleaner research process ourselves, which is why we have put together a comprehensive list of the best Catalytic Convertor Cleaners available in the market today.

After hours of searching and using all the models on the market, we have found the best Catalytic Convertor Cleaner for 2023. See our ranking below!

How Do You Buy The Best Catalytic Convertor Cleaner?

Do you get stressed out thinking about shopping for a great Catalytic Convertor Cleaner? Do doubts keep creeping into your mind?

We understand, because we’ve already gone through the whole process of researching Catalytic Convertor Cleaner, which is why we have assembled a comprehensive list of the greatest Catalytic Convertor Cleaner available in the current market. We’ve also come up with a list of questions that you probably have yourself.

John Harvards has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for Catalytic Convertor Cleaner that you consider buying. Your questions might include the following:

  • Is it worth buying an Catalytic Convertor Cleaner?
  • What benefits are there with buying an Catalytic Convertor Cleaner?
  • What factors deserve consideration when shopping for an effective Catalytic Convertor Cleaner?
  • Why is it crucial to invest in any Catalytic Convertor Cleaner, much less the best one?
  • Which Catalytic Convertor Cleaner are good in the current market?
  • Where can you find information like this about Catalytic Convertor Cleaner?

We’re convinced that you likely have far more questions than just these regarding Catalytic Convertor Cleaner, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for Catalytic Convertor Cleaner, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible Catalytic Convertor Cleaner. Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an Catalytic Convertor Cleaner buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available Catalytic Convertor Cleaner currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of Catalytic Convertor Cleaner has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an Catalytic Convertor Cleaner?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your Catalytic Convertor Cleaner.
  5. Customer Ratings: Number ratings grade Catalytic Convertor Cleaner objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Catalytic Convertor Cleaner.
  7. Product Quality: You don’t always get what you pay for with an Catalytic Convertor Cleaner, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an Catalytic Convertor Cleaner is should be an indication of how long it will work out for you.

John Harvards always remembers that maintaining Catalytic Convertor Cleaner information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding Catalytic Convertor Cleaner is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly!

Related Post:

FAQ:

Q: Which catalytic converter is best?

A: MagnaFlow 91005. Made by one of the most popular aftermarket exhaust manufacturers,the MagnaFlow 91005 (about$73) is an affordable and effective choice for residents of 47 states. Walker 93251. Though it is slightly more costly than many others,the Walker 93251 (around$85) has some particularly convenient touches. FlowMaster Universal. …

Q: What is the bad catalytic converter symptoms?

A: Rattling noises from under the vehicle are another symptom of a bad or failing catalytic converter. If a catalytic converter becomes old or damaged internally from excessively rich fuel mixtures, the catalyst coated honeycomb meshes on the inside of the converter can collapse or break apart, causing a rattle.

Q: How to clean a clogged catalytic converter?

A: Get Oxicat Catalytic converter cleaner. The product that you can use is the OXICAT – Oxygen Sensor&Catalytic Converter Cleaner . … Pour the Catalytic converter cleaner into the fuel tank. Check the cleaner’s manual and pour in the exact amount of cleaner into the fuel mentioned in the manual. Take your car for a drive. Drive your car a couple of miles to see if your car runs better than before. …

Q: Is there a way to unclog catalytic converter?

A: Methods to unclog a catalytic converter “Italian Tune-Up” method. People apply this method to solve a few automotive problems which are from lack of heat. … Fuels and Fuel Additives. You can take advantage of a useful fuel or fuel additive to unclog a catalytic converter. … Engine. The issue of a catalytic converter can come from engine-related problems. … Exhaust Problem. …